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What's the difference between .so, .la and .a library files?
I know an .so file is a kind of dynamic library (lots of threads can share such libraries so there is no need to have more than one copy of it in memory). But what is the difference between .a and .la ? Are these all static libraries?
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Difference between Visibility.Collapsed and Visibility.Hidden
...Width="50" Content="Third"/>
</StackPanel>
Output Collapsed:
Now change the second Label visibility to Hiddden.
<Label Width="50" Content="Second" Visibility="Hidden"/>
Output Hidden:
As simple as that.
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Why doesn't django's model.save() call full_clean()?
I'm just curious if anyone knows if there's good reason why django's orm doesn't call 'full_clean' on a model unless it is being saved as part of a model form.
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Table Naming Dilemma: Singular vs. Plural Names [closed]
...lass Customer {...}
SELECT FROM Customer WHERE CustomerID = 100
Once you know you are dealing with "Customer", you can be sure you will use the same word for all of your database interaction needs.
Reason 5. (Globalization). The world is getting smaller, you may have a team of different nationaliti...
How to make an immutable object in Python?
...ots__:
class A(object):
__slots__ = []
Instances of A are immutable now, since you can't set any attributes on them.
If you want the class instances to contain data, you can combine this with deriving from tuple:
from operator import itemgetter
class Point(tuple):
__slots__ = []
def...
How to modify Github pull request？
...iewed and you need more commits
You push c11,c21,c31 to b
The pull request now shows all 6 six commits
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Differences in auto-unboxing between Java 6 vs Java 7
...lementation of JSR 292 (Dynamically Typed Languages).
Java autoboxing has now some more traps and surprises. For example
Object obj = new Integer(1234);
long x = (long)obj;
will compile, but fail (with ClassCastException) at runtime. This, instead, will work:
long x = (long)(int)obj;
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Jasmine.js comparing arrays
...yTheEntity "The addMatchers function is no longer on the spec (this) it is now on the global jasmine object." - see Jasmine docs
– rwisch45
May 1 '16 at 10:46
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When to use references vs. pointers
...t is improperly named. add_one(&a) would have the same confusion, only now you might be incrementing the pointer and not the object. add_one_inplace(a) would avoid all confusion.
– Nicol Bolas
Aug 14 '11 at 22:19
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jQuery animate backgroundColor
...red for the basic functionality this lib is usually sought after for. It's now 20+kb big. You can select the v1 branch to get the old version (Which still works) but is much lighter weight.
– Aren
Jun 10 '11 at 22:48
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