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How does std::move() transfer values into RValues?

...ch I cleaned up a little bit): template <typename T> typename remove_reference<T>::type&& move(T&& arg) { return static_cast<typename remove_reference<T>::type&&>(arg); } Let's start with the easier part - that is, when the function is called wi...
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When do we need to set ProcessStartInfo.UseShellExecute to True?

...OK, which means that it can be used to (for example): Open .html files or web using the default browser without needing to know what that browser is, Open a word document without needing to know what the installation path for Word is Run any command on the PATH For example: Process p = new Process...
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Performance optimization strategies of last resort [closed]

...erformance questions on this site already, but it occurs to me that almost all are very problem-specific and fairly narrow. And almost all repeat the advice to avoid premature optimization. ...
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How can I pad an int with leading zeros when using cout

...ormatted output to a string (char* or char[]) not to console directly. Actually I am writing a function that returns formatted string – shashwat Dec 23 '12 at 9:32 14 ...
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Why aren't ◎ܫ◎ and ☺ valid JavaScript variable names?

...associated with any alphabet. The ECMAScript standard, chapter 7.6 (which all the browsers except Internet Explorer are following), states that an identifier must start with one of the following. a Unicode letter $ or _ \ followed by a unicode escape sequence. The following characters of an ide...
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Declare and Initialize String Array in VBA

... Dim myStringArray() As String *code* redim myStringArray(size_of_your_array) Then you can do something static like this: myStringArray = { item_1, item_2, ... } Or something iterative like this: Dim x For x = 0 To size_of_your_array myStringArray(x) = data_source(x).Name Nex...
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str performance in python

...; import dis >>> dis.dis(lambda: str(100000)) 8 0 LOAD_GLOBAL 0 (str) 3 LOAD_CONST 1 (100000) 6 CALL_FUNCTION 1 9 RETURN_VALUE >>> dis.dis(lambda: '%s' % 100000) 9 0 LOAD...
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Does ARC support dispatch queues?

...d as * Objective-C types when building with an Objective-C compiler. This allows * them to participate in ARC, in RR management by the Blocks runtime and in * leaks checking by the static analyzer, and enables them to be added to Cocoa * collections. * * NOTE: this requires explicit cancellati...
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GitHub relative link in Markdown file

...entation files, whether you view the documentation on GitHub itself, or locally, using a different markup renderer. You want examples of link definitions and how they work? Here's some Markdown for you. Instead of an absolute link: [a link](https://github.com/user/repo/blob/branch/other_file...
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How to get key names from JSON using jq

...fy -r then you get a quoted string, which looks fine on-screen, but you usually don't want the quotes embedded in the string. – MarkHu Apr 26 '18 at 2:49 4 ...