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Can I use a hash sign (#) for commenting in PHP?

...HP file using hashes ( # ) for commenting. But today I realized that I actually can! I'm assuming there's a reason why everybody uses // instead though, so here I am. ...
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What is output buffering?

...se it's not being sent to the browser in pieces as PHP processes the HTML. All the fancy stuff we can do with PHP strings, we can now do with our whole HTML page as one variable. If you've ever encountered the message "Warning: Cannot modify header information - headers already sent by (output)" whi...
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Catching multiple exception types in one catch block

...fining the exceptions). Even given that there are exceptions you want to "fall through", you should still be able to define a hierarchy to match your needs. abstract class MyExceptions extends Exception {} abstract class LetterError extends MyExceptions {} class AError extends LetterError {} cla...
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Is key-value observation (KVO) available in Swift?

...d in Using Key-Value Observing in Swift: class MyObject { private var token: NSKeyValueObservation var objectToObserve = Foo() init() { token = objectToObserve.observe(\.bar) { [weak self] object, change in // the `[weak self]` is to avoid strong reference cycle; obviously, i...
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How do I make an http request using cookies on Android?

...ayList <NameValuePair>(); nvps.add(new BasicNameValuePair("IDToken1", "username")); nvps.add(new BasicNameValuePair("IDToken2", "password")); httpost.setEntity(new UrlEncodedFormEntity(nvps, HTTP.UTF_8)); response = httpclient.execute(httpost); entity ...
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upstream sent too big header while reading response header from upstream

... to increase the proxy_buffer_size and the proxy_buffers, or disable it totally (Please read the nginx documentation). Example of proxy buffering configuration http { proxy_buffer_size 128k; proxy_buffers 4 256k; proxy_busy_buffers_size 256k; } Example of disabling your proxy buffer ...
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Import file size limit in PHPMyAdmin

I have changed all the php.ini parameters I know: upload_max_filesize , post_max_size . 27 Answers ...
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Fatal error: Class 'ZipArchive' not found in

I have a problem that I install 'Archive_Zip 0.1.1' on Linux server, but when I try to run the script to create the zip file it gives the fatal error ...
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“Notice: Undefined variable”, “Notice: Undefined index”, and “Notice: Undefined offset” using PHP

... can be used to detect if a variable has been already initialized. Additionally and more ideal is the solution of empty() since it does not generate a warning or error message if the variable is not initialized. From PHP documentation: No warning is generated if the variable does not exist. T...
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Why does PHP 5.2+ disallow abstract static class methods?

...2, I saw a load of strict standards warnings from a project that was originally written without strict warnings: 8 Answers ...