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What is the difference between an int and a long in C++?
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Some compilers even have flags that allow you to modify the default size of int and long ie force them to 8 or 16 etc. See you compiler documentation for details.
– Martin York
Nov 7 '08 at 17:27
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How to install latest version of git on CentOS 7.x/6.x
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You can use WANDisco's CentOS repository to install Git 2.x: for CentOS 6, for CentOS 7
Install WANDisco repo package:
yum install http://opensource.wandisco.com/centos/6/git/x86_64/wandisco-git-release-6-1.noarch.rpm
- or -
yum install http://opensource.wandisco.com/ce...
Which Eclipse version should I use for an Android app?
... to download the Android SDK bundle:
http://developer.android.com/sdk/installing/bundle.html
The ADT Bundle provides everything you need to start developing apps,
including a version of the Eclipse IDE with built-in ADT (Android
Developer Tools) to streamline your Android app development.
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How to repeat last command in python interpreter shell?
...n startup file
import readline
import rlcompleter
import atexit
import os
# tab completion
readline.parse_and_bind('tab: complete')
# history file
histfile = os.path.join(os.environ['HOME'], '.pythonhistory')
try:
readline.read_history_file(histfile)
except IOError:
pass
atexit....
How do I return multiple values from a function? [closed]
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Well, the design rationale for namedtuple is having a smaller memory footprint for mass results (long lists of tuples, such as results of DB queries). For individual items (if the function in question is not called often) dictionaries and classes are just fine as well. But namedtu...
How to install Android SDK Build Tools on the command line?
... the build tools in the list. They're in the "obsolete" category. To see all available downloads, use
android list sdk --all
And then to get one of the packages in that list from the command line, use:
android update sdk -u -a -t <package no.>
Where -u stands for --no-ui, -a stands fo...
How do I update zsh to the latest version?
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If you have Homebrew installed, you can do this.
# check the zsh info
brew info zsh
# install zsh
brew install --without-etcdir zsh
# add shell path
sudo vim /etc/shells
# add the following line into the very end of the file(/etc/shells)
/usr/loc...
What is the correct file extension for GLSL shaders? [closed]
...g which identifies the general class of a file. They should have probably called them vertex.glsl and fragment.glsl.
– Autodidact
Oct 11 '13 at 14:39
5
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Bash Script : what does #!/bin/bash mean? [duplicate]
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That is called a shebang, it tells the shell what program to interpret the script with, when executed.
In your example, the script is to be interpreted and run by the bash shell.
Some other example shebangs are:
(From Wikipedia)
#...
How to delete a specific line in a file?
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First, open the file and get all your lines from the file. Then reopen the file in write mode and write your lines back, except for the line you want to delete:
with open("yourfile.txt", "r") as f:
lines = f.readlines()
with open("yourfile.txt", "w"...