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How to know if an object has an attribute in Python
...P) rather than "look before you leap" (LBYL). See these references:
EAFP vs LBYL (was Re: A little disappointed so far)
EAFP vs. LBYL @Code Like a Pythonista: Idiomatic Python
ie:
try:
doStuff(a.property)
except AttributeError:
otherStuff()
... is preferred to:
if hasattr(a, 'property...
Symbolic link to a hook in git
...
Utilizing Michael Cihar's comment, here is an example of a bash script I wrote to simply create these symlinks. This script is located in git_hooks/ dir which is at the project root. My .git/ folder is also in the same directory level.
#!/usr/bin/env bash
pwd=$(pwd);
# Script is desi...
What is a callback function?
...le. //The item is a callback function $("#btn_1").click(function() { alert("Btn 1 Clicked"); }); As you see in the preceding example, we pass a function as a parameter to the click method for it to execute –
– MarcoZen
Apr 22 '15 at 16:26
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Getting “Warning! PATH is not properly set up” when doing rvm use 2.0.0 --default
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The answer was to put this:
[[ -s "$HOME/.rvm/scripts/rvm" ]] && source "$HOME/.rvm/scripts/rvm"
# Load RVM into a shell session *as a function*
**at the BOTTOM** (last line - important!) of my .bashrc file. I had it in my .bash_profile file (I am on Ubuntu) ...
Best way to initialize (empty) array in PHP
...PHP 5.4. From a performance perspective however there's no advantage to [] vs. array().
– Tom Auger
Jan 8 '15 at 14:45
1
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Can you call Directory.GetFiles() with multiple filters?
...performance boost (What is the difference between Directory.EnumerateFiles vs Directory.GetFiles?)
"IgnoreCase" should be faster than "ToLower" (.EndsWith("aspx", StringComparison.OrdinalIgnoreCase) rather than .ToLower().EndsWith("aspx"))
But the real benefit of EnumerateFiles shows up when you s...
Adjust width of input field to its input
This is my code and it is not working. Is there any other way in HTML, JavaScript, PHP or CSS to set minimum width?
26 Answ...
Is there a way to change the environment variables of another process in Unix?
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You've got a shell script running; you want to change the environment in your shell script's parent process...so the shell script launches gdb on the parent process and is scripted into do making the change, and it works without crashing the pa...
SQL Server Script to create a new user
I want to write a script to create a admin user ( with abcd password ) in SQL Server Express.
Also I want to assign this user admin full rights.
...
Moving from CVS to Git: $Id$ equivalent?
... personal code, therefore no collaboration with others.
I keep system Bash scripts in there which might go into /usr/local/bin when they are ready.
I use three separate machines with the same Git repository on it. It would be nice to know what "version" of the file I have currently in /usr/local/b...