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Test whether string is a valid integer
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For portability to pre-Bash 3.1 (when the =~ test was introduced), use expr.
if expr "$string" : '-\?[0-9]\+$' >/dev/null
then
echo "String is a valid integer."
else
echo "String is not a valid integer."
fi
expr STRING : REGEX searches for REG...
Tutorials and libraries for OpenGL-ES games on Android [closed]
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Leushenko
11.1k88 gold badges4141 silver badges7777 bronze badges
answered Oct 27 '09 at 18:44
broschbbroschb
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How do detect Android Tablets in general. Useragent?
... @yoavf: That appears to have been fixed with the XOOM's Android 3.1 update. I own a XOOM and just tested it -- no "mobile".
– CommonsWare
Jun 16 '11 at 11:18
27
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Read and write a String from text file
...h URL's (don't forget to handle the possible URL errors):
Swift 5+, 4 and 3.1
import Foundation // Needed for those pasting into Playground
let fileName = "Test"
let dir = try? FileManager.default.url(for: .documentDirectory,
in: .userDomainMask, appropriateFor: nil, create: true)
// If ...
Build a simple HTTP server in C [closed]
...decoding of content based on content type.
If you're going to support HTTP 1.1, implement things like "100 Continue", keep-alive, chunked transfer.
Add robustness/security measures like detecting incomplete requests, limiting max number of clients etc.
Shrink wrap your code and open-source it :)
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How to reset Android Studio
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I can confirm this works for version 1.1.0. just replace AndroidStudioPreview for AndroidStudio
– Federico Perez
Feb 20 '15 at 21:38
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Convert Decimal to Double
...sion from decimal to double is explicit as you lose accuracy. For instance 1.1 can't be accurately expressed as a double, but can as a decimal (see "Floating point numbers - more inaccurate than you think" for the reason why).
In VB the conversion was added for you by the compiler:
decimal trans =...
How to convert an integer to a string in any base?
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@EvgeniSergeev: It's only unnecessary on 2.7/3.1+. On 2.6, the explicit position (or name) is required.
– ShadowRanger
Apr 4 '17 at 20:09
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Python set to list
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Your code does work (tested with cpython 2.4, 2.5, 2.6, 2.7, 3.1 and 3.2):
>>> a = set(["Blah", "Hello"])
>>> a = list(a) # You probably wrote a = list(a()) here or list = set() above
>>> a
['Blah', 'Hello']
Check that you didn't overwrite list by accident...
How do you render primitives as wireframes in OpenGL?
...tes that GL_FRONT and GL_BACK have been deprecated and removed from OpenGL 3.1 and up. Now, you can still use them through the compatibility extension, but if you have a choice between forward-compatible and backward-compatible, I would recommend going for the former.
– fouric...