大约有 40,000 项符合查询结果(耗时:0.0232秒) [XML]

https://stackoverflow.com/ques... 

Iterating each character in a string using Python

In C++, I can iterate over an std::string like this: 8 Answers 8 ...
https://stackoverflow.com/ques... 

static constructors in C++? I need to initialize private static objects

... a class with a private static data member (a vector that contains all the characters a-z). In java or C#, I can just make a "static constructor" that will run before I make any instances of the class, and sets up the static data members of the class. It only gets run once (as the variables are read...
https://stackoverflow.com/ques... 

C# Sanitize File Name

... To clean up a file name you could do this private static string MakeValidFileName( string name ) { string invalidChars = System.Text.RegularExpressions.Regex.Escape( new string( System.IO.Path.GetInvalidFileNameChars() ) ); string invalidRegStr = string.Format( @"([{0}]*\.+$)...
https://stackoverflow.com/ques... 

Should I use encodeURI or encodeURIComponent for encoding URLs?

...cial meaning, so you use it for components of URIs such as var world = "A string with symbols & characters that have special meaning?"; var uri = 'http://example.com/foo?hello=' + encodeURIComponent(world); share ...
https://stackoverflow.com/ques... 

Build an ASCII chart of the most commonly used words in a given text [closed]

...in its hardware control and measurement niche, but really pretty awful for string manipulation. – Joe Z Jul 4 '10 at 6:23 ...
https://stackoverflow.com/ques... 

Command line progress bar in Java

...he thing to do is to print your progress bar, for example, by printing the string "|======== |\r" On the next tick of the progress bar, overwrite the same line with a longer bar. (because we are using \r, we stay on the same line) For example: "|========= |\r" What you have to re...
https://stackoverflow.com/ques... 

Why can't C compilers rearrange struct members to eliminate alignment padding? [duplicate]

...erent type than the one seen by the compiler, for example: struct S { char a; int b; char c; }; struct S_head { char a; }; struct S_ext { char a; int b; char c; int d; char e; }; struct S s; struct S_head *head = (struct S_head*)&s; fn1(head); struct S_ex...
https://stackoverflow.com/ques... 

“Undefined reference to” template class constructor [duplicate]

...er won't compile the constructors cola<float>::cola(...) and cola<string>::cola(...) until it is forced to do so. And we must ensure that this compilation happens for the constructors at least once in the entire compilation process, or we will get the 'undefined reference' error. (This a...
https://stackoverflow.com/ques... 

Split column at delimiter in data frame [duplicate]

...E)) is 1 -- as the docs say: "...but if there is a match at the end of the string, the output is the same as with the match removed." As @YuShen says, this solution will "recycle". For me, I just wanted empty spaces, not recycling. – The Red Pea Oct 26 '15 at 2...
https://stackoverflow.com/ques... 

Which is faster : if (bool) or if(int)?

...ro values. To the CPU, usually, everything is one of the scalar types or a string of them. A given compiler and a given ABI will need to choose specific sizes for int and bool and when, like in your case, these are different sizes they may generate slightly different code, and at some levels of op...