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Why did Rails4 drop support for “assets” group in the Gemfile
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Wasn't it also saving memory? Now all gems, even those not needed in "production" (only in precompile), are loaded and thus rails consumes more memory?
– gucki
Sep 12 '13 at 9:35
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Table row and column number in jQuery
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Off the top of my head, one way would be to grab all previous elements and count them.
$('td').click(function(){
var colIndex = $(this).prevAll().length;
var rowIndex = $(this).parent('tr').prevAll().length;
});
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Go to Matching Brace in Visual Studio?
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This was useful for me because it wasn't set for me at all in VS 2017.
– Mmm
Dec 13 '18 at 23:54
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Java - Convert integer to string [duplicate]
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they are practically the same (the last one invokes the first one, and the 2nd one is compiled to the first one). I prefer the 1st one
– Bozho
Jun 3 '13 at 9:39
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LINQ with groupby and count
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After calling GroupBy, you get a series of groups IEnumerable<Grouping>, where each Grouping itself exposes the Key used to create the group and also is an IEnumerable<T> of whatever items are in your original data set. ...
Java 8 forEach with index [duplicate]
... way to build a forEach method in Java 8 that iterates with an index? Ideally I'd like something like this:
3 Answers
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setState vs replaceState in React.js
...ows out the current state, and replaces it with only what you provide. Usually setState is used unless you really need to remove keys for some reason; but setting them to false/null is usually a more explicit tactic.
While it's possible it could change; replaceState currently uses the object passe...
Why isn't sizeof for a struct equal to the sum of sizeof of each member?
... errors.
Here's an example using typical settings for an x86 processor (all used 32 and 64 bit modes):
struct X
{
short s; /* 2 bytes */
/* 2 padding bytes */
int i; /* 4 bytes */
char c; /* 1 byte */
/* 3 padding bytes */
};
struct Y
{
int i; /* 4...
Find full path of the Python interpreter?
...3 and it printed the correct executable. I also tried with no shebang and called the script with the python and python3 commands and it printed the correct executable.
– David Baucum
Oct 10 '19 at 13:18
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how to show alternate image if source image is not found? (onerror working in IE but not in mozilla)
... found" onerror="this.onerror=null;this.src='imagefound.gif';" />
By calling this.onerror=null it will remove the onerror then try to get the alternate image.
NEW
I would like to add a jQuery way, if this can help anyone.
<script>
$(document).ready(function()
{
$(".backup_picture"...