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Random strings in Python
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Generating strings from (for example) lowercase characters:
import random, string
def randomword(length):
letters = string.ascii_lowercase
return ''.join(random.choice(letters) for i in range(length))
Results:
>>> randomword...
How to determine whether a given Linux is 32 bit or 64 bit?
... I have a 32 bit kernel on 64 bit hardware and get "x86_64" from 'uname -m' (on Debian). The man page for uname says that -m shows the machine hardware name, so that seems correct.
– Tony Meyer
Sep 4 '09 at 20:33
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Pinging servers in Python
...return true (on Windows) if you get a "destination host unreachable" reply from a different host.
– ikrase
Dec 29 '16 at 20:11
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How to read from standard input in the console?
I would like to read standard input from the command line, but my attempts have ended with the program exiting before I'm prompted for input. I'm looking for the equivalent of Console.ReadLine() in C#.
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How can I install MacVim on OS X?
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Step 1. Install homebrew from here: http://brew.sh
Step 1.1. Run export PATH=/usr/local/bin:$PATH
Step 2. Run brew update
Step 3. Run brew install vim && brew install macvim
Step 4. Run brew link macvim
You now have the latest versions of v...
Android Studio: Default project directory
... Settings > Project Opening > Default Directory
Open 'Preferences'
Select System Settings -> Project Opening
Set 'Default Directory' where you want.
It worked for me. I tried Android Studio 3.5.
share
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Static linking vs dynamic linking
...amic linking, because their memory is small enough to make the RAM savings from dynamic linking very attractive. Full blown consumer PCs have, as Mark notes, enormous resources, and you can probably let the convenience issues drive your thinking on this matter.
To address the performance and effi...
Error executing command 'ant' on Mac OS X 10.9 Mavericks when building for Android with PhoneGap/Cor
...anagers, the problem can simply be fixed by downloading the binary release from the apache ANT web site and adding the binary to your system PATH.
For example, on Mountain Lion, in ~/.bash_profile and ~/.bashrc my path was setup like this:
export ANT_HOME="/usr/share/ant"
export PATH=$PATH:$ANT_...
How do I use JDK 7 on Mac OSX?
...it helps.
I Downloaded the latest OpenJDK 1.7 universal (32/64 bits) JDK
from Mac OS/X branch from http://www.oracle.com/technetwork/java/javase/downloads/jdk7-downloads-1880260.html
copied the jdk to /Library/Java/JavaVirtualMachines/ next to the
default 1.6.0 one
In Eclipse > Preferences >...
How far can memory leaks go?
...you unload the program.
So you can consider this to be another case apart from OSes not reclaiming memory either because it's buggy or because the embedded OS is designed to do so.
I remember one more example. Customer Information Control System (CICS), a transaction server which runs primarily on...