date in the tank then char far

Similar Questions

• How to transfer data from the column of CHAR type to column?

  I have a column with data type varchar2 contains data in format: dd/mm/yyyy hh24:mm:ss for example 24/11/2013-08:15:22

  I want to execute an update statement in order to put these data in a date column how?

  Note: I use Oracle DB 10 g

  Update

  Set = to_date (, "dd/mm/yyyy hh24:mi:ss");

• How to keep summers jsf pages correctly updated to account for changes to data in the database?

  This is a case of common use for web applications:

  User open A (i.e. a jsf page) of a web application, keep open for a period of time and do some browsing or editing on this page.

  During this time, someone others or modified events of the data in the database, then:

  Scenario A:

  1. the user should be able to see the evolution of the data in the above open jsf page when page navigate to other records.

  or when the page is refreshed by refreshing the web browser (reload the page) or by pressing a button on the page manually.

  Scenario b:

  2. the page should be able to be updated automatically to reflect the new changed data in the backend database.

  -This means that the user has no need to run the refresh action intentionly/manually to get the new data.

  Here's a possible implementation are provided in subsection 12.1 JDEV/ADF for above use cases:

  1.kdario: tips to know how to refresh your data

  Re: Field Image cannot refresh when you move between records in a jsf page

  In my opinion, the solution of kdario is a little bit complicated, is there an easy approach?

  and kdario says:

  'normal way' for update page is generally very bad for applications based on JSF/ADF.

  Is there more evidence or reference documents to support above sayings?

  2 to implement scenario B, which is recommended methods?

  Is the Active Data one approach good?

  If there are active - as tech batteries was adopted for web applications on the internet (which will have more agreement than in the intranet user), would there be possible serious performance problems?

  Thanks in advance.

  In fact, I suggested to the position 3 solutions (and option c) Notifications of changes to database is the most complicated).

  Also, here is solution d) in pageDef, select iterator and ownership of Cache set to false results

  'normal way' for update page is generally very bad for applications based on JSF/ADF.

  Is there more evidence or reference documents to support above sayings?

  Well, when you use the "back/refresh" browser button, this will retrieve the Forms page cache and skip the controller of the ADF.

  You can use google to do this, for example:

  https://groups.Google.com/Forum/#! subject/adf-methodology/CKoDdhLdrYE

  ADF developers world: how to avoid the mistake Houston-35007?

  Andrejus Baranovskis Blog: How to manage the Web browser buttons in the ADF/WebCenter Applications

  Dario

• pl/sql block, reading the reading of data from the table to a single point in time

  I'm trying to figure out if several cursors in a PL/SQL block are executed inside a single Point in time, and so don't see no updates of paintings by other processes or procedures running at the same time.
  
  The reason why I ask is I have a block of code as an initial extraction of data, with some Sanity Check before the code runs. However, if another procedure might modify the data between the two, then the mental health check is not valid. So I am essentially trying to know if there is consistency read in a PL/SQL, preventing updates to other processes to be seen.
  
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  Google SET Transaction.

  or

  Follow this link

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• -Error ORA-00932: inconsistent data types: expected TANK got the NUMBER

  Here is my report query...
  

  select 
  *
  from   DW_RFA_JOBDATA
  where  FINISH_TIME >= :P1_START_DATE 
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       AND RFA_FLAG = (CASE :P1_JOB_CLASSIFICATION WHEN '0' THEN 'LSF'
                                    WHEN '1' THEN 'NON-LSF' 
                                    ELSE RFA_FLAG END)

  The column data type RFA_FLAG is NUMBER(*,0)... I'm view RSA and RSA - not the area of selection, but I get the error ORA-00932: inconsistent data types: expected TANK got the NUMBER >
  
  I have created a static LOV with LST display 0 return
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  Could any body please help me in truble shooting error? How to to convert the data type to number, I have no privileges to make changes to the table...

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• Store data from the Serial Port in the buffer and then take action?

