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Does Ruby have a string.startswith(“abc”) built in method?
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edited Jun 20 at 9:12
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answered Nov 9 '10 at 4:48
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What is the App_Data folder used for in Visual Studio?
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What's the algorithm to calculate aspect ratio?
...you're looking for an usable aspect ratio integer:integer solution like 16:9 rather than a float:1 solution like 1.77778:1.
If so, what you need to do is find the greatest common divisor (GCD) and divide both values by that. The GCD is the highest number that evenly divides both numbers. So the GCD...
PostgreSQL database default location on Linux
...rver1 ~]# ps auxw | grep postgres | grep -- -D
postgres 1535 0.0 0.1 39768 1584 ? S May17 0:23 /usr/local/pgsql/bin/postgres -D /usr/local/pgsql/data
Note that it is possible, though not very frequent, to run two instances of the same PostgreSQL server (same binaries, different p...
How do I replace NA values with zeros in an R dataframe?
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See my comment in @gsk3 answer. A simple example:
> m <- matrix(sample(c(NA, 1:10), 100...
How do I use grep to search the current directory for all files having the a string “hello” yet disp
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answered Feb 9 '12 at 19:24
stackoverflowstackoverflow
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stop all instances of node.js server
...command:
$ kill 1073
If the process refuses to exit, then just use the -9 flag, which is a SIGTERM and cannot be ignored:
$ kill -9 1073
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Regex Email validation
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379
TLD's like .museum aren't matched this way, and there are a few other long TLD's. Also, you can ...
What is the difference between SessionState and ViewState?
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answered Apr 9 '09 at 9:32
GishuGishu
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What is the difference between std::array and std::vector? When do you use one over other? [duplicat
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std::array is just a class version of the classic C array. That means its size is fixed at comp...