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How do I format a long integer as a string without separator in Java?
...his way. since it allows me to change the format in my language properties file.
– Pascal
Mar 5 '12 at 10:17
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Is there a way to make git pull automatically update submodules?
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I'm surprised nobody mentioned using git hooks to do this!
Just add files named post-checkout and post-merge to your .git/hooks directory of the relevant repositories, and put the following into each of them:
#!/bin/sh
git submodule update --init --recursive
Since you specfically asked for...
Why does C++ rand() seem to generate only numbers of the same order of magnitude?
...rs between 0 and 9, 90 numbers between 10 and 99, 900 between 100 and 999, etc.
For a computationally efficient way to get a distribution with approximately logarithmic distribution, you want to right-shift your random number by a random number:
s = rand() & 31; // a random number between 0 an...
Disable a method in a ViewSet, django-rest-framework
...here is less chance of forgetting some of important methods OPTIONS, HEAD, etc
P.P.S.
by default DRF has http_method_names = ['get', 'post', 'put', 'patch', 'delete', 'head', 'options', 'trace']
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Best way to create enum of strings?
...swer. You can't have any String that wouldn't be a valid Java identifier, etc.
– Mark Peters
Oct 20 '10 at 14:29
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What is the purpose of the “role” attribute in HTML?
...porting specs like HTML-AAM. Some of the new HTML5 elements (dialog, main, etc.) are even based on the original ARIA roles.
http://www.w3.org/TR/wai-aria/
There are a few primary reasons to use roles in addition to your native semantic element.
Reason #1. Overriding the role where no host language e...
What are enums and why are they useful?
... even though they don't make much sense for the singleton: ord and values, etc. (There's actually a trickier simulation where Color extends Integer that will work with switch, but it's so tricky that it even more clearly shows why enum is a better idea.)
Thread safety
Thread safety is a potential...
How to turn on front flash light programmatically in Android?
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for permissions,the correct code in the manifest file is : ` <uses-permission android:name="android.permission.CAMERA"/> <uses-permission android:name="android.permission.FLASHLIGHT"/> `
– ixeft
May 24 '12 at 22:02
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Using getopts to process long and short command line options
...ple, an application of getopt might convert the following:
myscript -ab infile.txt -ooutfile.txt
into this:
myscript -a -b -o outfile.txt infile.txt
You have to do the actual processing yourself. You don't have to use getopt at all if you make various restrictions on the way you can specify o...
Android: Access child views from a ListView
...ayout for each row in the ListView. (Very simple, just create a new layout file with a TextView - do not set focusable or clickable!).
No custom adapter required - use ArrayAdapter
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