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What does -D_XOPEN_SOURCE do/mean?
...;
or
cc -D_XOPEN_SOURCE=<some number>
it tells your compiler to include definitions for some extra functions that are defined in the X/Open and POSIX standards.
This will give you some extra functionality that exists on most recent UNIX/BSD/Linux systems, but probably doesn't exist on ot...
Should a RESTful 'PUT' operation return something
...-- created date or last modified date, for example, should probably not be included in the PUT body, but would likely be changed as a result of the PUT. That having been said, I do not agree with LiorH that a PUT should result in a return of the resource; I would require a GET after the PUT to obtai...
How is std::function implemented?
...demonstrating the type-erasure but not good enough since type-erasure also includes how types are copied (in that answer the function object won't be copy-constructible). Those behaviors are also stored in the function object, besides the functor data.
The trick, used in the STL implementation from...
How do ports work with IPv6?
...
They work almost the same as today. However, be sure you include [] around your IP.
For example : http://[1fff:0:a88:85a3::ac1f]:8001/index.html
Wikipedia has a pretty good article about IPv6: http://en.wikipedia.org/wiki/IPv6#Addressing
...
Hosting a Maven repository on github
... <!-- remote branch name -->
<includes><include>**/*</include></includes>
<repositoryName>YOUR-REPOSITORY-NAME</repositoryName> <!-- github repo name -->
<repositoryOwner>YO...
Non-alphanumeric list order from os.listdir()
...rectory given by path. The list
is in arbitrary order. It does not
include the special entries '.' and
'..' even if they are present in the
directory.
Order cannot be relied upon and is an artifact of the filesystem.
To sort the result, use sorted(os.listdir(path)).
...
Determine file creation date in Java
... I missed something significant, the Java library as is (up to but not yet including Java 7) does not include this capability. So if you were desperate for this, one solution would be to write some C(++) code to call system routines and call it using JNI. Most of this work seems to be already done f...
How to select the row with the maximum value in each group
...
This will include multiple rows if there are ties. Use slice(which.max(pt)) to only include one row per group.
– cakraww
Jul 18 '19 at 15:14
...
Windbg Step 2 分析程序堆栈实战 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...ep 2 分析程序堆栈实战转载+整理http: www.cnblogs.com killmyday#include"stdafx.h"#include<tchar.h>#ifdef_UNICODE#define_ttol_wtol#else#define_ttolatol#e...转载+整理 http://www.cnblogs.com/killmyday
#include "stdafx.h"
#include <tchar.h>
#ifdef _UNICODE
#define _ttol _wtol
...
Selecting data from two different servers in SQL Server
...fault. E.g. [OtherServerName].[OtherDB]..[OtherTable] However it's best to include it if known.
– Tom Bowers
Oct 14 '15 at 12:03
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