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Sending a message to nil in Objective-C
...ethods all return 0 when you've got a nil value, so you do not have to add extra checks for nil all over:
if ( [myString length] > 0 )
or this:
return [myArray count]; // say for number of rows in a table
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Iterate over object attributes in python
...its member of type B. __repr__(), as I understand, is supposed to return a string. But when I call vars(a), it seems like it would make sense for this call to return a nested dict, instead of a dict with a string representation of B.
– plafratt
Apr 19 at 19:25
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Convert a String In C++ To Upper Case
How could one convert a string to upper case. The examples I have found from googling only have to deal with chars.
29 Answ...
newline in [duplicate]
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It displays <br> as text string in Chrome.
– TMa
Apr 27 '15 at 9:56
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Setting onClickListener for the Drawable right of an EditText [duplicate]
...= drawableLeft.getBounds();
int x, y;
int extraTapArea = (int) (13 * getResources().getDisplayMetrics().density + 0.5);
x = actionX;
y = actionY;
if (!bounds.contains(actionX, actionY)) {
/** Give...
Rename all files in directory from $filename_h to $filename_half?
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Nice use of bash's built-in string replacement rather than sed
– dandrews
Aug 5 '12 at 18:48
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Best practice for embedding arbitrary JSON in the DOM?
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This wouldn't work for a single string, e.g. "I am valid JSON" and using double quotes for the tag, or single quotes with single quotes in the string, e.g. data-unicorns='"My JSON's string"' as single quotes aren't escaped with encoding as JSON.
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Difference between __str__ and __repr__?
...oh I don't know, containing just 4 elements]
Not very. Specifically, the strings in a container would find it way too easy to disturb its string representation. In the face of ambiguity, remember, Python resists the temptation to guess. If you want the above behavior when you’re printing a list,...
What is the most efficient way to store a list in the Django models?
...key relationship to a Friends table? I understand that myFriends are just strings but I would think that a better design would be to create a Friend model and have MyClass contain a foreign key realtionship to the resulting table.
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How does type Dynamic work and how to use it?
... - the concrete implementation is filled-in by the compiler. As for Scalas String Interpolation feature there are well defined rules describing the generated implementation. In fact, one can implement four different methods:
selectDynamic - allows to write field accessors: foo.bar
updateDynamic - ...