  Hello! Everyone,

  I'm new to LabVIEW and I take assistance from various videos and stuffs available online to get started with LabVIEW.

  But I have a duty, therefore needing help.

  initially I see some of the tutorial videos and learned about the LabVIEW interface, and does a little project to communicate with the Port series (receiving and sending data).

  Happens to my task.

  My LabVIEW application will send a few State request packets on my device or control and based on the response packet that I have to display values.

  The Structure of package is as

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  In C language, I read the data from the Serial Port, and based on the length, I conclude that I got the full package or not, and then by recalculating the checksum value, the integrity of the package is verified and then based on that Op-Code has been sent will be decided.

  (I'm dealing with hexadecimal data)

  But how can I do this in LabVIEW.
  A tutorial or any referece will be useful for me.

  1. I suggest that you learn to use Shift Registers instead of local and global variables.  They are much more efficient (memory and execution speed) and make it much easier to read the schema.

  2. you don't need this inside the loop property node.  Is there a way to configure a Serial Port to turn off the stop character.

  3. you don't need to wait for playback VISA will limit the rate of loop if no data is coming.

  4. Once you have the length, you simply read the rest of the entire message and process it at a time.  This will make things a LOT faster.

  5. you should really do this enum a def type so that you can ensure that all your enum constants have the same values.  If you need to add a State later, simply update your enum in the same place then.

  

• Save the data on the button and then save the data on a spreadsheet on another key.

  Hello

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  You want to build a table of data.
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• The distribution of applications and data between the disk SSD and HDD

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• How to get to the settings, DATA from the old HARD drive to new Tecra A10

  My 'old' TECRA A2"refused to fly (fell on the desk)... Screen and grapfic external duty!
  But the HARD drive is still OK and works via an external USB HD adapter to my other PC.

  Can read all the files in the root directory,
  * can NOT read only password protected those *:
  means all files * DOCS and SETTINGS below *.

  My password old route was:
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  Bought a new A10 TECTRA...

  HOW can I get the form parameters of DATA etc., my old HDD via USB in my new TECRA A10?

  ANY Suggestion?

  Hello!

  As far as I know that you must add the Group everyone in the folder options. Right-click on the folder-online security-online advanced-online (effective) permissions
  There, you must add the user to the other laptop or for example all users. Then it should work.
  I had this problem for 1 or 2 years and it worked for me.

  A friend of mine told me that he was able to copy the data to a Linux system. You can start form a Linux boot CD/DVD, and then copy the data on the other PC.

  Welcome them

• Writing data to the file when the trigger is activated?

  Hi all

  I'm quite new in lab mode, and I find it difficult to find a solution to this problem quite simple. I installed a gauge on a tank, and each time, he reached the limit of overflow of the VI should write all data to a file. I implemented my data tables, but I am struggling to find a way to have the VI writing the data when the specific trigger (the tank overflow) occurs. I'm sure the solution is quite simple, but was faced with this during a few days now so I decided to ask for help.

  See you soon,.

  Gasim

  Gasim wrote:

  Seems to work, but the program stops when the trigger activates and asks you a file name to write on and then reset the whole process. Is that anyway so he can write the data automatically, without any interruptions?

  Yes, simply son by the name of desired file in VI of file write. If a cable it won't entice.

• Smart way to save large amounts of data using the circular buffer

  Hello everyone,

  I am currently enter LabView that I develop a measurement of five-channel system. Each "channel" will provide up to two digital inputs, up to three analog inputs of CSR (sampling frequency will be around 4 k to 10 k each channel) and up to five analog inputs for thermocouple (sampling frequency will be lower than 100 s/s). According to the determined user events (such as sudden speed fall) the system should save a file of PDM that contains one row for each data channel, store values n seconds before the impact that happened and with a specified user (for example 10 seconds before the fall of rotation speed, then with a length of 10 minutes).

