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Difference between array_push() and $array[] =
...memory and execute whatever code it defines.
Using $arr[] = 'some value'; does not require a function call, and implements the addition straight into the data structure. Thus, when adding a lot of data it is a lot quicker and resource-efficient to use $arr[].
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href overrides ng-click in Angular.js
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You should probably just use a button tag if you don't need a uri.
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How can I select item with class within a DIV?
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References:
find().
Selector context.
Good to learn from the find() documentation:
The .find() and .children() methods are similar, except that the
latter only travels a single level down the DOM tree.
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Nullable ToString()
...ateTime.HasValue ? myNullableDateTime.Value.ToString("d") : null where you do need the unwrapped object to access the desired ToString method. Of course, there's a more concise solution for that too: $"{myNullableDateTime:d}"
– Extragorey
Apr 18 '18 at 0:18
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Fold / Collapse the except code section in sublime text 2
...l fold/collapse the code
If you want to collapse/expand all - you can do so by going to edit->code folding and choose "fold all" or "unfold all":
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Mounting multiple volumes on a docker container?
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Pass multiple -v arguments.
For instance:
docker -v /on/my/host/1:/on/the/container/1 \
-v /on/my/host/2:/on/the/container/2 \
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Going to a specific line number using Less in Unix
...d million lines. I need to go to line number 320123 to check the data. How do I do that?
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What techniques can be used to speed up C++ compilation times?
...ere, and here, also known as an opaque pointer or handle classes. Not only does it speed up compilation, it also increases exception safety when combined with a non-throwing swap function. The Pimpl idiom lets you reduce the dependencies between headers and reduces the amount of recompilation that n...
How best to determine if an argument is not sent to the JavaScript function
...).
Using the || operator has become standard practice - all the cool kids do it - but be careful: The default value will be triggered if the argument evaluates to false, which means it might actually be undefined, null, false, 0, '' (or anything else for which Boolean(...) returns false).
So the q...
navigator.geolocation.getCurrentPosition sometimes works sometimes doesn't
...and what the timeout option in getCurrentPosition() is actually timing. It does not time the user to allow or deny the geolocation request, but how long the network is allowed to take to return a location once permission is granted. If the user does not answer the geolocation request, the error hand...