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How to determine the first and last iteration in a foreach loop?
... / first key of the array.
This becomes somewhat more efficient (and more readable) with the upcoming PHP 7.3.
Solution for PHP 7.3 and up:
foreach($array as $key => $element) {
if ($key === array_key_first($array))
echo 'FIRST ELEMENT!';
if ($key === array_key_last($array))
...
Creating .pem file for APNS?
...u first need to enter the passphrase for the .p12 file so that openssl can read it. Then you need to enter a new passphrase that will be used to encrypt the PEM file. Again for this tutorial I used “pushchat” as the PEM passphrase. You should choose something more secure.
Note: if you don’t en...
How can I join multiple SQL tables using the IDs?
...y in most of the cases you had them, and only add confusion when trying to read the code. Proper nesting is the best way to make your code readable and separated out.
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How to Reverse Fragment Animations on BackStack?
...e enter animation on the
* view of the fragment being readded or reattached caused by
* {@link FragmentManager#popBackStack()} or similar methods.
* @param popExit An animation or animator resource ID used for the enter animation on the
* ...
How do I inject a controller into another controller in AngularJS
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If your intention is to get hold of already instantiated controller of another component and that if you are following component/directive based approach you can always require a controller (instance of a component) from a another component that follows a certain...
Can Selenium interact with an existing browser session?
...referably) is able to communicate with and act through a browser that is already running before launching a Selenium Client?
...
Nginx 403 error: directory index of [folder] is forbidden
...y of the stored (possibly uploaded) files directly. Nginx should only need read permission to access the files.
– complistic
May 16 '14 at 2:17
3
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C++ convert hex string to signed integer
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@SteveWilkinson: Read the paragraph starting with the "EDIT". It explains how you need to use std::hex
– Evan Teran
Jan 4 '12 at 14:58
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When is finally run if you throw an exception from the catch block?
...
@AllenRice why try it if Marc already has, and I can just google to find Marc's answer? Or maybe better, try yourself, then create an SO question and answer it yourself for others' benefit.
– joshden
Nov 18 '15 at 18:3...
What are carriage return, linefeed, and form feed?
...shift. I don't know the history of Macs using CR.) Many text editors can read files in any of these three formats and convert between them, but not all utilities can.
Form feed is a bit more interesting (even though less commonly used directly), and with the usual definition of page separator, it...