  My question is how to manage these rather huge amounts of data in an intelligent way and how to get the case of error on the hard disk without loss of samples and dumping of huge amounts of data on the disc when recording the signals when there is no impact. I thought about the following:

  -use a single producer to only acquire the constant and high speed data and write data in the queues

  -use consumers loop to process packets of signals when they become available and to identify impacts and save data on impact is triggered

  -use the third loop with the structure of the event to give the possibility to control the VI without having to interrogate the front panel controls each time

  -use some kind of memory circular buffer in the loop of consumer to store a certain number of data that can be written to the hard disk.

  I hope this is the right way to do it so far.

  Now, I thought about three ways to design the circular data buffer:

  -l' use of RAM as a buffer (files or waiting tables with a limited number of registrations), what is written on disk in one step when you are finished while the rest of the program and DAQ should always be active

  -broadcast directly to hard disk using the advanced features of PDM, and re-setting the Position to write of PDM markers go back to the first entry when a specific amount of data entry was written.

  -disseminate all data on hard drive using PDM streaming, file sharing at a certain time and deleting files TDMS containing no abnormalities later when running directly.

  Regarding the first possibility, I fear that there will be problems with a Crescent quickly the tables/queues, and especially when it comes to backup data from RAM to disk, my program would be stuck for once writes data only on the disk and thus losing the samples in the DAQ loop which I want to continue without interruption.

  Regarding the latter, I meet lot with PDM, data gets easily damaged and I certainly don't know if the PDM Set write next Position is adapted to my needs (I need to adjust the positions for (3analog + 2ctr + 5thermo) * 5channels = line of 50 data more timestamp in the worst case!). I'm afraid also the hard drive won't be able to write fast enough to stream all the data at the same time in the worst case... ?

  Regarding the third option, I fear that classify PDM and open a new TDMS file to continue recording will be fast enough to not lose data packets.

  What are your thoughts here? Is there anyone who has already dealt with similar tasks? Does anyone know some raw criteria on the amount of data may be tempted to spread at an average speed of disk at the same time?

  Thank you very much

  OK, I'm reaching back four years when I've implemented this system, so patient with me.

  We will look at has a trigger and wanting to capture samples before the trigger N and M samples after the outbreak.  The scheme is somewhat complicated, because the goal is not to "Miss" samples.  We came up with this several years ago and it seems to work - there may be an easier way to do it, but never mind.

  We have created two queues - one samples of "Pre-event" line of fixed length N and a queue for event of unlimited size.  We use a design of producer/consumer, with State Machines running each loop.  Without worrying about naming the States, let me describe how each of the works.

  The producer begins in its state of "Pre Trigger", using Lossy Enqueue to place data in the prior event queue.  If the trigger does not occur during this State, we're staying for the following example.  There are a few details I am forget how do ensure us that the prior event queue is full, but skip that for now.  At some point, relaxation tilt us the State. p - event.  Here we queue in the queue for event, count the number of items we enqueue.  When we get to M, we switch of States in the State of pre-event.

  On the consumer side we start in one State 'pending', where we just ignore the two queues.  At some point, the trigger occurs, and we pass the consumer as a pre-event.  It is responsible for the queue (and dealing with) N elements in the queue of pre-event, then manipulate the M the following in the event queue for.  [Hmm - I don't remember how we knew what had finished the event queue for - we count m, or did you we wait until the queue was empty and the producer was again in the State of pre-event?].

  There are a few 'holes' in this simple explanation, that which some, I think we filled.  For example, what happens when the triggers are too close together?  A way to handle this is to not allow a relaxation to be processed as long as the prior event queue is full.

