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Execute and get the output of a shell command in node.js
...ss').exec;
function execute(command, callback){
exec(command, function(error, stdout, stderr){ callback(stdout); });
};
Example: Retrieving git user
module.exports.getGitUser = function(callback){
execute("git config --global user.name", function(name){
execute("git config --globa...
Are there any standard exit status codes in Linux?
... another answer, but to a non-canonical URL.)
1: Catchall for general errors
2: Misuse of shell builtins (according to Bash documentation)
126: Command invoked cannot execute
127: "command not found"
128: Invalid argument to exit
128+n: Fatal error signal "n"
255: Exit status ou...
“Unsafe JavaScript attempt to access frame with URL…” error being continuously generated in Chrome w
...able-web-security command line option. This should probably get rid of the error (and allow FB to spy on your testing ;)
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Parse error: syntax error, unexpected end of file in xxx 的解决办法 - ...
Parse error: syntax error, unexpected end of file in xxx 的解决办法出现此提示一般是因为PHP代码中使用了 缩短的PHP开始和结束标签，如： <? ?> 。解决办法如下如下两种：第1种办法：将代码中的<? ?>全...出现此提示一般是因为PHP代码中使用...
error C2143:语法错误 : 缺少“;”(在“*”的前面) error C4430:缺少类型...
1>d:\xxx\childfrm.h(73): error C2143: 语法错误 : 缺少“;”(在“*”的前面)
1>d:\xxx\childfrm.h(73): error C4430: 缺少类型说明符 - 假定为 int。注意: C++ 不支持默认 int
一般这个错误是没有include头文件导致，
仔细检查下 .h 中是不是定义...
Compile error: “g++: error trying to exec 'cc1plus': execvp: No such file or directory”
When I compile C/C++ program with popen in php ... I got this error:
9 Answers
9
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Android Calling JavaScript functions in WebView
...reated a nice wrapper to call JavaScript methods; it also shows JavaScript errors in log:
private void callJavaScript(String methodName, Object...params){
StringBuilder stringBuilder = new StringBuilder();
stringBuilder.append("javascript:try{");
stringBuilder.append(methodName);
st...
How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar
...chedResultsController.delegate = self;
[fetchRequest release];
NSError *error = nil;
if (![aFetchedResultsController performFetch:&error])
{
/*
Replace this implementation with code to handle the error appropriately.
abort() causes the application to...
How to create circle with Bézier curves?
...are on the circle, and that the first derivative is continuous.
The radial error in this approximation will be about 0.0273% of the
circle's radius.
Michael Goldapp, "Approximation of circular arcs by cubic
polynomials" Computer Aided Geometric Design (#8 1991 pp.227-238)
Tor Dokken and Morten Da...
Emacs, switch to previous window
...ndmove-up-cycle()
(interactive)
(condition-case nil (windmove-up)
(error (condition-case nil (windmove-down)
(error (condition-case nil (windmove-right) (error (condition-case nil (windmove-left) (error (windmove-up))))))))))
(defun windmove-down-cycle()
(interactive)
(conditio...