the index of the first/last numerical value
HelloI want to find the index of the first numeric value in a string. I can do this by using built-in features of Oracle? (Without creating a new function)
I want to find the index of the first numeric value in a string
regexp_instr could do (for the first digit):
SQL> select regexp_instr('abc1def2', '\d') first_digit from dual
/
FIRST_DIGIT
-----------
4
1 row selected.
Tags: Database
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for example:
Age of name ID
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9... ..
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How to write a query for this inside a loop.Hello
Thus, a panel will consist of the lowest id value, the 2nd lowest and the 3rd lower, reggardless of how many lines is involved. The next group will include the 4th lowest id, the 5th lowest and the 6th lowest. To do that, you must assign the numbers 1, 2, 3, 4, 5, 6,... for the rows in order by id, with all lines with the same id, getting the same number and without jumping all the numbers.
This sounds like a job for the analytical DENSE_RANK function:WITH got_grp_id AS ( SELECT id, name, age , CEIL ( DENSE_RANK () OVER (ORDER BY id) / 3 ) AS grp_id FROM table_x ) SELECT id, name, age FROM got_grp_id WHERE id = 1 -- or whatever number you want ;
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Hi, another question.
I have 2 SLOVs. 1 is a relative of the 2nd.
The first has its value dynamically for a reason any.
I can not then dynamically change the value of the 2nd until the cascading effect is triggered by the opening of the 2nd SLOV via the button.
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followed by
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Then, it does not work.
In fact
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MarkHi Mark,
Some problems with the State of session here! Your lov EMP is limited to documents that match the DEPT value in session state. Initially this will be null and no value. Suppose you select a Department and send the page, so that the values are stored in session state. When you open the lov, employees would be only those for the Department which the value is stored in session state. Understand the State of Session, Oracle docs
You were on the right track with cascading lists, but it breaks your choice by default features. So I've ignored this output, I don't want the default functionality. We need to do our own for this. Don't worry, not too!
Off, when dept in the default settings or dept lovs changes because of a choice, the selected Department must first go to session state. This is necessary for the lov emp can find the correct records. So I added a dynamic action to fire on the change of P14_CHOOSE_DEFAULTS and P14_DEPT. The real action is a PLSQL code execution. PLSQL is always on the server side, and we can provide items to submit to the session state. The executed code is simply
NULL;
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javascript change events that are not performed.PS: don't forget to assign the answer useful/correct labels to messages that are :-)
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Hello
I would like to insert a subarray (line) in a 2D to the correct index table. The position is to say the index value depends on the value of the first column of the table 2d.
As an examlple my 2d array would look like this
230 50 215 255
300 60 270 330
360 20 350 370
And I would like to insert another line (subarray) with the following values
320 40 300 340
This new line should be placed between the second and third rows (this is based on the first column only).
I tried the threshold 1 d function table by taking an 1Dsub array of my 2d array (first column), then using the first of the new line (320) as the threshold. It sort of work, but it does not work when I start the table (IE there is only 1 row) and it seems to not work properly on other occasions (as explained in the help of Labview).
Hopefully the explanation is clear enough for any suggestion. Thanks in advance for the help!
JTRI wrote:
The idea is I have start with a new table and add these lines in the right order every time that the user sets the values Jack
Ahh, so try this.
This will also work with an empty array.
You want to do with this function it is a Subvi.
Make the entries 'table' and 'subarray"on the connector, then 'new array' output.
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Hi all
I need the values according to below 2logics in a single select query using instring and substring
1 values based on the following logic 'values after the first values of two '_' and before last '_' values '.
2 values based on the following logic 'values after the first values of two '_' and before last'-'values '.
EXM:
Entry: ABCD_EFGH_IJKLM - NOPQ_XYZ output: IJKLM - NOPQ
Entry:. ABCD_EFGH_IJKLM - NOPQ output:IJKLM
Thank you.
Check the following
WITH DATA1 AS
(SELECT "ABCD_EFGH_IJKLM - NOPQ_XYZ" double val)
UNION ALL
SELECT 'ABCD_EFGH_IJKLM - NOPQ' double val
)
SELECT SUBSTR (VAL, INSTR(VAL,'_',1,2) + 1, DECODE (BIGGER (INSTR (VAL, '_',-1, 1), INSTR(VAL,'-',-1,1)), INSTR (VAL,'-', - 1, 1), LENGTH (VAL) + 1, INSTR (VAL, '_',-1, 1))-(INSTR (VAL, '_', 1, 2) + 1))
OF DATA1;
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Salim
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Automatic indexing does not as soon as the first element of the array.
Hello
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I don't see no problem at all when I copy the loop in an another VI in order to run it. Your jpg shows nothing on the values of the probe.
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I have this trace file:
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-BobbyBobby Durrett says:
The index includes all of the columns in which the clause in the order listed plus more. It's a local index.
Most of the additional work is done in the index (see cr = value in the INDEX line).
This suggests that you do a scan of interval by a large proportion if the index, but have a large number of entries.
Two options in mind spring
(a) there is a constraint in the where clause, which means your predicate is not as precise as it looks
(b) there is a large strip of data recently removed from the index you're going throughIn both cases you can be the first return of these first two blocks of index leaf rows, then walk a lot index, do a lot of work, before going to the table for the last few rows.
The suggestion to check the session statistics can give you some clues.Concerning
Jonathan Lewis -
I want to create a 2 cells in demand for numbers, the 1st cell is a dropdown menu with items of text, when choosing an item, that it would be represented by a numeric value in the other cell. How can I do?
You can use vlookup() like this:
(1) crate a table like this:
the first line is a heading row
the first column contains the same list of items in the context menu
the second column contains the corresponding values
name of the table 'value '.
In another table (where the pop-up menu), you can use the table of choice of 'Value' like this:
create a drop-down list in cell B1
Select cell C1 and type (or copy and paste) the formula:
= VLOOKUP (B1, Value::A:B, 2, 0)
short hand for this is:
C1 = VLOOKUP (B1, Value::A:B, 2, 0)
now change the pop-up to display the value in the change of cell C1
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Hide the first and the last Division in the WPF chart axis
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(...) , the first and the last marker is drawn.Thanks in advance, Jonas
The minimum and maximum labels are transmitted separately when displaying a scale (even if technical
RangeDivisionsMode
custom can be used for the minor divisions).There is no direct configuration option to hide extreme labels, but you can achieve this effect by initializing the
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property onMajorDivisions
by a custom implementation:class CustomFormatter : GeneralValueFormatter {
protected override UIElement VisualizeCore
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UIElement element = base.VisualizeCore
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I have a control table 2D (or indicator) CH x T: each cell of the table contains the voltage check for channel and time represented by the respective row and column.
I would like to be able to scroll the data showing the names and time values to the Index screen instead of numeric values.
For example, instead of see 0,1,2,3 etc. as line index values, I would like to see channel 1, canal2, canal3 etc..
Is - it somehow possible?
Any idea is welcome!
Thank you in advance!
See you soon.
MG
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Note: it detects the edges along the long green horizontal line, so there's at least 2 edges definitevely.
Thanks for the tips.
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Hey Martin,
This may sound silly, but what happens if you scroll down to the following entry in your cluster? Currently, you can view information for your benefit '0' on the front panel. What happens if you are indexing at the edge '1' of your cluster and therefore see the information on the second edge. Is the cluster of empty when you look at the 'zero' edge? If it is, perhaps, the parameters of your step edge find are too strict and the step does not come back on a second advantage.
If the problem persists, maybe post your vi sample and a sample picture will help clear things upward.
I hope this helps!
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