  Bob Schor

• How do you use the freqout as the sample clock to write data on the of 6224 PCI

  Using PCI-6224, I try currently to export data using the freqout as a reference clock sample to a digital output channel. I plug the scope to see the clock on the freqout PIN. However, the data seem to be missing. How can I output the data correctly using the reference for timing? What am I missing that connects the two signals together? Any help would be greatly appreciated. I am writing this code in MS VS C++ and here's what I've done so far:

          int32       error=0;
          TaskHandle  taskHandle=0;
          TaskHandle  taskHandleFRQ=0;
          char        errBuff[2048]={'\0'};
      uInt8       data[8]={1,0,1,1,1,0,1,0};
  
      /*********************************************/
      // DAQmx Configure Clock
      /*********************************************/
      DAQmxErrChk (DAQmxCreateTask("",&taskHandleFRQ));
      DAQmxErrChk (DAQmxCreateCOPulseChanFreq(taskHandleFRQ,"Dev2/freqout","",DAQmx_Val_Hz/*Units*/,DAQmx_Val_Low/*IdleState*/,0/*Delay*/,10000/*Freq*/,0.5/*DutyCycle*/));
      DAQmxErrChk (DAQmxCfgImplicitTiming(taskHandleFRQ,DAQmx_Val_ContSamps,8));
  
      /*********************************************/
      // DAQmx Configure Digital Output
      /*********************************************/
      DAQmxErrChk (DAQmxCreateTask("",&taskHandle));
      DAQmxErrChk (DAQmxCreateDOChan(taskHandle,"Dev2/port0/line0","",DAQmx_Val_ChanPerLine));
      DAQmxErrChk (DAQmxCfgSampClkTiming(taskHandle,"/Dev2/PFI14",10000,DAQmx_Val_Rising,DAQmx_Val_FiniteSamps,8));
  
      /*********************************************/
      // DAQmx Write Code
      /*********************************************/
      DAQmxErrChk (DAQmxWriteDigitalLines(taskHandle,8,0,10.0,DAQmx_Val_GroupByChannel,data,NULL,NULL));
  
      /*********************************************/
      // DAQmx Start Code
      /*********************************************/
      DAQmxErrChk (DAQmxStartTask(taskHandleFRQ));
      DAQmxErrChk (DAQmxStartTask(taskHandle));
  

  I think that the original code was operational. However, given that the data transmission has been set to finished, I had a hard time to visualize the data on my scope. By changing the value of DAQmx_Val_FiniteSamps to DAQmx_Val_ContSamps, I could easily see the data.

  My mistake. I'm still learning here. Thanks for the time.

• How to display data on the screen and save the data in a file at the same time?

  The code can display acceleration on the screen of the playbook.

  But, when fprintf (f, "X (m/s2), Accel Accel Y (m/s2), Accel Z (m/s2) \n" ") runs, debug displays no source available.

  ??

  Does anyone know how to solve the problem, which writes data to a file?

  The code is below.

  /*
  * Copyright (c) 2011 Research In Motion Limited.
  *
  Licensed under the Apache License, Version 2.0 (the "license");
  * You may not use this file except in compliance with the license.
  * You can get a copy of the license at
  *
  www.Apache.org/licenses/license-2.0
  *
  * Unless required by the applicable law or agreement written, software
  * distributed under the license is distributed on an "AS IS" BASIS.
  * WITHOUT WARRANTIES OR CONDITIONS of ANY KIND, express or implied.
  * See the license for the specific language governing permissions and
  * limitations under the license.
  */

  #include
  #include
  #include
  #include
  #include
  #include
  #include
  #include
  #include
  #include

  /**
  The milliseconds between the accelerometer readings. It's the same thing
  * rate in which the accelerometer data will be updated
  * material. The update of material rate is below to help
  * accelerometer_set_update_frequency (FREQ_40_HZ).
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  public static const int ACCELEROMETER_MAX_POLL_INTERVAL = 25;

  public static screen_context_t screen_ctx;
  public static screen_window_t screen_win;
  dialog_instance_t main_dialog = 0;

  paused int = 0;

  The forces of the accelerometer
  float force_x, force_y, force_z;

  file elements
  int _logcounter = 0;
  FullName Char [256];
  FILE * f;

