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Getting current device language in iOS?
...evice - not the currently selected language. These are often one and the same. However, if I am in North America and I set my language to Japanese, my region will still be English (United States). In order to retrieve the currently selected language, you can do:
NSString * language = [[NSLocale pre...
Is there a portable way to print a message from the C preprocessor?
I would like to be able to do something like
7 Answers
7
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How do I make many-to-many field optional in Django?
When you have a many-to-many relationship ( related_name , not through ) and you are trying to use the admin interface you are required to enter one of the relationships even though it does not have to exist for you to create the first entry.
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CSS selector with period in ID
...er digging through all the specs writing the question, I read through it some more and found there is an escape character. I've never needed it before, but the CSS spec does allow for backslash (\) escaping like most languages. What do you know?
So in my example, the following rule would match:
#s...
What does “Protocol … can only be used as a generic constraint because it has Self or associated typ
...ctually a HashSet ) keyed on a custom protocol in Swift, but it is giving me the error in the title:
2 Answers
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How do you access command line arguments in Swift?
How do you access command line arguments for a command line application in Swift?
6 Answers
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Why should I prefer to use member initialization lists?
I'm partial to using member initialization lists with my constructors... but I've long since forgotten the reasons behind this...
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How to step through Python code to help debug issues?
...b myscript.py.
There are a few commands you can then issue, which are documented on the pdb page.
Some useful ones to remember are:
b: set a breakpoint
c: continue debugging until you hit a breakpoint
s: step through the code
n: to go to next line of code
l: list source code for the current file...
How do you change text to bold in Android?
...tStyle
Examples:
android:textStyle="bold|italic"
Programmatically the method is:
setTypeface(Typeface tf)
Sets the typeface and style in which the text should be displayed. Note that not all Typeface families actually have bold and italic variants, so you may need to use setTypeface(Typeface...
Rails create or update magic?
...tores generic serialised objects indexed by key. I want this class to implement a create_or_update method. If an object is found it will update it, otherwise it will create a new one.
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