Must I declare and place my first private methods and attributes?
HelloJust a general question about programming style, as I'm a bit unsure what is the best practice...
I wrote an Application made up of 11 classes as part of an assignment and I am it will soon... However, I started noticing that my classes are involved with public and private methods and began to wonder if there is no consensus, just if it is best to declare and place all private at the beginning of the trace class methods of those public or vice versa, and is at its best to declare and set instance variables and attributes at the beginning or end of the class , or maybe even, just before the method where they serve first?
Would be grateful and advice or suggestions so that i can keep my code tidy and neat as possible...
Many ways
Patrick
Published by: 839854 on February 25, 2011 07:23
839854 wrote:
.. If there is no consensus about whether it is better to declare and place all private at the beginning of the class methods will be followed by the public...
That's what I tend to do. It is also one of the options provided in Eclipse 'code' cleaning options.
and at its best to declare and set instance variables and attributes at the beginning
Again, this is what I do; but that's probably because I come from a background of language of proceedings.
or end of the class
I tend to find that a little confusing.
or perhaps even, just before the method where they serve first?
A lot of people who prefer, and I can understand the arguments for it.
Would be grateful and advice or suggestions so that i can keep my code tidy and neat as possible...
Certain order is mandated by the DG JLS, especially when it comes to static members, but the rest is largely "in the eye of the beholder." Indentation practices and documentation (learn how to use the Javadoc) can also help a lot.
But, in my opinion, the more important to make readable programs part is design them well.
As Einstein said (paraphrasing): "as simple as possible, but not simpler."
It is amazing how many programmers forget that old chestnut.
But it is good to know that you are worried about it. Here there were more like you around.
Winston
Tags: Java
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Error messages in JSON format
{'type' ": 'http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.4.1',' status': 500,"title":" ORA-06550: 2 Regel, kolom 3:\nPLS-00201: identifier 'DBMS_SODA_ADMIN. LIST_COLLECTIONS' must be stated. "} \nORA-06550: 2 regel, kolom 3:\nPL/SQL: statement ignored.\n","details":"begin\n. DBMS_SODA_ADMIN LIST_COLLECTIONS (\n P_START_NAME = >?, \n P_RESULTS = >?); ------nEND; {', "o: errorCode": "SQL-06550"}
Aka
INFO: Request of race GET JSON/REST
Dec 15, 2014 13:48:14 oracle.soda.rdbms.impl.OracleDatabaseImpl getMaxLengths
SEVERE: java.sql.SQLException: ORA-06550: 2 Regel, kolom 3:
PLS-00201: identifier 'DBMS_SODA_ADMIN GET_PARAMETERS' must be declared.
ORA-06550: Regel 2, kolom 3:
PL/SQL: Statement ignored.
Dec 15, 2014 13:48:14 oracle.soda.rdbms.impl.OracleDatabaseImpl callListCollec
tions
SEVERE: java.sql.SQLException: ORA-06550: 2 Regel, kolom 3:
PLS-00201: identifier 'DBMS_SODA_ADMIN. LIST_COLLECTIONS' must be declared.
ORA-06550: Regel 2, kolom 3:
PL/SQL: Statement ignored.
Dec 15, 2014 13:48:14 oracle.json.rest.SodaRestHandler runRequest
GRAVE: oracle.soda.rdbms.impl.OracleRDBMSException
Dec 15, 2014 13:48:14 oracle.json.web.RestRequest sendError
INFO: Sending of error code 500
Any idea of what was not yet installed (speculation on my part)? Package DBMS_SODA_ADMIN is not installed in the database.
Marco
Hi Marco,.
This error usually means that MLR bundle 20080249 patch is not installed. If you have not installed yet, go to support.oracle.com, look for "20080249" and follow the installation instructions. Once the hotfix has been installed, it should start to work (you don't need to reinstall ADR).
Note that the patch was released initially with step 6 missing in the instructions. This problem has been fixed recently.
