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jQuery get input value after keypress
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This is because keypress events are fired before the new character is added to the value of the element (so the first keypress event is fired before the first character is added, while the value is still empty). You should use keyup instead, which is fired after the character has b...
Shortcut to Apply a Formula to an Entire Column in Excel [closed]
If I select a cell containing a formula, I know I can drag the little box in the right-hand corner downwards to apply the formula to more cells of the column. Unfortunately, I need to do this for 300,000 rows!
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jQuery - Detecting if a file has been selected in the file input [duplicate]
...lt;/script>
You may want to add IDs to your input and span so you can select based on those to be specific to the elements you are concerned with and not other file inputs or spans in the DOM.
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How to change the background color of a UIButton while it's highlighted?
...ged" forState:UIControlStateHighlighted];
[myButton addTarget:self action:@selector(buttonHighlight:) forControlEvents:UIControlEventTouchDown];
[myButton addTarget:self action:@selector(buttonNormal:) forControlEvents:UIControlEventTouchUpInside];
Option 2:
Return an image made from the highligh...
How is the “greater than” or “>” character used in CSS?
I have seen this character a number of times in CSS files but I have no idea how its used. Can anyone explain it to me and show how they are useful in making a page style easier?
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The Ruby %r{ } expression
...y, for legibility.
Edit:
Note that you can use almost any non-alphabetic character pair instead of '{}'.
These variants work just as well:
%r!/home/user!
%r'/home/user'
%r(/home/user)
Edit 2:
Note that the %r{}x variant ignores whitespace, making complex regexps more readable. Example from Git...
How to count instances of character in SQL Column
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In SQL Server:
SELECT LEN(REPLACE(myColumn, 'N', ''))
FROM ...
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Does “git fetch --tags” include “git fetch”?
...ly fetches tags on tracked branches. We have a script that allows users to select a working branch, so by default there are many branches that are not currently tracked by an individual.
– davidA
Jul 30 '09 at 22:46
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System.Net.Http: missing from namespace? (using .net 4.5)
... Add Reference dialog right-click on your project in Solution Explorer and select Add Reference.... It should look something like:
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What is the purpose of fork()?
...hild executes this.
// new argv array for the child process
const char *argv[] = {"arg1", "arg2", "arg3", NULL};
// now start executing some other program
exec("/path/to/a/program", argv);
}
The shell spawns a child process using exec and waits for it to complete, then continues ...