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PHP Error handling: die() Vs trigger_error() Vs throw Exception

...by using different levels of error messages) and you can hide those errors from end-users (using set_error_handler()) but still have them be displayed to you during testing. Also trigger_error() can produce non-fatal messages important during development that can be suppressed in production code us...
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Most efficient way to concatenate strings in JavaScript?

... It is different from version to version. I guess, right now Chrome's VM might contain some pre-optimization for this case. I tested again on Chrome v53 and concatenation is now the fastest solution :D Same hardware but different Chrome versi...
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C++ inheritance - inaccessible base?

...nce type of a class in C++ is private, so any public and protected members from the base class are limited to private. struct inheritance on the other hand is public by default. share | improve this...
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nil detection in Go

... if reflect.ValueOf(v).IsZero() { // v is zero, do something } Apart from basic types, it also works for Array, Chan, Func, Interface, Map, Ptr, Slice, UnsafePointer, and Struct. See this for reference. share ...
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iOS: Use a boolean in NSUserDefaults

... looking for isn't in the Application Domain, i.e., the user defaults read from the user's .plist file. On the other hand, you could just check for login credentials and pop up an alert if they're missing. This eliminates the need to keep your boolean value synchronized with the login credentials. ...
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Can I get the name of the current controller in the view?

Is there a way to figure out what the current controller is from within the view? 5 Answers ...
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vs vs for inline and block code snippets

... removed completely in 5? While not many tags have been completely removed from browsers - <blink> is one example - I would be anxious about using this for anything that needs to be future-proof. – spacer GIF Jun 19 '19 at 11:39 ...
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What is resource-ref in web.xml used for?

...esources in the web.xml has the advantage of separating the developer role from the deployer role. In other words, as a developer, you don't have to know what your required resources are actually called in production, and as the guy deploying the application, you will have a nice list of names to ma...
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Should I URL-encode POST data?

...inal questions was "Should I URL-encode POST data?" which isn't answered. From my recent experience with URL Encoding, I would like to extend the question further. "Should I URL-encode POST data, same as GET HTTP method. Generally, HTML Forms over the Browser if are filled, submitted and/or GET som...
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显示列表 · App Inventor 2 中文网

...用”从范围循环“ while 方法的变体用于每个 from 到 by 或列表中的每个项目。 我们在下面展示了两种方法的块。 请注意,我们必须测试空列表。 如果列表至少有一个元素,那么我们将标签设置为第一项中的任何内...