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javax vs java package
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Yup. I wrote a tool in Visual Cafe to convert between the two (javax and java) before Sun decided to just keep it in the javax package.
– TofuBeer
May 10 '11 at 20:34
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How to initialize a dict with keys from a list and empty value in Python?
...Moreover, defaultdict is a subclass of dict, so there's usually no need to convert back to a regular dictionary.
For workflows where you require controls on permissible keys, you can use dict.fromkeys as per the accepted answer:
d = dict.fromkeys([1, 2, 3, 4])
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How do I apply a diff patch on Windows?
...CR/LF). Try to open the patchfile in a reasonably smart editor and it will convert it for you.
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Python (and Python C API): __new__ versus __init__
...xample, say you wanted to create a subclass of tuple that can contain only integral values between 0 and size.
class ModularTuple(tuple):
def __new__(cls, tup, size=100):
tup = (int(x) % size for x in tup)
return super(ModularTuple, cls).__new__(cls, tup)
You simply can't do t...
What's the simplest way to test whether a number is a power of 2 in C++?
...got, sorry) is adequate. You may want a > 0 test if you're using signed integers.
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How to get instance variables in Python?
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Certain built-in types, such as int. Try saying "x = 5" and then "x.__dict__" and you'll get an AttributeError
– Eli Courtwright
Sep 21 '08 at 5:47
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Reading CSV file and storing values into an array
...ile twice)
You can store values in two List<T> and then use them or convert into an array using List<T>.ToArray()
Very simple example:
var column1 = new List<string>();
var column2 = new List<string>();
using (var rd = new StreamReader("filename.csv"))
{
while (!rd.End...
SearchView's OnCloseListener doesn't work
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Full answer: if (Build.VERSION.SdkInt > BuildVersionCodes.NMr1) item.SetOnActionExpandListener(this); else MenuItemCompat.SetOnActionExpandListener(item, this);
– FindOutIslamNow
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Making an array of integers in iOS
If you want to make an array of integers, can you use NSInteger? Do you have to use NSNumber? If so, then why?
7 Answers
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How can I handle the warning of file_get_contents() function in PHP?
...ce, way at the top (in an included config file, for instance), and it will convert all your errors to Exceptions throughout.
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