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Best way to create an empty object in JSON with PHP?

... Well, json_encode() simply returns a string from a PHP array/object/etc. You can achieve the same effect much more efficiently by doing: $json = '{}'; There's really no point in using a function to accomplish this. UPDATE As per your comment updates, you could try:...
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How to find out if you're using HTTPS without $_SERVER['HTTPS']

... || $_SERVER['SERVER_PORT'] == 443; } The code is compatible with IIS. From the PHP.net documentation and user comments : 1) Set to a non-empty value if the script was queried through the HTTPS protocol. 2) Note that when using ISAPI with IIS, the value will be "off" if the request was ...
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What does T&& (double ampersand) mean in C++11?

...function unique_ptr<int[]> ptr{new int[10]}; // first cast ptr from lvalue to rvalue unique_ptr<int[]> new_owner = TakeOwnershipAndAlter(\ static_cast<unique_ptr<int[]>&&>(ptr), 10); cout << "output:\n"; for(auto i = 0; i< 10; ++i) { cou...
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How do I speed up the scroll speed in a JScrollPane when using the mouse wheel?

... The value '3' (units to scroll) comes from the system control panel, which Java honours, enabling you to modify it system-wide. – Luke Usherwood Aug 5 '16 at 9:59 ...
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Can I set background image and opacity in the same property?

... Generated content from IE8 up. caniuse.com/#feat=css-gencontent, use filter property for IE8. caniuse.com/#search=opacity – Dan Eastwell Jun 1 '12 at 11:18 ...
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How can I display a pdf document into a Webview?

...d and open the PDF public class PdfOpenHelper { public static void openPdfFromUrl(final String pdfUrl, final Activity activity){ Observable.fromCallable(new Callable<File>() { @Override public File call() throws Exception { try{ URL url = new UR...
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How to run Rails console in the test environment and load test_helper.rb?

...ase, so I'm unclear on what class/module it inherits its initialize method from. But it looks like the parameter it expects gets stored as @NAME on the created object. – Nick Davies Jun 2 '17 at 14:25 ...
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Splitting on first occurrence

... From the docs: str.split([sep[, maxsplit]]) Return a list of the words in the string, using sep as the delimiter string. If maxsplit is given, at most maxsplit splits are done (thus, the list will have at most maxsplit+1 ele...
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':app:lintVitalRelease' error when generating signed apk

... I have faced same issue when creating signed apk from android studio. I just change little bit change on build.gradle file inside android {} lintOptions { checkReleaseBuilds false abortOnError false } ...
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How to check whether a file is empty or not?

...method, which has the attribute st_size(file size in bytes): >>> from pathlib import Path >>> mypath = Path("path/to/my/file") >>> mypath.stat().st_size == 0 # True if empty share | ...