Thank you
Josh
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Bogged down with PLS-00201: identifier 'P_ERR_MESSAGE1' must be declared
I'm trying to capture an error message in the exception block, and then move it to the calling procedure. I'm getting bogged down with an error "PLS-00201: identifier 'P_ERR_MESSAGE1' must be declared '. How can I fix this or how I can pass the error message in the main proceedings.
The situation is the following:
-Local variable
CRLF VARCHAR2 (2) CONSTANT: = CHR (13) | CHR (10);
-- --------------------------------------------------------------------------------
-FORWARD DECLARATIONS
-- -----------------------------------------------------------------------------
PROCEDURE p_sendmail (p_sender_email IN VARCHAR2,
P_FROM IN VARCHAR2,
p_to IN VARCHAR2,
msg_subject IN VARCHAR2 DEFAULT NULL,
p_msg_body IN LONG DEFAULT NULL,
p_err_message1 OUT VARCHAR2);
PROCEDURE p_sendmail (p_sender_email IN VARCHAR2,
P_FROM IN VARCHAR2,
p_to IN VARCHAR2,
msg_subject IN VARCHAR2 DEFAULT NULL,
p_msg_body IN LONG DEFAULT NULL,
p_err_message1 OUT VARCHAR2) is
LONG v_to_list;
LONG v_cc_list;
LONG v_bcc_list;
T_DATE VARCHAR2 (255) DEFAULT TO_CHAR(SYSDATE, 'DD MON YYYY HH24:MI:SS PM');
g_mail_conn UTL_SMTP. CONNECTION;
SMTP_HOST CONSTANT VARCHAR2 (256): = ' smtp - abc.defg.ca';
SMTP_PORT CONSTANT PLS_INTEGER: = 25;
BEGIN
g_mail_conn: = UTL_SMTP. OPEN_CONNECTION (SMTP_HOST, SMTP_PORT);
UTL_SMTP. HELO (g_mail_conn, SMTP_HOST);
UTL_SMTP.mail (g_mail_conn, p_sender_email);
UTL_SMTP. RCPT (g_mail_conn, p_to);
UTL_SMTP.open_data (g_mail_conn);
UTL_SMTP.write_data (g_mail_conn, "|) CRLF);
UTL_SMTP.write_data (g_mail_conn, p_msg_body);
UTL_SMTP.close_data (g_mail_conn);
UTL_SMTP. Quit (g_mail_conn);
EXCEPTION
WHEN utl_smtp.transient_error THEN
RAISE_APPLICATION_ERROR (SQLCODE, SQLERRM);
-DBMS_OUTPUT.put_line ('TransientError: Invalid Operation have service may not be available.');
WHEN utl_smtp.permanent_error THEN
RAISE_APPLICATION_ERROR (SQLCODE, SQLERRM);
-DBMS_OUTPUT.put_line ('Permanent Error: The email id entered is either invalid or recepients mail box is full.');
-p_errmessage: = SQLERRM;
WHILE others THEN
RAISE_APPLICATION_ERROR (SQLCODE, SQLERRM);
-DBMS_OUTPUT.put_line ('Unable to send year email.');
-p_errmessage: = SQLERRM;
IF SQLERRM IS NOT NULL THEN
p_err_message1: = SQLERRM;
ON THE OTHER
p_err_message1: = NULL;
END IF;
END p_sendmail;
-Call the procedure below:
p_sendmail (p_sender_email = > ' [email protected]'-, send an E-mail to the donor )
p_from = > ' ADS < [email protected] > ',
p_to = > v_store_email_address,
p_msg_subject = > 'anonymous user ',.
p_msg_body = > 'thank you ' |
CRLF.
"Email confirms that we have received your promise |
CRLF.
CRLF.
' Name: ' || v_full_name |
CRLF.
' Temporary ID: ' | v_azbwccp_id |
CRLF.
"Reference number: ' |" MTID |
CRLF.
"Amount: ' | '. TO_NUMBER (campaign_desg_amt1) |
CRLF.
"Campaign: ' | '. campaign |
CRLF.
' Description: ' | '. adbdesg_rec.adbdesg_name |
CRLF.
' Type: ' | atvpldg_rec.atvpldg_desc |
CRLF.
