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Singleton: How should it be used
...ee cargo cult programmer in wikipedia)
In user interface widgets
It is supposed to be a cache
In strings
In Sessions
I can go all day long
How to create the best singleton:
The smaller, the better. I am a minimalist
Make sure it is thread safe
Make sure it is never null
Make sure it is created onl...
How to find out what group a given user has?
...
This appears to be pretty useful as well. It has more verbose output than the 'groups' command, so if you need the group id/user id use this!
– Alex Argo
Dec 8 '08 at 17:02
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How to find the installed pandas version
...IONS
------------------
commit: None
python: 2.7.6.final.0
python-bits: 64
OS: Linux
OS-release: 3.13.0-45-generic
machine: x86_64
processor: x86_64
byteorder: little
LC_ALL: None
LANG: en_US.UTF-8
pandas: 0.15.2-113-g5531341
nose: 1.3.1
Cython: 0.21.1
numpy: 1.8.2
scipy: 0.14.0.dev-371b4ff
statsmo...
What is Eclipse's Ctrl+O (Show Outline) shortcut equivalent in IntelliJ IDEA?
... See for more shortcuts. At StackOverflow : What are the most useful Intellij IDEA keyboard shortcuts? AT stackoverflow.com/questions/294167/…
– Rites
Dec 22 '09 at 9:40
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Write string to output stream
...ur OutputStream and then just call it's print(String):
final OutputStream os = new FileOutputStream("/tmp/out");
final PrintStream printStream = new PrintStream(os);
printStream.print("String");
printStream.close();
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ViewPager with Google Maps API v2: mysterious black view
...lution, they work while the app is in the foreground but when the app is closed and still running and you go back to it the map stays on top still..
– L7ColWinters
Feb 8 '13 at 0:20
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How to handle floats and decimal separators with html5 input type number
...s mainly for mobile browsers. Im using input fields with number type, so (most) mobile browsers invokes only number keyboard for better user experience. This web app is mainly used in regions where decimal separator is comma, not dot, so I need to handle both decimal separators.
...
How to save an image locally using Python whose URL address I already know?
...")
output = open("file01.jpg","wb")
output.write(resource.read())
output.close()
file01.jpg will contain your image.
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Convert PDF to image with high resolution
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It appears that the following works:
convert \
-verbose \
-density 150 \
-trim \
test.pdf \
-quality 100 \
-flatten \
-sharpen 0x1.0 \
24-18.jpg
It results in the left image. Compare this to the result of my original comma...
How to check if a string contains an element from a list in Python
... should look to the answer of @Wladimir Palant, or you risk getting false positives.
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