  /**
  * Use the PID to set the id of Group window.
  */
  public static char
  get_window_group_id()
  {
  public static char s_window_group_id [16] = "";
  If (s_window_group_id [0] == '\0') {}
  snprintf (s_window_group_id, sizeof (s_window_group_id), "%d", getpid());
  }
  Return s_window_group_id;
  }

  /**
  * Set up a basic screen, so that the browser will be
  * Send window state events when the State of the window changes.
  *
  * @return @c EXIT_SUCCESS or EXIT_FAILURE @c
  */
  public static int
  setup_screen()
  {
  If (screen_create_context (& screen_ctx, SCREEN_APPLICATION_CONTEXT)! = 0) {}
  Return EXIT_FAILURE;
  }
  If (screen_create_window (& screen_win, screen_ctx)! = 0) {}
  screen_destroy_context (screen_ctx);
  Return EXIT_FAILURE;
  }
  use of int = SCREEN_USAGE_NATIVE;
  If (screen_set_window_property_iv (screen_win, SCREEN_PROPERTY_USAGE, & use)! = 0) goto fail;
  If (screen_create_window_buffers (screen_win, 1)! = 0) goto fail;
  If (screen_create_window_group (screen_win, get_window_group_id())! = 0) goto fail;
  buff screen_buffer_t;
  If (screen_get_window_property_pv (screen_win, SCREEN_PROPERTY_RENDER_BUFFERS, (void *) & buff)! = 0) goto fail;
  buffer_size int [2];
  If (screen_get_buffer_property_iv (buff, SCREEN_PROPERTY_BUFFER_SIZE, buffer_size)! = 0) goto fail;
  int attributes [1] = {SCREEN_BLIT_END};
  If (screen_fill (screen_ctx, chamois, attributes)! = 0) goto fail;
  int dirty_rects [4] = {0, 0, buffer_size [0], buffer_size [1]};
  If (screen_post_window (screen_win, buff, 1, (const int *) dirty_rects, 0)! = 0) goto fail;
  Return EXIT_SUCCESS;
  in case of failure:
  screen_destroy_window (screen_win);
  screen_destroy_context (screen_ctx);
  Return EXIT_FAILURE;
  }

  /**
  * Rotates the screen at the specified angle.
  *
  @param angle angle to rotate the screen.  Must be 0, 90, 180 or 270.
  *
  * @return @c EXIT_SUCCESS on success, to another @c EXIT_FAILURE
  */
  public static int
  rotate_screen (int angle)
  {
  If ((angle! = 0) & (angle! = 90) & (angle! = 180) & (angle! = 270)) {}
  fprintf (stderr, "Invalid Angle\n");
  Return EXIT_FAILURE;
  }
  int rc;
  int rotation;
  RC = screen_get_window_property_iv (screen_win, SCREEN_PROPERTY_ROTATION, & rotation);
  If (rc! = 0) {}
  fprintf (stderr, "error getting the window of the screen rotation: %d\n", rc);
  Return EXIT_FAILURE;
  }
  int size [2];
  RC = screen_get_window_property_iv (screen_win, SCREEN_PROPERTY_BUFFER_SIZE, size);
  If (rc! = 0) {}
  fprintf (stderr, "error getting size memory buffer window screen: %d\n", rc);
  Return EXIT_FAILURE;
  }
  int temp;
  switch (angle - rotation) {}
  case - 270:
  case - 90:
  decision 90:
  case 270:
  Temp = size [0];
  size [0] = size [1];
  size [1] = temp;
  break;
  by default:
  break;
  }
  RC = screen_set_window_property_iv (screen_win, SCREEN_PROPERTY_ROTATION, &angle);)
  If (rc! = 0) {}
  fprintf (stderr, "screen rotation window for parameter error: %d\n", rc);
  Return EXIT_FAILURE;
  }
  RC = screen_set_window_property_iv (screen_win, SCREEN_PROPERTY_SIZE, size);
  If (rc! = 0) {}
  fprintf (stderr, "error creating window screen size: %d\n", rc);
  Return EXIT_FAILURE;
  }
  RC = screen_set_window_property_iv (screen_win, SCREEN_PROPERTY_SOURCE_SIZE, size);
  If (rc! = 0) {}
  fprintf (stderr, "error creating window screen size: %d\n", rc);
  Return EXIT_FAILURE;
  }
  RC = screen_set_window_property_iv (screen_win, SCREEN_PROPERTY_BUFFER_SIZE, size);
  If (rc! = 0) {}
  fprintf (stderr, "error creating window buffer size of the screen: %d\n", rc);
  Return EXIT_FAILURE;
  }
  Return EXIT_SUCCESS;
  }

