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Why is “import *” bad?
...f into your namespace (might shadow some other object from previous import and you won't know about it).
Because you don't know exactly what is imported and can't easily find from which module a certain thing was imported (readability).
Because you can't use cool tools like pyflakes to statically ...
JavaScript private methods
... every object instance, it creates a separate function bound to the object and not the class. Also, this does not get garbage collected until the object itself is destroyed.
– Arindam
Feb 6 '12 at 22:37
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Prevent scrolling of parent element when inner element scroll position reaches top/bottom? [duplicat
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It's possible with the use of Brandon Aaron's Mousewheel plugin.
Here's a demo: http://jsbin.com/jivutakama/edit?html,js,output
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What is the difference between a pseudo-class and a pseudo-element in CSS?
... always consists of a "colon" (:) followed by the name of the pseudo-class and optionally by a value between parentheses.
Pseudo-classes are allowed in all sequences of simple selectors contained in a selector. Pseudo-classes are allowed anywhere in sequences of simple selectors, after the lead...
Using npm behind corporate proxy .pac
...pm config set proxy "http://domain%5Cusername:password@servername:port/"
and with this the proxy access was fixed.
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log4net vs. Nlog
...I researched, ran through tutorials, made toy apps, etc. on Log4Net, NLog, and Enterprise Library for a few days. Came back 3-4 weeks later and put them together into a cohesive demo. Hopefully some of this is useful to you.
My recommendation for our project is this:
Use a logging facade (e.g. ...
Two versions of python on linux. how to make 2.7 the default
...'t actually want to change your default Python.
Your distro installed a standard system Python in /usr/bin, and may have scripts that depend on this being present, and selected by #! /usr/bin/env python. You can usually get away with running Python 2.6 scripts in 2.7, but do you want to risk it?
O...
How long do browsers cache HTTP 301s?
... new ones.
You can verify this at least in Firefox by going to about:cache and finding it under disk cache. It works this way in other browsers including Chrome and the Chromium based Edge, though they don't have an about:cache for inspecting the cache.
In all browsers it is still possible to overr...
Begin, Rescue and Ensure in Ruby?
I've recently started programming in Ruby, and I am looking at exception handling.
7 Answers
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Ubuntu rails install fails on zlib
...0 as my dev box; it's my first serious foray into Linux as a daily-use OS, and I'm having a hard time getting Rails going. I have followed a number of tutorials which all seem to work fine, but when I try and use gem install or gem update on anything, I get an error that looks like this:
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