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How to count the number of files in a directory using Python
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os.listdir() will be slightly more efficient than using glob.glob. To test if a filename is an ordinary file (and not a directory or other entity), use os.path.isfile():
import os, os.path
# simple version for working with CWD...
How to check 'undefined' value in jQuery
...y.
However if you need to check a variable against undefined value, there is no need to invent any special method, since JavaScript has a typeof operator, which is simple, fast and cross-platform:
if (typeof value === "undefined") {
// ...
}
It returns a string indicating the type of the var...
Initializing select with AngularJS and ng-repeat
...ected. It also has an empty option, which I don't want. I think that there is a side effect of nothing being selected.
6 An...
How can I run just the statement my cursor is on in SQL Server Management Studio?
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You can check out this add-in for SSMS 2012. Place the cursor within the statement you want to execute and press CTRL+SHIFT+E
SSMS Executor - https://github.com/devvcat/ssms-executor/releases
Update:
Project moved to github and the addin re-wr...
What does “WARN Could not determine content-length of response body.” mean and how to I get rid of i
Since upgrading to Rails 3.1 I'm seeing this warning message in my development log:
9 Answers
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Can I call jquery click() to follow an link if I haven't bound an event handler to it with bind
...ulate clicking a link to go to another page once the time elapses. To do this I'm using jQuery's click() function. I have used $().trigger() and window.location also, and I can make it work as intended with all three.
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Do I need to convert .CER to .CRT for Apache SSL certificates? If so, how?
...f file.
But the way that Windows handles them when you double-click them is about the only difference between the two. Both extensions just represent that it contains a public certificate. You can rename a certificate file to use one extension in place of the other in any system or configuration f...
Why are Python lambdas useful? [closed]
I'm trying to figure out Python lambdas. Is lambda one of those "interesting" language items that in real life should be forgotten?
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How to break/exit from a each() function in JQuery? [duplicate]
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edited Jul 24 '19 at 14:03
Poutrathor
1,70522 gold...
Conceptually, how does replay work in a game?
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edited Jun 17 '10 at 18:31
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