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django MultiValueDictKeyError error, how do I deal with it
I'm trying to save a object to my database, but it's throwing a MultiValueDictKeyError error.
7 Answers
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Remove a HTML tag but keep the innerHtml
...ts() to target the text content of the <b>, then .unwrap() to remove its parent <b> element.
For the greatest performance, always go native:
var b = document.getElementsByTagName('b');
while(b.length) {
var parent = b[ 0 ].parentNode;
while( b[ 0 ].firstChild ) {
par...
Fastest way to check if a string matches a regexp in ruby?
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Starting with Ruby 2.4.0, you may use RegExp#match?:
pattern.match?(string)
Regexp#match? is explicitly listed as a performance enhancement in the release notes for 2.4.0, as it avoids object allocations performed by other methods s...
How do you search for files containing DOS line endings (CRLF) with grep on Linux?
I want to search for files containing DOS line endings with grep on Linux. Something like this:
9 Answers
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LLVM C++ IDE for Windows
Is there some C/C++ IDE for Windows, which is integrated with the LLVM compiler (and Clang C/C++ analyzer), just like modern Xcode do.
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Design patterns to avoid [closed]
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Patterns are complex
All design patterns should be used with care. In my opinion you should refactor towards patterns when there is a valid reason to do so instead of implementing a pattern right away. The general problem with using patterns is that they add complexity. Overuse of ...
Disable Rails SQL logging in console
...ble SQL query logging when I'm executing commands in the console? Ideally, it would be great if I can just disable it and re-enable it with a command in the console.
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How to set commands output as a variable in a batch file
Is it possible to set a statement's output of a batch file to a variable, for example:
7 Answers
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CSRF Token necessary when using Stateless(= Sessionless) Authentication?
Is it necessary to use CSRF Protection when the application relies on stateless authentication (using something like HMAC)?
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ImportError: numpy.core.multiarray failed to import
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I was getting the same error and was able to solve it by updating my numpy installation to 1.8.0:
pip install -U numpy
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