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How do I round a decimal value to 2 decimal places (for output on a page)
...solution, you won't have the culture formatting that one would expect when reading numbers. For this you should use ToString("N2"), or ToString("N").
– Shautieh
Aug 21 '14 at 15:54
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hexadecimal string to byte array in python
...tend.
bytearray.fromhex("de ad be ef 00")
It returns a bytearray and it reads hex strings with or without space separator.
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How do I get the current version of my iOS project in code?
...use in your code.
I have created one small extension to UIApplication that reads the Info.plist file and returns a version number automatically.
Here’s the code:
extension UIApplication {
static var appVersion: String? {
return Bundle.main.object(forInfoDictionaryKey: "CFBundleShortVer...
How to change a django QueryDict to Python Dict?
...eys(), request.GET.values()))
{u'key': u"CDEF" }
zip is a powerful tool read more about it here http://docs.python.org/2/library/functions.html#zip
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Align items in a stack panel?
...the 'etc.' I guess the answer is no, and will have to do it the tough way, read my comment for JMD above
– Shimmy Weitzhandler
Jan 7 '10 at 20:29
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How to print a percentage value in python?
...ow, if it's more pythonic. At least it is something you stumble over while reading the code. I think with Python 3 and real division by default this irritation is gone.
– miku
Jul 17 '13 at 8:19
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Server is already running in Rails
...starting rails server using rails s command it is showing A server is already running. Check C:/Sites/folder/Pids/Server.pids
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How to concatenate multiple lines of output to one line?
...line characters to spaces:
$ grep pattern file | tr '\n' ' '
Note: grep reads files, cat concatenates files. Don't cat file | grep!
Edit:
tr can only handle single character translations. You could use awk to change the output record separator like:
$ grep pattern file | awk '{print}' ORS='" '...
Differences and relationship between glActiveTexture and glBindTexture
...that type can be bound. For example, you can bind a framebuffer object for reading (GL_READ_FRAMEBUFFER) or for writing (GL_DRAW_FRAMEBUFFER). This affects how OpenGL uses the buffer. This is what the loc parameter above represents.
Textures are special because when you first bind them to a target,...
Get a random boolean in python?
...rt random
If utmost speed isn't to priority then random.choice definitely reads better
$ python -m timeit -s "import random" "random.choice([True, False])"
1000000 loops, best of 3: 0.904 usec per loop
$ python -m timeit -s "import random" "random.choice((True, False))"
1000000 loops, best of 3: ...