  /**
  To manage an event of navigator.
  *
  * @return @c the value true if the application should shut down, another fake.
  */
  public static bool
  handle_navigator_event(bps_event_t *Event)
  {
  bool should_exit = false;
  switch (bps_event_get_code (event)) {}
  case NAVIGATOR_EXIT:
  should_exit = true;
  break;
  case NAVIGATOR_ORIENTATION_CHECK:
  navigator_orientation_check_response (event, true);
  break;
  case NAVIGATOR_ORIENTATION:
  {
  int angle = navigator_event_get_orientation_angle (event);
  If (rotate_screen (angle) == EXIT_FAILURE) {}
  should_exit = true;
  }
  navigator_done_orientation (Event);
  break;
  }
  }
  Return should_exit;
  }
  /**
  * Display an alert dialog box that contains the location data.
  */
  public static void
  show_main_dialog()
  {
  If {(main_dialog)
  return;
  }
  dialog_create_alert(&main_dialog);
  dialog_set_alert_message_text (main_dialog, "Acceleration to first fix");
  dialog_set_size (main_dialog, DIALOG_SIZE_FULL);
  dialog_set_group_id (main_dialog, get_window_group_id());
  dialog_set_cancel_required (main_dialog, true);
  dialog_show (main_dialog);
  }

  /**
  * Displays geolocation data in the main dialog box.
  */
  public static void
  display_acceleration_data (float force_x, float force_y, float force_z) {}
  char buf [1024];
  snprintf (buf, sizeof buf,
  "\tX: m\n % 7.3.f.
  "\tY: m\n % 7.3.f.
  "\tZ: m\n % 7.3.f."
  force_x, force_y, force_z);
  dialog_set_alert_message_text (main_dialog, buf);
  dialog_update (main_dialog);
  }

  void createafile() {}
  sprintf (fullname, "shared/documents/Raw-%d.txt",_logcounter);
  {if(f==null)}
  file does not exist
  f = fopen (fullname, "r");
  {while(f!=null)}
  file exists
  fclose (f);
  ++ _logcounter;
  sprintf (fullname, "shared/documents/Raw-%d.txt",_logcounter);
  f = fopen (fullname, "r");
  }
  }
  }

  write data to the file
  void writedataintofile() {}
  f = fopen (fullname, "w");
  fprintf (f, "X (m/s2), Accel Accel Y (m/s2), Accel Z (m/s2) \n" ");
  fprintf (f, "" 7% 7% .3f, .3f, %7.3f\n ', force_x, force_y, force_z ");
  fclose (f);
  }

