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Generate random numbers following a normal distribution in C/C++
How can I easily generate random numbers following a normal distribution in C or C++?
18 Answers
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Connection pooling options with JDBC: DBCP vs C3P0
What is the best connection pooling library available for Java/JDBC?
16 Answers
16
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Redis command to get all available keys?
Is there a Redis command for fetching all keys in the database? I have seen some python-redis libraries fetching them. But was wondering if it is possible from redis-client.
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What HTTP status response code should I use if the request is missing a required parameter?
I am thinking 412 (Precondition Failed) but there may be a better standard?
12 Answers
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Force line-buffering of stdout when piping to tee
Usually, stdout is line-buffered. In other words, as long as your printf argument ends with a newline, you can expect the line to be printed instantly. This does not appear to hold when using a pipe to redirect to tee .
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Start two instances of IntelliJ IDE
Well my question is pretty simple, how do I start two instances of IntelliJ (community edition).
When I have one instance started and I try to start another one, all that happens is that my started instance gets focus.
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Omitting the second expression when using the if-else shorthand
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This is also an option:
x==2 && dosomething();
dosomething() will only be called if x==2 is evaluated to true. This is called Short-circuiting.
It is not commonly used in cases like this and you really shouldn't write code like this. I encourage this simpler app...
Detect the specific iPhone/iPod touch model [duplicate]
I am making a game that utilizes the peer-to-peer bluetooth capabilities of the iPhone (and probably the iPod touch 2nd generation). However, to stop the users from trying to play a multiplayer on an iPod 1st gen and iPhone 2G I need to check for the specific device model.
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Should private helper methods be static if they can be static
Let's say I have a class designed to be instantiated. I have several private "helper" methods inside the class that do not require access to any of the class members, and operate solely on their arguments, returning a result.
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Easy way to pull latest of all git submodules
We're using git submodules to manage a couple of large projects that have dependencies on many other libraries we've developed. Each library is a separate repo brought into the dependent project as a submodule. During development, we often want to just go grab the latest version of every dependent s...