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How to tell if a tag failed to load
... };
var fail = function () {
if (!scriptTag.__es) {
scriptTag.__es = true;
scriptTag.id = 'failed';
args.failure(scriptTag);
}
};
scriptTag.onload = function () {
...
Pass a parameter to a fixture function
...ata during the tests and do more processing afterwards. As I have many test_... files I want to reuse the tester object creation (instance of MyTester) for most of my tests.
...
How can I select and upload multiple files with HTML and PHP, using HTTP POST?
...nctype="multipart/form-data">
<input type="file" name="my_file[]" multiple>
<input type="submit" value="Upload">
</form>
<?php
if (isset($_FILES['my_file'])) {
$myFile = $_FILES['my_file'];
$f...
What is the best AJAX library for Django? [closed]
... the Django world and is what I personally use. Most notably, many of the apps in Pinax require jQuery. Some other shared apps and code snippets for Django:
http://www.djangosnippets.org/tags/jquery/
http://code.google.com/p/django-ajax-validation/
http://code.google.com/p/django-todo/
http://cod...
SQL Add foreign key to existing column
...rst and then re-run the statement.
ALTER TABLE Employees
ADD CONSTRAINT FK_ActiveDirectories_UserID FOREIGN KEY (UserID)
REFERENCES ActiveDirectories(id);
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...
Finding the index of an item in a list
...atch, you can give index a hint. For instance, in this snippet, l.index(999_999, 999_990, 1_000_000) is roughly five orders of magnitude faster than straight l.index(999_999), because the former only has to search 10 entries, while the latter searches a million:
>>> import timeit
>>&g...
How do you round a floating point number in Perl?
...foreach my $i ( 0.5, 1.5, 2.5, 3.5 ) {
printf "$i -> %.0f\n", $i;
}
__END__
0.5 -> 0
1.5 -> 2
2.5 -> 2
3.5 -> 4
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...
Is arr.__len__() the preferred way to get the length of an array in Python?
...
my_list = [1,2,3,4,5]
len(my_list)
# 5
The same works for tuples:
my_tuple = (1,2,3,4,5)
len(my_tuple)
# 5
And strings, which are really just arrays of characters:
my_string = 'hello world'
len(my_string)
# 11
It was in...
Regex to Match Symbols: !$%^&*()_+|~-=`{}[]:";'?,./
...l character in character classes, so it needs to be first:
/[-!$%^&*()_+|~=`{}\[\]:";'<>?,.\/]/
You also need to escape the other regular expression metacharacters.
Edit:
The hyphen is special because it can be used to represent a range of characters. This same character class can be ...
Vagrant error: NFS is reporting that your exports file is invalid
... versions of VirtualBox and Vagrant noted in Discourse as Your First Rails App:
Vagrant 1.1.2
VirtualBox 4.2.10
I was having the same issue on Mac (OS X 10.9 (Mavericks)), but rolling back to these versions seemed to fix it for me.
...