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Delete column from SQLite table
...the columns, whereas something like the accepted answer seems to result in all columns to be of type TEXT.
– Uwe Keim
Jul 10 '17 at 15:05
2
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apt-get for Cygwin?
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apt-cyg orks really well. Just installed rsync, openssh, mc and others.
– Jako
Feb 14 '13 at 0:51
9
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Error to run Android Studio
I have installed Android Studio and I followed all steps described here
17 Answers
17...
Circle line-segment collision detection algorithm?
... exdx + eydy - dxh - dyk ) +
ex2 + ey2 -
2exh - 2eyk + h2 + k2 - r2 = 0
Finally,
t2( _d * _d ) + 2t( _e * _d - _d * _c ) + _e * _e - 2( _e*_c ) + _c * _c - r2 = 0
*Where _d is the vector d and * is the dot product.*
And then,
t2( _d * _d ) + 2t( _d * ( _e - _c ) ) + ( _e - _c ) * ( _e - _c ) - r2 = ...
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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When should I use double or single quotes in JavaScript?
...his is very relevant when working with jQuery.ajax calling into an ASP.NET service (Web Service, Page Method, or MVC).
– Schmuli
Mar 3 '11 at 11:46
102
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In Django - Model Inheritance - Does it allow you to override a parent model's attribute?
...ld instances (at least,
not at the moment). If a base class has a field called author, you
cannot create another model field called author in any class that
inherits from that base class.
share
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How to determine whether a given Linux is 32 bit or 64 bit?
...wk '{print $2}'
Note: you can have a 64-bit CPU with a 32-bit kernel installed.
(as ysdx mentions in his/her own answer, "Nowadays, a system can be multiarch so it does not make sense anyway. You might want to find the default target of the compiler")
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In-memory size of a Python structure
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Yep. The "4 higher" actually mostly look like "rounding up to a multiple of 8" which I believe is correct for the way malloc behaves here. No idea why decimal gets so distorted (with pympler on 2.6, too).
– Alex Martelli
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Disable assertions in Python
...trate each.
For the whole process
Using the -O flag (capital O) disables all assert statements in a process.
For example:
$ python -Oc "assert False"
$ python -c "assert False"
Traceback (most recent call last):
File "<string>", line 1, in <module>
AssertionError
Note that by di...