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Is there any Rails function to check if a partial exists?
..., true). This way, you don't need to hard-code the view directory into the call. Note, this is for partials. For non-partials, omit the last arg (or use false instead of true)
– Nathan Wallace
Jun 12 '17 at 14:45
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Write lines of text to a file in R
... true. Using RStudio 0.98 and R version 3.1.0 the file is created automatically if it doesn't exist
– JHowIX
Sep 10 '14 at 14:09
4
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Why does a RegExp with global flag give wrong results?
...r i > length then set the lastIndex property of R to 0 and return null.
Call [[Match]], giving it the arguments S and i. If [[Match]]
returned failure, go to step 9;
otherwise let r be its State result
and go to step 10.
Let i = i+1.
Go to step 7.
Let e be r's endIndex value.
If the global proper...
Capturing standard out and error with Start-Process
... @codepoke - it's slightly worse than that - since it does the WaitForExit call first, even if it only redirected one of them, it could deadlock if the stream buffer gets filled up (since it doesn't attempt to read from it until the process has exited)
– James Manning
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Can I use a function for a default value in MySql?
...p_users
BEFORE INSERT ON app_users
FOR EACH ROW
SET new.api_key = uuid();
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Why is this inline-block element pushed downward?
...d remove the clutter first.
1 -
Why not give all three divs same border width?
Let's give it.
2 - Does floating element has any connection with inline-block element being pushed downward?
No, it has nothing to do with it.
So, we have removed that div altogether. And you are witnessing same behav...
Pointers in C: when to use the ampersand and the asterisk?
...s work differently when you're working with arrays, strings or when you're calling functions with a pointer copy of a variable. It's difficult to see a pattern of logic inside all of this.
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How to determine total number of open/active connections in ms sql server 2005
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This shows the number of connections per each DB:
SELECT
DB_NAME(dbid) as DBName,
COUNT(dbid) as NumberOfConnections,
loginame as LoginName
FROM
sys.sysprocesses
WHERE
dbid > 0
GROUP BY
dbid, loginame
And this gives the total:
SELECT
COUNT(dbid) as TotalConn...
How to ensure a form field is submitted when it is disabled?
...t;select disabled="disabled">
....
</select>
<input type="hidden" name="select_name" value="selected value" />
Where select_name is the name that you would normally give the <select>.
Another option.
<select name="myselect" disabled="disabled">
<option value...
Determining the size of an Android view at runtime
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Be careful with this answer as it will be continuously called if the underlying view is a video / surface
– Kevin Parker
Nov 22 '11 at 20:45
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