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What belongs in an educational tool to demonstrate the unwarranted assumptions people make in C/C++?
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The order of evaluation of subexpressions, including
the arguments of a function call and
operands of operators (e.g., +, -, =, * , /), with the exception of:
the binary logical operators (&& and ||),
the ternary conditional operator (?:), and
the comma operator (,)
is Unspecified
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Uncatchable ChuckNorrisException
... to throw it. It's easy to create an exception that you can't throw: class cn extends exception{private cn(){}}
– John Dvorak
Dec 18 '12 at 20:55
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Does Javascript pass by reference? [duplicate]
... in the surrounding scope.
This also applies to Strings, which are a composite data type and yet immutable:
var str = "foo";
function f(str) {
str[0] = "b"; // doesn't work, because strings are immutable
console.log("inside of f:", str);
}
f(str);
console.log("outside of f:", str...
Accept function as parameter in PHP
I've been wondering whether is possible or not to pass a function as parameter in PHP; I want something like when you're programming in JS:
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How to convert int to QString?
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Unfortunately, the link to the Nokia site no longer works.
– Eliyahu Skoczylas
May 22 '16 at 16:35
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How can you list the matches of Vim's search?
... " F6 will find the previous occurrence after vimgrep
map <F6> :cn!<CR>
" F8 search for word under the cursor recursively , :copen , to close -> :ccl
nnoremap <F8> :grep! "\<<cword>\>" . -r<CR>:copen 33<CR>
" omit a dir from all searche...
How to check if an object is a list or tuple (but not string)?
... tuple - but not a str . Because many times I stumbled upon bugs where a function passes a str object by mistake, and the target function does for x in lst assuming that lst is actually a list or tuple .
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How to measure time taken by a function to execute
... non-standard and is not on a standards track. Do not use it on production sites facing the Web: it will not work for every user. There may also be large incompatibilities between implementations and the behavior may change in the future.
Besides browser support, performance.now seems to have the ...
How to validate an OAuth 2.0 access token for a resource server?
...JavaHead there are some more protocol details covered on our developer web site here: developer.pingidentity.com/en/resources/…, the PingFederate OAuth Playground ships as a set of JSPs that can be referenced as source code for validating tokens. It (and other open source libraries and samples) ca...
项目管理实践教程二、源代码控制【Source Control Using VisualSVN Server ...
...2-1
点击Import,弹出下面的窗体,其中http://zt.net.henu.edu.cn 是服务器名,svn是代码仓库的根目录,StartKit是我们在上个教程中添加的一个代码库:
说明:左下角的CheckBox,在第一次签入源代码时没有用,但是,在以后你提交代码...