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How to tell if JRE or JDK is installed
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You can open up terminal and simply type
java -version // this will check your jre version
j...
Multiprocessing: How to use Pool.map on a function defined in a class?
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18 Answers
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Multiple inheritance for an anonymous class
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edited Jun 5 '14 at 14:45
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How do I change the IntelliJ IDEA default JDK?
...pt that in my poms I specify that the maven-compiler-plugin should use JDK 1.6, and when I import, IDEA informs me that the Language Level Changed and that Language level changes will take effect on project reload , and then prompts to reload the project. This is annoying because I always use th...
How can I convert a datetime object to milliseconds since epoch (unix time) in Python?
...ect that I want to convert to unix time, or seconds/milliseconds since the 1970 epoch.
13 Answers
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How to check iOS version?
I want to check if the iOS version of the device is greater than 3.1.3
I tried things like:
37 Answers
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Can I export a variable to the environment from a bash script without sourcing it?
... to execute the script in the context of the calling shell:
$ cat set-vars1.sh
export FOO=BAR
$ . set-vars1.sh
$ echo $FOO
BAR
Another way is to have the script, rather than setting an environment variable, print commands that will set the environment variable:
$ cat set-vars2.sh
#!/bin/bash
e...