大约有 40,000 项符合查询结果（耗时：0.0676秒） [XML]
How to correctly use the extern keyword in C
...les: on variables it doesn't instantiate the variable itself, i.e. doesn't allocate any memory. This needs to be done somewhere else. Thus it's important if you want to import the variable from somewhere else. For functions, this only tells the compiler that linkage is extern. As this is the default...
Difference between single and double quotes in Bash
... Enclosing characters in double quotes (") preserves the literal value of all characters within the quotes, with the exception of $, `, \, and, when history expansion is enabled, !. The characters $ and ` retain their special meaning within double quotes (see Shell Expansions). The backslash retain...
Maven build failed: “Unable to locate the Javac Compiler in: jre or jdk issue”
...s:
Add and set the JRE in menu Window → Preferences... → Java → Installed JREs:
JRE type: Standard VM JRE
Name: jdk1.6.0_18
JRE home directory: C:\Program Files (x86)\Java\jdk1.6.0_18
If this is not the case, it's possible that the brackets and spaces in the JAVA_HOME path are causing issu...
Java FileReader encoding issue
...to a string, but I found the result is wrongly encoded and not readable at all.
6 Answers
...
Angularjs minify best practice
...since Angular 1.3.1 you can turn off implicit dependency injection, it's really helpful to solve potential problems with renaming at once (before minification).
Turning off implicit DI, using strictDi config property:
angular.bootstrap(document, ['myApp'], {
strictDi: true
});
Turning off im...
Fastest way to extract frames using ffmpeg?
... @Evi1M4chine just remove the -r parameter this will extract all frames
– studioj
Nov 15 '16 at 6:14
14
...
NGINX to reverse proxy websockets AND enable SSL (wss://)?
...
What about this timeout problem? Do we have really to set it to a very large number to avoid it? Isn't there now any more elegant solution?
– Mohammed Noureldin
Jan 4 '18 at 23:48
...
static const vs #define
...
Personally, I loathe the preprocessor, so I'd always go with const.
The main advantage to a #define is that it requires no memory to store in your program, as it is really just replacing some text with a literal value. It also has...
Why does Javascript's regex.exec() not always return the same value? [duplicate]
... matches by performing the assignment as the loop condition.
var re = /foo_(\d+)/g,
str = "text foo_123 more text foo_456 foo_789 end text",
match,
results = [];
while (match = re.exec(str))
results.push(+match[1]);
DEMO: http://jsfiddle.net/pPW8Y/
If you don't like the placem...
mfc 按钮变成了非xp风格、界面变成windows经典样式的原因总结 - C/C++ - 清...
...xp风格 xp风格stdafx.h中添加：#ifdef _UNICODE#if defined _M_IX86#pragma co...首先看一下xp风格与非xp风格：
非xp风格 xp风格
stdafx.h中添加：
#ifdef _UNICODE
#if defined _M_IX86
#pragma comment(lin...