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Hidden Features of PHP? [closed]
...and getting a reference most of the time is great.
– Allain Lalonde
Sep 14 '08 at 17:46
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This is...
Count number of records returned by group by
...his to DISTINCT COUNT() OVER(), and the query performance improved dramatically.
– Joe Aldrich
Sep 20 '17 at 13:33
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Multiple Models in a single django ModelForm?
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But how? Usually a FormView only has a single form_class assigned to it.
– erikbwork
Oct 7 '16 at 17:42
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What is the easiest way to remove the first character from a string?
... only does one and finishes. Consider gsub like it's a minimum of two sub calls.
Also, it's important to remember that gsub, and sub can also be handicapped by poorly written regex which match much more slowly than a sub-string search. If possible anchor the regex to get the most speed from it. Th...
Node.js Mongoose.js string to ObjectId function
... talentedmrjonestalentedmrjones
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Finding the Eclipse Version Number
I have posted how to find it in Eclipse Gallileo, but if anyone has information on older versions feel free to post it below.
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What is the most accurate way to retrieve a user's correct IP address in PHP?
.... In a few minutes I will update the code.
– Corey Ballou
Jan 9 '10 at 13:37
35
-1 this is vulne...
How do I run Python code from Sublime Text 2?
...bobobobobo
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Algorithm for creating a school timetable
...ere are known solutions for algorithm of creating a school timetable. Basically, it's about optimizing "hour-dispersion" (both in teachers and classes case) for given class-subject-teacher associations. We can assume that we have sets of classes, lesson subjects and teachers associated with each ot...
What's the bad magic number error?
...the pyc file or trying to run a pyc from a different version of python (usually later) than your interpreter.
If they are your pyc files, just delete them and let the interpreter re-compile the py files. On UNIX type systems, that could be something as simple as:
rm *.pyc
or:
find . -name '*.py...
