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How to get a number of random elements from an array?
...d suggest using Python's implementation if you are going for speed: jsperf.com/pick-random-elements-from-an-array
– Derek 朕會功夫
Aug 7 '17 at 23:29
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Can you get DB username, pw, database name in Rails?
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How do you push a Git tag to a branch using a refspec?
...erhaps you saw the following error message:
error: Trying to write non-commit object to branch refs/heads/master
Annotated tags have their own distinct type of object that points to the tagged commit object. Branches can not usefully point to tag objects, only commit objects. You need to “p...
Frame Buster Buster … buster code needed
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edited Jun 20 at 9:12
Community♦
111 silver badge
answered Jun 18 '09 at 13:21
HugowareHugoware
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Error installing mysql2: Failed to build gem native extension
... replaced by ruby-mysql. This is where I found the solution.
If the above command doesn't work because libmysql-ruby cannot be found, the following should be sufficient:
sudo apt-get install libmysqlclient-dev
On Red Hat/CentOS and other distributions using yum:
sudo yum install mysql-devel
O...
Comparison of Android networking libraries: OkHTTP, Retrofit, and Volley [closed]
...me concrete examples of best use cases for each.
Use Retrofit if you are communicating with a Web service. Use the peer library Picasso if you are downloading images. Use OkHTTP if you need to do HTTP operations that lie outside of Retrofit/Picasso.
Volley roughly competes with Retrofit + Picasso...
Warning “Do not Access Superglobal $_POST Array Directly” on Netbeans 7.4 for PHP
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Is \d not supported by grep's basic expressions?
This does not generate any output. How come?
2 Answers
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How to get min/max of two integers in Postgres/SQL?
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