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What is a JavaBean exactly?

... A JavaBean is just a standard All properties private (use getters/setters) A public no-argument constructor Implements Serializable. That's it. It's just a convention. Lots of libraries depend on it though. With respect to Serializable, from the API d...
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Make var_dump look pretty

... I really love var_export(). If you like copy/paste-able code, try: echo '<pre>' . var_export($data, true) . '</pre>'; Or even something like this for color syntax highlighting: highlight_string("<?php\n\$data ...
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How can I connect to a Tor hidden service using cURL in PHP?

... You need to set option CURLOPT_PROXYTYPE to CURLPROXY_SOCKS5_HOSTNAME, which sadly wasn't defined in old PHP versions, circa pre-5.6; if you have earlier in but you can explicitly use its value, which is equal to 7: curl_setopt($ch, CURLOPT_PROXYTYPE, 7...
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What's a reliable way to make an iOS app crash?

...er performs a particular action that a real user is unlikely to do accidentally. 18 Answers ...
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C# pattern to prevent an event handler hooked twice [duplicate]

...ution and the best one (considering performance) is: private EventHandler _foo; public event EventHandler Foo { add { _foo -= value; _foo += value; } remove { _foo -= value; } } No Linq using required. No need to check for null before cancelling a subscrip...
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How can I change UIButton title color?

... With Swift 5, UIButton has a setTitleColor(_:for:) method. setTitleColor(_:for:) has the following declaration: Sets the color of the title to use for the specified state. func setTitleColor(_ color: UIColor?, for state: UIControlState) The following Playgro...
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Entity Framework - Invalid Column Name '*_ID"

...ne for you to try to make the connection between the tables. This specifically happens with ICollection and has driven me "batty" trying to figure it out. share | improve this answer | ...
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Differences between “BEGIN RSA PRIVATE KEY” and “BEGIN PRIVATE KEY”

... Copying the content from the above link for quick reference: #define PEM_STRING_X509_OLD "X509 CERTIFICATE" #define PEM_STRING_X509 "CERTIFICATE" #define PEM_STRING_X509_PAIR "CERTIFICATE PAIR" #define PEM_STRING_X509_TRUSTED "TRUSTED CERTIFICATE" #define PEM_STRING_X509_REQ_OLD "NEW CERTI...
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How to enter a multi-line command

...me However, this is only ever necessary in such cases as shown above. Usually you get automatic line continuation when a command cannot syntactically be complete at that point. This includes starting a new pipeline element: Get-ChildItem | Select Name,Length will work without problems since a...
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What's the difference between HEAD^ and HEAD~ in Git?

...f thumb Use ~ most of the time — to go back a number of generations, usually what you want Use ^ on merge commits — because they have two or more (immediate) parents Mnemonics: Tilde ~ is almost linear in appearance and wants to go backward in a straight line Caret ^ suggests an interesting s...