  /**
  * A sample application shows the native APIs of BlackBerry for accelerometer.
  * The example initializes and reads the accelerometer periodically until one
  * NAVIGATOR_EXIT event is received.
  Enforcement also tuned to changes status window in the browser so that
  * It can stop reading the accelerometer when the application is no longer visible.
  */
  int main (int argc, char * argv {})
  bool exit_application = false;
  /*
  * Until we can listen for events from the BlackBerry Tablet OS platform
  * services, we need to initialize the BPS infrastructure
  */
  bps_initialize();
  /*
  * Once the BPS infrastructure has been initialized, we can save to
  * events of different services of BlackBerry Tablet OS platform. The
  * Browser service manages and provides the life cycle of application and
  * events of visibility.
  For the example, we ask browser events so that we can follow when
  * the system ends the application (NAVIGATOR_EXIT event). This allows to
  * us to clean up resources in the application.
  */
  navigator_request_events (0);
  dialog_request_events (0);
  /*
  * Initialize the screen so that the Windows Id is correctly set, to allow
  * dialogs to display.
  */
  If (setup_screen()! = EXIT_SUCCESS) {}
  fprintf (stderr, "Failed to initialize the screen.");
  Exit (-1);
  }
  /*
  * Once the BPS infrastructure has been initialized, we can save to
  * events of different services of BlackBerry Tablet OS platform. The
  * Browser service manages and provides the life cycle of application and
  * events of visibility.
  *
  For the example, we ask browser events so that we can follow when
  * the system ends the application (NAVIGATOR_EXIT event).
  *
  * We ask events of dialogue so that we can be notified when the service of dialogue
  * answers to our queries/requests.
  */
  If (BPS_SUCCESS! = navigator_request_events (0)) {}
  fprintf (stderr, "error asking navigator events: %s", strerror(errno) (errno));
  Exit (-1);
  }
  If (BPS_SUCCESS! = dialog_request_events (0)) {}
  fprintf (stderr, "error asking dialog events: %s", strerror(errno) (errno));
  Exit (-1);
  }
  /*
  * Create and display the dialog box that displays the data from the accelerometer.
  */
  show_main_dialog();
  /*
  Prior to initialize the accelerometer function, we must ensure the unit
  * takes in charge
  */
  If (sensor_is_supported (SENSOR_TYPE_ACCELEROMETER)) {}
  /*
  * If the device does not support the accelerometer so warn the user,.
  * clean in and out
  */
  public static const int SENSOR_RATE = 40;
  sensor_set_rate (SENSOR_TYPE_ACCELEROMETER, SENSOR_RATE);
  sensor_request_events (SENSOR_TYPE_ACCELEROMETER);

  }
  /*
  * Initialize the accelerometer setting the rate at which the
  * accelerometer values will be updated material
  */
  accelerometer_set_update_frequency (FREQ_40_HZ);

  /*
  Treat browser events and take the accelerometer readings periodically
  * until we receive a NAVIGATOR_EXIT event.
  */
  createafile();
  f = fopen (fullname, "w");

  While (! exit_application) {}
  /*
  * By setting the timeout to bps_get_event to ACCELEROMETER_MAX_POLL_INTERVAL,
  * We assign the maximum duration (in millis) who will wait before
  * release so that we can take a reading of the accelerometer.
  */
  bps_event_t * event = NULL;
  bps_get_event (& event, ACCELEROMETER_MAX_POLL_INTERVAL);

  If {(event)
  If (bps_event_get_domain (event) is {sensor_get_domain()})
  /*
  * We woke up. See if we are in the paused state. If not,
  take a reading of the accelerometer
  */
  If (! pause) {}
  sensor_event_get_xyz (event, & force_x, & force_y, & force_z);
  display_acceleration_data (force_x, force_y, force_z);
  fprintf (f, "X (m/s2), Accel Accel Y (m/s2), Accel Z (m/s2) \n" ");
  fprintf (f, "" 7% 7% .3f, .3f, %7.3f\n ', force_x, force_y, force_z ");
  } //paused
  }
  / * If this is an event of the dialog box, determine the response code and handle
  * the event accordingly.
  */
  {ElseIf (bps_event_get_domain (event) == dialog_get_domain() {)}
  ;
  }
  /*
  * If it's a NAVIGATOR_EXIT event and then set the exit_application
  * indicator so that the application stops processing events, clean and
  * output.
  */
  {ElseIf (bps_event_get_domain (event) == navigator_get_domain() {)}
  exit_application = handle_navigator_event (event);
  }
  } //if event
  } //while
  /*
  * Destroy the dialog box, if it exists.
  */
  If {(main_dialog)
  dialog_destroy (main_dialog);
  }

  fclose (f);

