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Simple regular expression for a decimal with a precision of 2
...t:
\d+(\.\d{1,2})?
Both assume that both have at least one digit before and one after the decimal place.
To require that the whole string is a number of this form, wrap the expression in start and end tags such as (in Perl's form):
^\d+(\.\d{1,2})?$
To match numbers without a leading digit be...
How to get “wc -l” to print just the number of lines without file name?
outputs number of lines and file name.
9 Answers
9
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jQuery and TinyMCE: textarea value doesn't submit
I am using jQuery and TinyMCE to submit a form, but there is a problem in serialization in that the Textarea value doesn't post.
...
Python dictionary from an object's fields
...class Foo(object):
...
Also, there's a difference between an 'object' and a 'class'. To build a dictionary from an arbitrary object, it's sufficient to use __dict__. Usually, you'll declare your methods at class level and your attributes at instance level, so __dict__ should be fine. For exampl...
Why is it OK to return a 'vector' from a function?
...a copy of the return value actually (available at least with the current standard).
– πάντα ῥεῖ
Feb 9 '15 at 20:46
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Use basic authentication with jQuery and Ajax
...
Won't this leave the username and password out in the open for anyone to see ? Even if its in base64 they can just decode it. Same with the answer below.
– cbron
Aug 13 '14 at 17:32
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NullPointerException in Java with no StackTrace
...interException) occurs for the first time, the full stack trace is printed and the JVM remembers the stack trace (or maybe just the location of the code). When that exception occurs often enough, the stack trace is not printed anymore, both to achieve better performance and not to flood the log with...
Error message 'Unable to load one or more of the requested types. Retrieve the LoaderExceptions prop
...pplication using Entity Framework , SQL Server 2000, Visual Studio 2008 and Enterprise Library.
35 Answers
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Callback after all asynchronous forEach callbacks are completed
...=== array.length) {
callback();
}
});
});
(thanks to @vanuan and others) This approach guarantees that all items are processed before invoking the "done" callback. You need to use a counter that gets updated in the callback. Depending on the value of the index parameter does not provid...
Django - what is the difference between render(), render_to_response() and direct_to_template()?
Whats the difference (in language a python/django noob can understand) in a view between render() , render_to_response() and direct_to_template() ?
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