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Django Forms: if not valid, show form with error message
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If you render the same view when the form is not valid then in template you can access the form errors using form.errors.
{% if form.errors %}
{% for field in form %}
{% for error in field.errors %}
<div class="alert alert-danger">
<strong&g...
Are Exceptions in C++ really slow
...Systematic Error Handling in C++—Andrei Alexandrescu he claims that Exceptions in C++ are very very slow.
6 Answers
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Using Default Arguments in a Function
I am confused about default values for PHP functions. Say I have a function like this:
12 Answers
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SQL - Query to get server's IP address
Is there a query in SQL Server 2005 I can use to get the server's IP or name?
10 Answers
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Why can't my program compile under Windows 7 in French? [closed]
I'm running Windows 7 French and I'm trying to compile this really basic program, but Visual Studio is being stubborn and refuses to comply. I also tried compiling it with both GCC 4.7 and Clang trunk on Coliru and I get more or less the same errors (output is below the code), though I think Colir...
How to export revision history from mercurial or git to cvs?
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Embedding unmanaged dll into a managed C# dll
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How do you specify the Java compiler version in a pom.xml file?
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Is there an MD5 Fixed Point where md5(x) == x?
...cec7850a7900ce027af4b78 -> b2f6053087022898fe920ce027af4b78
Blog post:
https://plus.google.com/103541237243849171137/posts/SRxXrTMdrFN
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How can I do an asc and desc sort using underscore.js?
...ascending:
[2, 3, 1].sort(); // [1, 2, 3]
// But can be descending if you provide a sort handler:
[2, 3, 1].sort(function(a, b) {
// a = current item in array
// b = next item in array
return b - a;
});
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