  /*
  * Clean the infrastructure bps and output
  */
  sensor_stop_events (SENSOR_TYPE_ACCELEROMETER);
  bps_shutdown();
  screen_destroy_window (screen_win);
  screen_destroy_context (screen_ctx);
  return 0;
  } //main

  Hello

  As I said on your other thread:

  In order to write in the shared directory/documents, your application should request action "access_shared" and it must be granted by the user. Make sure you have

  access_shared

  in your bar - descriptor.xml.

  Also note that the shared documents folder may not be the best place to write the application log data. There is one connects / in the sandbox to this effect, or the application directory data / directory if the information should be persisted. The documents/shared/folder is designed for documents that the user creates or interacts with.

  HTH,

  Christian

• Reading/writing data to files in the directory "data" of the application

  I'm trying to write and then read a little data, and it does not work. The size of the file is back by '0' because I wrote the file:

  char* ptr = NULL;
  write_file("./data/test.txt", "testing!");
  read_file("./data/test.txt", &ptr);
  fprintf(stderr, "HERE: %s\n", ptr);
  
  void write_file(char* file_name, char* data)
  {
      FILE* file = fopen(file_name, "w");
  
      if (file == NULL)
      {
          fprintf(stderr, "Cannot write to file: %s\n", file_name);
      }
      else
      {
          fprintf(file, data);
      }
  
      close(file);
  }
  
  int read_file(char* file_name, char** data)
  {
      FILE* file = fopen(file_name, "r");
  
      if (file == NULL)
      {
          fprintf(stderr, "Cannot read from file: %s\n", file_name);
  
      }
      else
      {
          struct stat st;
          int rc = stat(file_name, &st);
  
          if (rc)
          {
              return -1;
          }
  
          long num_bytes = st.st_size;
  
          *data = malloc(num_bytes + 1);
  
          fread(*data, 1, num_bytes, file);
  
          (*data)[num_bytes] = NULL;
      }
  
      close(file);
  
      return 0;
  }
  

  Don't know what I'm doing wrong here...

  No idea, but a few tips:

  • Have you created the directory data?
  • Put an exit if the entry is successful, so you can be sure that your code is executed
  • Close the file only if opened successfully
  • Close the file with fclose. Close may not do and cause it is not emptied, the content can be empty. See http://www.cplusplus.com/reference/clibrary/cstdio/fopen/
  • Add a fflush (normally not used) after writing

• Gets the number of records in the report based on the input of the user on the date and the number of days.

  Hello

  I need where there are quick dashboard that selects the date, second interval column consists of >, <, = and the third column is seen number (in days)

  for example, the user enters: 12 18, 2015, <, 9. here I report who should get the data (records) 9 days earlier from the date specified (from 12/10/2015 to 18/12/2015).

  Similarly for > =.

  How to get there. I'm unable to write the script and I use the column date in my report. Ask that you please advice how to solve this problem.

  Please find below the screen for reference.

  

  Kind regards

  Chandra Khalil.

  Hello

  Not exactly why you're doing the report this way. If the user must select, basically, a period of dates, would not easier to have a column of data with a between the operator and the user would select 2 dates (upper and lower intervals)?

  In any case, it is possible to achieve what you want to do as a result of your approach. You could use when's CASE and have a more complex filter, but I think that it is better to have a few nested filters where you use the range operator to determine what date filter that you use (see image below)

  

  Some notes about my filter. First of all, I am making the assumption that the operator is "=", then the number of days specified must be ignored and you just return the data for the selected date. You will notice also that in my filters, I got a cast so far, but if you are using a column that is already a timestamp so it won't be necessary.

  This should achieve what you want.

  See you soon,.

  Pedro