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Why doesn't django's model.save() call full_clean()?
...orms with excluded fields, models with default values, pre_save() signals, etc.
Sources you might be intrested in:
http://code.djangoproject.com/ticket/13100
http://groups.google.com/group/django-developers/browse_frm/thread/b888734b05878f87
...
NSNotificationCenter addObserver in Swift
...velDidChange, .UIApplicationDidFinishLaunching, .UITextFieldTextDidChange, etc.
You can extend Notification.Name with your own custom notifications in order to stay consistent with the system notifications:
// Definition:
extension Notification.Name {
static let yourCustomNotificationName = No...
Regular expression to allow spaces between words
...
Nice Regex, much simpler then a lot of [0-9a-z] etc
– George
Jul 6 '16 at 1:16
I found in m...
Python: Tuples/dictionaries as keys, select, sort
... 'blue'])
for k in blue_fruit:
print k[0], data[k] # prints 'banana 24', etc
Sorting works because tuples have natural ordering if their components have natural ordering.
With keys as rather full-fledged objects, you just filter by k.color == 'blue'.
You can't really use dicts as keys, but yo...
VC DDE（Dynamic Data Exchange）与EXCEL连接 - C/C++ - 清泛网 - 专注C/C++及内核技术
...遇到需要通过VC数据处理，并实时监测中间以及最终数据的方式，由于数据量大，并且现有的WINDOWS下现实界面都不能很好的实时显示。WINDOWS DDE功能可能实现项目这个需求。项目中遇到需要通过VC数据处理，并实时监测中间以及...
Queue.Queue vs. collections.deque
...ation.
In fact the heavy usage of an extra mutex and extra method ._get() etc. method calls in Queue.py is due to backwards compatibility constraints, past over-design and lack of care for providing an efficient solution for this important speed bottleneck issue in inter-thread communication. A lis...
How do I check if a list is empty?
...already an array, or wraps your input into an array if it's a list, tuple, etc., and optionally converts it to your chosen dtype. So it's very quick whenever it can be, and it ensures that you just get to assume the input is a NumPy array. We usually even just use the same name, as the conversion ...
mysqli or PDO - what are the pros and cons? [closed]
...nted aspect, the prepared statements, the fact that it becomes a standard, etc. But I know that most of the time, convincing somebody works better with a killer feature. So there it is:
A really nice thing with PDO is you can fetch the data, injecting it automatically in an object. If you don't wan...
Loop through an array of strings in Bash?
... glob it'll be expanded, if it contains a tab it'll be changed to a space, etc.
– Charles Duffy
Jul 9 '16 at 15:02
...
Conditional compilation and framework targets
...e combined with Jeremy's to keep it at one place rather than Debug|Release etc.
For me, combining both variations works best i.e. including conditions in code using #if NETXX and also building for different framework versions in one go.
I have these in my .csproj file:
<PropertyGroup>
...