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Getting a random value from a JavaScript array
...s to performance optimization while producing output using UI elements, ~~ wins the game. MORE INFO
var rand = myArray[~~(Math.random() * myArray.length)];
But if you know that the array is going to have millions of elements than you might want to reconsider between Bitwise Operator and Math.Floor(...
S3 Error: The difference between the request time and the current time is too large
...e steps in this post to get it working again, but also had to run the following command.
sudo ntpdate ntp.ubuntu.com
sudo apt-get install ntp
If at any time you get a message saying the NTP socket is still in use, stop it with sudo /etc/init.d/ntp stop and re-run your command.
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Batch script loop
... 100) do echo %%x
(which is one of the things I really really hate about windows scripting)
If you have multiple commands for each iteration of the loop, do this:
for /l %x in (1, 1, 100) do (
echo %x
copy %x.txt z:\whatever\etc
)
or in a batch file
for /l %%x in (1, 1, 100) do (
ech...
Can unit testing be successfully added into an existing production project? If so, how and is it wor
...coverage in a code base with 230 000 + production LOC (real time financial Win-Forms application). That may sound low, but the result was a significant improvement in code quality and defect rate - plus improved morale and profitability.
It can be done when you have both an accurate understanding a...
Converting List to List
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@Andreas oldList.getClass().newInstance() will do
– Lluis Martinez
May 9 '13 at 16:56
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Building with Lombok's @Slf4j and Intellij: Cannot find symbol log
... Deployment->Compiler->Annotation Processors. IntelliJ is not really winning points with me.
– demaniak
Sep 10 '18 at 7:16
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Eclipse - “Workspace in use or cannot be created, chose a different one.” [duplicate]
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for windows users: In case of you can't remove .lock file and it gives you the following:
And you know that eclipse is already closed, just open Task Manager then processes then end precess for all eclipse.exe occurrences in t...
How to find the mysql data directory from command line in windows
...tion directory with the command which mysql . But I could not find any in windows. I tried echo %path% and it resulted many paths along with path to mysql bin.
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GitHub: Permission denied (publickey). fatal: The remote end hung up unexpectedly
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Yes, It's a public key Problem.
I'm a windows user,and the page below help me resolve this problem.
http://help.github.com/win-set-up-git/
more precisely this link should be helpful
https://help.github.com/articles/error-permission-denied-publickey
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How to change default timezone for Active Record in Rails?
In my application.rb I came across the following comment
10 Answers
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