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When to encode space to plus (+) or %20?

...value is query value with a space, but the folder name in the path is literally foo+bar, not foo bar. %20 is a valid way to encode a space in either of these contexts. So if you need to URL-encode a string for inclusion in part of a URL, it is always safe to replace spaces with %20 and pluses with ...
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Get the first element of an array

... a array "copy" is needed: array_shift(array_slice($array, 0, 1)); With PHP 5.4+ (but might cause an index error if empty): array_values($array)[0]; share | improve this answer | ...
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Convert JavaScript String to be all lower case?

How can I convert a JavaScript string value to be in all lower case letters? 14 Answers ...
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Does C++ support 'finally' blocks? (And what's this 'RAII' I keep hearing about?)

Does C++ support ' finally ' blocks? 16 Answers 16 ...
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How can I check a C# variable is an empty string “” or null? [duplicate]

... @Lion Liu: Actually I think PHP has exactly as much to offer. See: php.net/manual/en/function.empty.php – Milan Feb 2 '16 at 20:09 ...
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How do I set a cookie on HttpClient's HttpRequestMessage

...instantiated once and re-used throughout the life of an application. Especially in server applications, creating a new HttpClient instance for every request will exhaust the number of sockets available under heavy loads..." From here: asp.net/web-api/overview/advanced/… – Ser...
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BLE(二)信道&数据包&协议栈格式 - 创客硬件开发 - 清泛IT社区,...

...。 Service和Characteristic则是比较重要的,Service可以理解为PHP中的“类”、功能对象的集合。Characteristic可以理解为PHP的“函数”,是GATT中具体的功能对象,每个Service都可以包含一个或多个Characteristic(特征)。Characteristic是GATT pr...
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Nginx no-www to www and www to no-www

...n.php last; # etc etc... } } Note: I have not originally included https:// in my solution since we use loadbalancers and our https:// server is a high-traffic SSL payment server: we do not mix https:// and http://. To check the nginx version, use nginx -v. Strip www from ...
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Static/Dynamic vs Strong/Weak

I see these terms bandied around all over the place in programming and I have a vague notion of what they mean. A search shows me that such things have been asked all over stack overflow in fact. As far as I'm aware Static/Dynamic typing in languages is subtly different to Strong/Weak typing but wha...
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CodeIgniter - accessing $config variable in view

... Your controller should collect all the information from databases, configs, etc. There are many good reasons to stick to this. One good reason is that this will allow you to change the source of that information quite easily and not have to make any change...