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How do I create a comma-separated list from an array in PHP?
... way to append commas without having a trailing one. You'd want to do this if you have to do some other manipulation at the same time. For example, maybe you want to quote each fruit and then separate them all by commas:
$prefix = $fruitList = '';
foreach ($fruits as $fruit)
{
$fruitList .= $pr...
Understanding the ngRepeat 'track by' expression
I'm having difficulties understanding how the track by expression of ng-repeat in angularjs works. The documentation is very scarce: http://docs.angularjs.org/api/ng/directive/ngRepeat
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Check if object is a jQuery object
Is there a fast way of checking if an object is a jQuery object or a native JavaScript object?
9 Answers
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NSObject +load and +initialize - What do they do?
...able file, the runtime sends the load message very early in the process's lifetime. For classes that are in a shared (dynamically-loaded) library, the runtime sends the load message just after the shared library is loaded into the process's address space.
Furthermore, the runtime only sends load t...
JavaScript equivalent to printf/String.Format
...nt of the C/PHP printf() or for C#/Java programmers, String.Format() ( IFormatProvider for .NET).
50 Answers
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MongoDB - Update objects in a document's array (nested updating)
...at this will only increment the first matched subdocument in any array (so if you have another document in the array with "item_name" equal to "my_item_two", it won't get incremented). But this might be what you want.
The second part is trickier. We can push a new item to an array without a "my_...
jQuery ajax error function
... },
error: function (jqXHR, exception) {
var msg = '';
if (jqXHR.status === 0) {
msg = 'Not connect.\n Verify Network.';
} else if (jqXHR.status == 404) {
msg = 'Requested page not found. [404]';
} else if (jqXHR.status == 500) {
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Do I need to manually close an ifstream?
Do I need to manually call close() when I use a std::ifstream ?
5 Answers
5
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Cleanest way to get last item from Python iterator
... is precisely what None is for. Are you suggesting that some function-specific default value could even be correct? If the iterator doesn't actually iterate, then an out-of-band value is more meaningful than some misleading function-specific default.
– S.Lott
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How do .gitignore exclusion rules actually work?
...g to solve a gitignore problem on a large directory structure, but to simplify my question I have reduced it to the following.
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