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How to use the PI constant in C++
... constant.
– Timmmm
Apr 3 '14 at 15:05
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show 8 more comments
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ssh: Could not resolve hostname [hostname]: nodename nor servname provided, or not known
...ue why. When I try to ssh into my server with user@hostname , I get the error:
14 Answers
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Floating point vs integer calculations on modern hardware
...;
# else
struct timeval tv;
if(gettimeofday(&tv, 0) < 0) {
perror("oops");
}
return (double)tv.tv_sec + (0.000001 * (double)tv.tv_usec);
# endif
}
template< typename Type >
void my_test(const char* name) {
Type v = 0;
// Do not use constants or repeating values
// t...
simple HTTP server in Java using only Java SE API
...
If you're using Eclipse and get an error like "Access restriction: The type HttpExchange is not accessible due to restriction on required library ...", stackoverflow.com/a/10642163 tells how to disable that access check.
– Samuli Pahaoja
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Path of assets in CSS files in Symfony 2
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answered Aug 22 '12 at 5:05
ChocoDeveloperChocoDeveloper
12.6k1616 gold badges7272 silver badges113113 bronze badges
...
Transpose list of lists
...oesn't seem to work for Py3. The generator is created but next() raises an error immediately: TypeError: 'NoneType' object is not callable.
– Mad Physicist
Sep 13 '16 at 15:32
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How do I get the path of the Python script I am running in? [duplicate]
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Not so sure about that, here a result from OSX 10.6 NameError: global name '__file__' is not defined
– sorin
Apr 13 '10 at 15:40
17
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vc/mfc *通配符 批量删除文件 - c++1y / stl - 清泛IT社区，为创新赋能！
... printf("删除文件:%S失败(Error:%d)\n", delFileName, GetLastError());
return 0;
}经过测试，文件路径必须为绝对路径，相对路径会操作失败。
获取当前路径拼上相对路径代码...
What is the closest thing Windows has to fork()?
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Note that most of the error checking is missing - e.g. ZwCreateThread returns an NTSTATUS value which can be checked using the SUCCEEDED and FAILED macros.
– BCran
Oct 11 '13 at 9:27
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What is the scope of variables in JavaScript?
...perties on the global object.
Examples
The following will throw a ReferenceError because the namesx, y, and z have no meaning outside of the function f.
function f() {
var x = 1
let y = 1
const z = 1
}
console.log(typeof x) // undefined (because var has function scope!)
console.log(t...