大约有 46,000 项符合查询结果(耗时:0.0819秒) [XML]
How do you properly use namespaces in C++?
...utting classes that work together to form a complete object into packages, and then reusing them later from that package. But now I'm working in C++.
...
How was the first compiler written?
I heard about the chicken and the egg and bootstrapping. I have a few questions.
6 Answers
...
Python: Check if one dictionary is a subset of another larger dictionary
...to write a custom filter method that takes an arbitrary number of kwargs and returns a list containing the elements of a database-like list that contain those kwargs .
...
Python date string to date object
....strptime("2015-02-24T13:00:00-08:00", "%Y-%B-%dT%H:%M:%S-%H:%M").date()
and you get:
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/usr/local/lib/python2.7/_strptime.py", line 308, in _strptime
format_regex = _TimeRE_cache.compile(format)
File...
What are best practices for validating email addresses on iOS 2.0
...his modification of DHValidation:
- (BOOL) validateEmail: (NSString *) candidate {
NSString *emailRegex =
@"(?:[a-z0-9!#$%\\&'*+/=?\\^_`{|}~-]+(?:\\.[a-z0-9!#$%\\&'*+/=?\\^_`{|}"
@"~-]+)*|\"(?:[\\x01-\\x08\\x0b\\x0c\\x0e-\\x1f\\x21\\x23-\\x5b\\x5d-\\"
@"x7f]|\\\\[\\x01-\\x09\\x0b\\x0c...
Good open source django project for learning [closed]
...
django-basic-apps is also a very good start to learn django and reusable apps. These apps are simple enough and code is well written.
share
|
improve this answer
|
...
Laravel requires the Mcrypt PHP extension
...
The web enabled extensions and command line enabled extensions can differ. Run php -m in your terminal and check to see if mcrypt is listed. If it's not then check where the command line is loading your php.ini file from by running php --ini from your ...
Unable to Cast from Parent Class to Child Class
...
A simple way to downcast in C# is to serialize the parent and then deserialize it into the child.
var serializedParent = JsonConvert.SerializeObject(parentInstance);
Child c = JsonConvert.DeserializeObject<Child>(serializedParent);
I have a simple console app that casts...
Inline SVG in CSS
...rk nicely is Safari (5.1.4). In Opera 11.62 the gradient is black, in IE 9 and Firefox 12 it's white. In Chrome 19, it works UNLESS you specify the width/height of the SVG in % units. I'd say it's more of an oddity than a real feature. It's a cool find though.
– toniedzwiedz
...
disable nganimate for some elements
..., I want to leverage ngAnimate for some selected elements.
For performance and some bugs in elements that shows and hide very speedy.
...