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Javascript swap array elements
...lizing the temporary variable approach as it's cross-language (e.g. C/C++) and the first approach that usually pops into my mind.
– Ultimater
Aug 15 '18 at 7:22
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How do I instantiate a Queue object in java?
...on's is more clear. I will +1 this if you update it to mention concurrency and get rid of the code for anonymous classes... I think it makes the answer more confusing for someone that wants to know what to do because they almost surely don't want to do that. (Even if they wanted their own class, the...
Echo newline in Bash prints literal \n
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The OP asked about echo, not printf; and @choroba's answer below, which uses the -e option, fills the bill perfectly.
– JESii
May 27 '15 at 13:46
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Can I add jars to maven 2 build classpath without installing them?
Maven2 is driving me crazy during the experimentation / quick and dirty mock-up phase of development.
24 Answers
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Does Redis persist data?
I understand that Redis serves all data from memory, but does it persist as well across server reboot so that when the server reboots it reads into memory all the data from disk. Or is it always a blank store which is only to store data while apps are running with no persistence?
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How to specify new GCC path for CMake
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Do not overwrite CMAKE_C_COMPILER, but export CC (and CXX) before calling cmake:
export CC=/usr/local/bin/gcc
export CXX=/usr/local/bin/g++
cmake /path/to/your/project
make
The export only needs to be done once, the first time you configure the project, then those values ...
How do I make UILabel display outlined text?
...white text with a black outline. What I got was black outlines on the left and right edges of each letter in the text but not outlines at the top or bottom. Any ideas?
– Mike Hershberg
Jan 26 '11 at 7:39
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How to add parameters to a HTTP GET request in Android?
...he parameters to this request by first creating a BasicHttpParams object and adding the parameters to that object, then calling setParams( basicHttpParms ) on my HttpGet object. This method fails. But if I manually add my parameters to my URL (i.e. append ?param1=value1&param2=value2 ) it...
How to set a default value with Html.TextBoxFor?
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Curious to know why capital 'V' works and lowercase 'v' does not? Also, this solution overrides the model value for Age, even if one is present.
– Derek Hunziker
Sep 1 '10 at 23:46
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Couldn't connect to server 127.0.0.1:27017
...mongodb is terminating because there is an old lock file.
If you are not and were not running with journaling, remove the lock file, run repair, and start mongodb again.
If you are or were running with journaling turned on, see the relevant Mongo DB docs. Note that they say "If you are running wi...