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When should I use nil and NULL in Objective-C?
...ntions this, but if you dig into objc.h, you'll find the line #define nill __DARWIN_NULL.
– gkb0986
Oct 25 '13 at 3:12
1
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Replacing some characters in a string with another character
...zLMN and I want to replace all the occurrences of x , y , and z with _ .
5 Answers
...
What does enumerate() mean?
What does for row_number, row in enumerate(cursor): do in Python?
5 Answers
5
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How to use the TextWatcher class in Android?
...gered again, starting an infinite loop. You should then add like a boolean _ignore property which prevent the infinite loop.
Exemple:
new TextWatcher() {
boolean _ignore = false; // indicates if the change was made by the TextWatcher itself.
@Override
public void afterTextC...
The tilde operator in Python
...s operator.invert. To support this operator in your own class, give it an __invert__(self) method.
>>> import operator
>>> class Foo:
... def __invert__(self):
... print 'invert'
...
>>> x = Foo()
>>> operator.invert(x)
invert
>>> ~x
invert
Any ...
Complete Working Sample of the Gmail Three-Fragment Animation Scenario?
...le,move]. Notice that fillAfter(true) is not used anywhere.
View2 is right_of View1
and
View3 is right_of View2
Having set these rules RelativeLayout takes care of everything else. Animations alter the margins (on move) and [width,height] on scale
To access each child (so that you can inflat...
TypeScript typed array usage
...
You have an error in your syntax here:
this._possessions = new Thing[100]();
This doesn't create an "array of things". To create an array of things, you can simply use the array literal expression:
this._possessions = [];
Of the array constructor if you want to se...
How do you properly determine the current script directory in Python?
...
os.path.dirname(os.path.abspath(__file__))
is indeed the best you're going to get.
It's unusual to be executing a script with exec/execfile; normally you should be using the module infrastructure to load scripts. If you must use these methods, I suggest ...
How to use timeit module
... you defined earlier during the interactive session by importing them from __main__ in the setup statement:
>>> def f(x):
... return x * x
...
>>> import timeit
>>> timeit.repeat("for x in range(100): f(x)", "from __main__ import f",
number=100000)...
jsonify a SQLAlchemy result set in Flask [duplicate]
...u actually haven't executed your query. Try following:
return jsonify(json_list = qryresult.all())
[Edit]: Problem with jsonify is, that usually the objects cannot be jsonified automatically. Even Python's datetime fails ;)
What I have done in the past, is adding an extra property (like serializ...