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How do I calculate square root in Python?
...ethod can be computed as: sqrt = x**(float(1)/2)
– VM_AI
Sep 28 '18 at 10:41
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Identify if a string is a number
...ld use double.TryParse, since we want to know if it represents a number at all.
– John Gietzen
May 21 '09 at 18:31
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Django - how to create a file and save it to a model's FileField?
...nt to have a look at FileField and FieldFile in the Django docs, and especially FieldFile.save().
Basically, a field declared as a FileField, when accessed, gives you an instance of class FieldFile, which gives you several methods to interact with the underlying file. So, what you need to do is:
s...
Is it bad practice to have a constructor function return a Promise?
...create and initialize a new instance. It should set up data structures and all instance-specific properties, but not execute any tasks. It should be a pure function without side effects if possible, with all the benefits that has.
What if I want to execute things from my constructor?
That shou...
Generating Guids in Ruby
I have problem that is really easily solved with Guids.
10 Answers
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How do I find all files containing specific text on Linux?
I'm trying to find a way to scan my entire Linux system for all files containing a specific string of text. Just to clarify, I'm looking for text within the file, not in the file name.
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How to access route, post, get etc. parameters in Zend Framework 2
...gt;fromFiles('paramname'); // From file being uploaded
Default values
All of these methods also support default values that will be returned if no parameter with the given name is found.
Example:
$orderBy = $this->params()->fromQuery('orderby', 'name');
When visiting http://example.com/?...
How to write URLs in Latex? [closed]
... Is there a way to escape special characters like & or _ automatically, when its part of the url? Those characters are often getting used in URLs as separator for dynamic values.
– gies0r
Mar 12 '19 at 23:56
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javac : command not found
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yes, i am sure. just look at the java-1.6.0-openjdk.x86_64 package information (scroll to the "Files" section) and see that there is no javac in that package. and then look at the OpenJDK Development Environment package.
– ax.
Mar 23 '11 at ...
.rar, .zip files MIME Type
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actually there's another MIME TYPE for zip, and that's: application/x-zip-compressed
– Kiyarash
Oct 6 '14 at 19:21
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