' Duration: ' | '. atvpdur_rec.atvpdur_desc |
CRLF.
"Frequency: ' | '. atvfreq_rec.atvfreq_desc |
CRLF.
"Start date: ' | '. bill_date2 |
CRLF.
CRLF.
'Your commitment is processed.' |
CRLF.
"At the same time, if you want to change this transaction, please contact us.
CRLF.
CRLF.
"Thank you for your support." |
CRLF.
CRLF.
CRLF.
CRLF.
' * This is an automated message system. Please, do not respond to this email. *** ',
p_err_message1);
Now when I compile it, I am getting bogged down with an error message called: PLS-00201: identifier 'P_ERR_MESSAGE1' must be declared
Where do I feel bad? When I google, talk, or the variable is not set (which is not the case) or on the privileges (which is not the case that I compiled the same procedure with fewer parameters the week last in my schema). Any idea?
I have attached a screenshot as well. Thanks in advance.
Yes, I was not able to copy and paste the package specifications and the whole body, because its too too big. Hope you understand.
The problem is that you had declared him an OUT parameter p_err_message1. This setting is valid only inside the procedure. However, you tried to use it outdoors (during the call to the procedure). Declare and use a different variable to solve the problem.
...
p_sendmail (p_sender_email => ' [email protected]'-, send an E-mail to the donor)
...
CRLF.
' * This is an automated message system. Please, do not respond to this email. *** ',
( p_err_message1) ;
To identify the problem in a quick way and constitent, generally it allows to watch the line numbers. Or use sql developer. There, you can jump directly to the error line.
-
If I buy adobe Elements 10 or later what software should I make the DVD to mov files, the files are large and I know they must be compressed and I don't want to lose quality... I know that adobe pro you still need software, but will still work with the elements and may itself make the compression... I know it can burn DVDs...
vidog
If you burn to a DVD disc in first items 10 and later versions, some choices are
a. DVD-VIDEO standard screen or 4:3 16:9 on DVD disc
Both will have the frame size of 720 x 480 pixels. But the big screen comes with a 16:9 flag that extends approximately 856/480 16:9 display video after encoding. The screening is not adjustable by the user... and you end up with the DVD-VIDEO format @ 29.97 images per second interlaced.
b. format of the AVCHD on DVD
Here is the video display 1920 x 1080. And, depending on the version, can be 29.97 images interlaced per second, or 23.976 progressive frames per second (if not just 29.97 images per second interlaced). Although you can generate some AVCHD DVD with a regular DVD burner, DVD AVCHD is in need of a blu - ray player that supports supported AVCHD DVD or one of these drives multimedia multi which is also.
c. If the player allows... you can export your Timeline file saved on a USB Flash drive and then insert this USB Flash drive in the drive to get the reading of the file. On this route, you can set the Premiere Elements avancΘs to customize your choice of export preset.
Please consult the bulletin and consider then, let us know if we have targeted your question. If this isn't the case, please give more details in the areas where we do not have.
Thank you.
RTA
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I have a problem with the wizard to change and could not find a solution for it.
When I go and you try to view the environment it is said that "all agents are running and sending impulses... before the beginning of change Assistant".
Here are the steps I followed:
-Configuration of the Agent EM: hubURL = http:// < localhost >: 80/PSEMHUB/hub agentport = 5283
-Configuration of the Hub EM: hubURL = http:// < localhost >: 80/PSEMHUB/hub agentport = 5283
-Bring the PIA first without any problems.
-Bring EM Agent and get this error:
Main EMF_CATEGORY of error - error reading cookies.xml cookiesrules.xml
but he sends impulses anyway.
-Configuration of the load change Wizard and ping to the host. OK, but the button results display gives this error "all agents must be running and sending impulses... before the beginning of change Assistant".
Someone knows how to fix this?
Thank you
I had this happen a few times. I work around this problem, but don't remember how (probably to do the cleaning agent and hub or maybe it was CA). I think that once, I didn't have the time to screw with it, so I worked around it by pointing to a different HUB that already existed.
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