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How to create a MySQL hierarchical recursive query
... 1 |
| 3 | TUBE | 2 |
| 4 | LCD | 2 |
| 5 | PLASMA | 2 |
| 6 | PORTABLE ELECTRONICS | 1 |
| 7 | MP3 PLAYERS | 6 |
| 8 | FLASH | 7 |
| ...
How exactly does CMake work?
... is not how the system is supposed to be used.
In a nutshell: Instead of
cd <source_dir>
cmake .
always use
cd <build_dir_different_from_source_dir>
cmake <source_dir>
instead. I usually use an empty subfolder build inside my source directory as build directory.
To ease you...
How to pull request a wiki page on GitHub?
...test OREPO wiki, you may do the following:
$ git clone [OREPO].wiki.git
$ cd [OREPO].wiki.git
# squashing all FREPO changes
$ git pull [FREPO].wiki.git master
$ git push origin master
If OREPO wiki is ahead of where FREPO forked from, do the following:
$ git clone [OREPO].wiki.git
$ cd [OREPO]...
How to extract a git subdirectory and make a submodule out of it?
... versions of git):
git clone https://github.com/apenwarr/git-subtree.git
cd git-subtree
sudo rsync -a ./git-subtree.sh /usr/local/bin/git-subtree
Or if you want the man pages and all
make doc
make install
Usage
Split a larger into smaller chunks:
# Go into the project root
cd ~/my-project
...
What are good examples of genetic algorithms/genetic programming solutions? [closed]
...o, gcc, cmake, make
darcs clone --lazy http://www.mempko.com/darcs/neural/
cd neural
cmake .
make
cd demos/eaters
./eaters
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How does a public key verify a signature?
... 31c0 f70d 7ed2 088d 9675 801c fb9b 4f95 1...~....u....O.
00000010: c936 8cd0 0cc4 9159 33c4 9625 d752 5b77 .6.....Y3..%.R[w
00000020: 5bfc 988d 19fe d790 b633 191f 50cf 1bf7 [........3..P...
00000030: 34c0 7788 efa2 4967 848f 99e2 a442 91b9 4.w...Ig.....B..
00000040: 5fc7 6c79 40ea d0bc 6cd4 3c...
What resources exist for Database performance-tuning? [closed]
...Oracle database, this guide may also help.
http://download.oracle.com/docs/cd/B28359_01/server.111/b28274/toc.htm
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How to create new folder? [duplicate]
... except OSError:
pass
# let exception propagate if we just can't
# cd into the specified directory
os.chdir(whatever)
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How to set default vim colorscheme
...
Your .vimrc file goes in your $HOME directory. In *nix, cd ~; vim .vimrc. The commands in the .vimrc are the same as you type in ex-mode in vim, only without the leading colon, so colo evening would suffice. Comments in the .vimrc are indicated with a leading double-quote.
To s...
Is there a math nCr function in python? [duplicate]
...sage:
>>> import itertools
>>> itertools.combinations('abcd',2)
<itertools.combinations object at 0x01348F30>
>>> list(itertools.combinations('abcd',2))
[('a', 'b'), ('a', 'c'), ('a', 'd'), ('b', 'c'), ('b', 'd'), ('c', 'd')]
>>> [''.join(x) for x in itertoo...