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How can I exclude all “permission denied” messages from “find”?
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find . > files_and_folders 2> >(grep -v 'Permission denied' >&2)
Note: There's a small chance that some of grep's output may arrive after find completes, because the overall command doesn't wait for the command inside >(...) to finish. In bash, you can prevent this by appending...
Why does this loop produce “warning: iteration 3u invokes undefined behavior” and output more than 4
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If during the evaluation of an expression, the result is not mathematically defined or not in the range of
representable values for its type, the behavior is undefined. [ Note: most existing implementations of C++
ignore integer overflows. Treatment of division by zero, forming a remainde...
How to Use slideDown (or show) function on a table row?
...rg1[p];
}
}else if(typeof arg1 != 'undefined' && (typeof arg1 == 'number' || arg1 == 'slow' || arg1 == 'fast')) {
sR.thisCallArgs.slideSpeed = arg1;
}else{
sR.thisCallArgs.slideSpeed = sR.defaults.slideSpeed;
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Deciding between HttpClient and WebClient
Our web app is running in .Net Framework 4.0. The UI calls controller methods through ajax calls.
7 Answers
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For..In loops in JavaScript - key value pairs
I was wondering if there's a way to do something like a PHP foreach loop in JavaScript. The functionality I'm looking for is something like this PHP Snippet:
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How to ignore user's time zone and force Date() use specific time zone
In an JS app, I receive timestamp (eq. 1270544790922 ) from server (Ajax).
7 Answers
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How to reset db in Django? I get a command 'reset' not found error
Following this Django by Example tutotrial here: http://lightbird.net/dbe/todo_list.html
10 Answers
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C++11 rvalues and move semantics confusion (return statement)
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First example
std::vector<int> return_vector(void)
{
std::vector<int> tmp {1,2,3,4,5};
return tmp;
}
std::vector<int> &&rval_ref = return_vector();
The first example returns a temporary which is ca...
How to find the operating system version using JavaScript?
... true : false;
if (typeof navigator.cookieEnabled == 'undefined' && !cookieEnabled) {
document.cookie = 'testcookie';
cookieEnabled = (document.cookie.indexOf('testcookie') != -1) ? true : false;
}
// system
var os = unknown;
...
Struct like objects in Java
...ck such methods in your tests. If you create a new class you might not see all possible actions. It's like defensive programming - someday getters and setters may be helpful, and it doesn't cost a lot to create/use them. So they are sometimes useful.
In practice, most fields have simple getters and...