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How does '20 seconds' work in Scala?
...be able to find your way around, at which point Scala can be beautifully meaningful and concise. (eg, 20.seconds is much more readable than new DurationInt(20).seconds() so long as you know how it does it)
– William Billingsley
Feb 27 '13 at 6:56
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Swapping two variable value without using third variable
One of the very tricky questions asked in an interview.
27 Answers
27
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What programming practice that you once liked have you since changed your mind about? [closed]
As we program, we all develop practices and patterns that we use and rely on. However, over time, as our understanding, maturity, and even technology usage changes, we come to realize that some practices that we once thought were great are not (or no longer apply).
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Change case of a file on Windows?
There are a couple of files in our git-controlled codebase that I'd like to rename. Specifically, I just want to change the case of the file, so that sourceCode.java becomes SourceCode.java , for example. The catch: I'm on a Windows box, and the filesystem thinks those are the same file name.
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Method names for getting data [closed]
... extremely important:
the branch of linguistics and logic concerned with meaning
The comments are proof that generic terms like get and fetch have
no specific semantic and are interpreted differently by different
people. Pick a semantic for a term, document what it is intended to
imply if the seman...
How to create directories recursively in ruby?
I want to store a file as /a/b/c/d.txt, but I do not know if any of these directories exist and need to recursively create them if necessary.
How can one do this in ruby?
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Automatically start forever (node) on system restart
I am using node's forever module to keep my node server running. Forever however terminates when there is a system restart. Is there any way I can automatically start the node server (with forever) when the system restarts?
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“Failed to load platform plugin ”xcb“ ” while launching qt5 app on linux without qt installed
...ted me to the correct library to install. Thanks!
– Daniel
Mar 17 '15 at 0:37
4
In my case I also...
How do I properly clean up Excel interop objects?
...al.FinalReleaseComObject(xlApp);
In most code examples you'll see for cleaning up COM objects from .NET, the GC.Collect() and GC.WaitForPendingFinalizers() calls are made TWICE as in:
GC.Collect();
GC.WaitForPendingFinalizers();
GC.Collect();
GC.WaitForPendingFinalizers();
This should not be re...
Releasing memory in Python
...ing and receiving large amounts of data, you'll want to use some other mechanism (a file, mmapped or otherwise; the shared-memory APIs in multiprocessing; etc.).
Sending large amounts of data between processes means the data have to be pickleable (or, if you stick them in a file or shared memory, st...