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AttributeError: 'module' object has no attribute
...do it is to import them within a function:
# In b.py:
def cause_a_to_do_something():
import a
a.do_something()
Now a.py can safely do import b without causing problems.
(At first glance it might appear that cause_a_to_do_something() would be hugely inefficient because it does an import e...
How to move child element from one parent to another using jQuery [duplicate]
...r of records to display dropdown (.dataTables_length) from their parent element (.dataTables_wrapper) to another div on my page without losing any registered javascript behavior. For instance the search box has a function attached to the 'keyup' event and I want to keep that intact.
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How can I preview a merge in git?
I have a git branch (the mainline, for example) and I want to merge in another development branch. Or do I?
11 Answers
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How to validate an email address in JavaScript
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This doesn't even accept the examples in RFC 822. Some simple cases it doesn't match a\@b@c.com, a(b)@c.com. See the RFC for more. Here's a regex that won't reject any valid addresses [^@]+@[^@]+\.[^@]+ and protects against common errors.
– Vroo
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Android 4.3 Bluetooth Low Energy unstable
... Android 4.3, I have noticed that after I connect a device for the first time I am rarely able to successfully connect to / communicate with that device or any other device again.
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Start/Stop and Restart Jenkins service on Windows
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Loading Backbone and Underscore using RequireJS
...e, Underscore automatically registers itself as a module, but Backbone assumes Underscore is available globally. I should also note that Backbone doesn't seem to register itself as a module which makes it kind of inconsistent with the other libs. This is the best main.js I could come up with that wo...
Caching a jquery ajax response in javascript/browser
...GET and HEAD request.
You could roll your own solution as you said with something along these lines :
var localCache = {
data: {},
remove: function (url) {
delete localCache.data[url];
},
exist: function (url) {
return localCache.data.hasOwnProperty(url) && ...
Regular expression for letters, numbers and - _
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The pattern you want is something like (see it on rubular.com):
^[a-zA-Z0-9_.-]*$
Explanation:
^ is the beginning of the line anchor
$ is the end of the line anchor
[...] is a character class definition
* is "zero-or-more" repetition
Note that ...
How to write Unicode characters to the console?
...OutputEncoding = System.Text.Encoding.UTF8;
(MSDN link to supporting documentation.)
And here's a little console test app you may find handy:
C#
using System;
using System.Text;
public static class ConsoleOutputTest {
public static void Main() {
Console.OutputEncoding = System.Text...