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What is the difference between the | and || or operators?

...lways used || (two pipes) in OR expressions, both in C# and PHP. Occasionally I see a single pipe used: | . What is the difference between those two usages? Are there any caveats when using one over the other or are they interchangeable? ...
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What is the difference between window, screen, and document in Javascript?

...t model. You can access it as window window.screen or just screen is a small information object about physical screen dimensions. window.document or just document is the main object of the potentially visible (or better yet: rendered) document object model/DOM. Since window is the global object ...
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Calculate business days

...case the whole interval is within a week, in the second case the interval falls in two weeks. if ($the_first_day_of_week <= $the_last_day_of_week) { if ($the_first_day_of_week <= 6 && 6 <= $the_last_day_of_week) $no_remaining_days--; if ($the_first_day_of_week &l...
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How to find gaps in sequential numbering in mysql?

...". $MAX ." WHERE seq not in (SELECT column FROM table)" my syntax is php based – me_ Oct 24 '17 at 23:57 ...
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Doing HTTP requests FROM Laravel to an external API

... Snoek WAS directing you toward an official Laravel package. It is pre-installed in the laravel vendor group. – parker_codes Nov 18 '17 at 23:09 ...
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Formatting code in Notepad++

... To fix that you can do this stackoverflow.com/questions/6985637/… After all of that you should be able to TextFX -> HTML Tidy -> Tidy: Reindent XML as @gablin described. – darren Feb 1 '12 at 10:15 ...
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Android: Test Push Notification online (Google Cloud Messaging) [closed]

... Found a very easy way to do this. Open http://phpfiddle.org/ Paste following php script in box. In php script set API_ACCESS_KEY, set device ids separated by coma. Press F9 or click Run. Have fun ;) <?php // API access key from Google API's Console define( 'API_...
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Precedence and bitmask operations

... You are actually doing this: var_dump(0b10 & (0b01 == 0)); var_dump(0b10 & (0b01 != 0)); Try: var_dump((0b10 & 0b01) == 0); var_dump((0b10 & 0b01) != 0); ...
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How do I get the fragment identifier (value after hash #) from a URL?

... To be honest, IE8 is so insecure, all the payment gateways basically is going to drop any browser not supporting TLS 1.2 next week (30 June 2018), you will not be able to do payments from them at all. So that makes all these old crappy browsers useless for an...
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Create a folder if it doesn't already exist

I've run into a few cases with WordPress installs with Bluehost where I've encountered errors with my WordPress theme because the uploads folder wp-content/uploads was not present. ...