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AngularJS sorting by property
...'s rows in the filter e.g. for(var objectKey in input) { input[objectKey]['_key'] = objectKey; array.push(input[objectKey]); } Like that we can use <div ng-repeat="value in object | orderObjectBy:'order'" ng-init="key = value['_key']">
– Nicolas Janel
Jul...
What's the recommended approach to resetting migration history using Django South?
...r appname/migrations/
./manage.py reset south
./manage.py convert_to_south appname
(Notice that the “reset south” part clears migration records for ALL apps, so make sure you either run the other two lines for all apps or delete selectively).
The convert_to_south call at th...
Easiest way to open a download window without navigating away from the page
...for IE6 or not, but this prompts OpenFileDialog in FF and Chrome.
var file_path = 'host/path/file.ext';
var a = document.createElement('A');
a.href = file_path;
a.download = file_path.substr(file_path.lastIndexOf('/') + 1);
document.body.appendChild(a);
a.click();
document.body.removeChild(a);
...
How do I decode HTML entities in Swift?
...ter entity reference to character
// From http://en.wikipedia.org/wiki/List_of_XML_and_HTML_character_entity_references
private let characterEntities : [ Substring : Character ] = [
// XML predefined entities:
"&quot;" : "\"",
"&amp;" : "&",
"&apos;" : "'",
...
Contains method for a slice
...st, but is trivial to write:
func contains(s []int, e int) bool {
for _, a := range s {
if a == e {
return true
}
}
return false
}
You can use a map if that lookup is an important part of your code, but maps have cost too.
...
Create list of single item repeated N times
... mutable empty list, set, or dict, you should do something like this:
list_of_lists = [[] for _ in columns]
The underscore is simply a throwaway variable name in this context.
If you only have the number, that would be:
list_of_lists = [[] for _ in range(4)]
The _ is not really special, but y...
How to raise a ValueError?
...trates how to raise a ValueError the way you want. By-the-way, I think find_last(), find_last_index(), or something simlar would be a more descriptive name for this function. Adding to the possible confusion is the fact that Python already has a container object method named __contains__() that does...
What does it mean for a data structure to be “intrusive”?
...
boost.org/doc/libs/1_45_0/doc/html/intrusive.html has examples and a good description of pros and cons.
– Tony Delroy
Feb 16 '11 at 6:37
...
Where is PATH_MAX defined in Linux?
Which header file should I invoke with #include to be able to use PATH_MAX as an int for sizing a string?
5 Answers
...
Is “double hashing” a password less secure than just hashing it once?
...lled "key strengthening" or "key stretching". See en.wikipedia.org/wiki/Key_stretching
– user41871
Dec 7 '08 at 22:40
17
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