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Redis is single-threaded, then how does it do concurrent I/O?
...ifference between concurrency and parallelism?
See also this presentation from Rob Pike.
A single-threaded program can definitely provide concurrency at the I/O level by using an I/O (de)multiplexing mechanism and an event loop (which is what Redis does).
Parallelism has a cost: with the multiple...
Could not execute editor
...regard to option -f,
For the GUI version, Vim will not fork and detach from the shell it was started in. ... This option should be used when Vim is executed by a program that will wait for the edit session to finish (e.g. mail).
Well I'm not using a GUI version, that I know of. I'm running git...
How to completely remove a dialog on close
...he dialog and then remove the div that was "hosting" the dialog completely from the DOM
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Hidden Features of Java
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The more recent versions of Visual VM, from JDK 1.6.0_22 and later, are much improved. I would bet JDK1.7 has an even better version of it.
– djangofan
Aug 24 '11 at 20:40
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How to turn off CodeLens-References
...estion where to look. But I thought I'd leave this comment in case anybody from Microsoft comes along. IMHO clutter is undesirable and you could have that same information in a rollover popup.
– Code Dude
Dec 20 '18 at 20:07
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How to convert an NSTimeInterval (seconds) into minutes
I've got an amount of seconds that passed from a certain event. It's stored in a NSTimeInterval data type.
12 Answers
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Why remove unused using directives in C#?
I'm wondering if there are any reasons (apart from tidying up source code) why developers use the "Remove Unused Usings " feature in Visual Studio 2008?
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Should I use Python 32bit or Python 64bit
...ticular).
For example if your app requires > 2GB of RAM, so you switch from 32bit to 64bit you may find that your app is now requiring > 4GB of RAM.
Check whether all of your 3rd party modules are available in 64 bit, otherwise it may be easier to stick to 32bit in the meantime
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Java: Get last element after split
... Very nice, and of course first() and nth(T[array], int n) is nicely made from this.
– Peter Ajtai
Apr 13 '12 at 22:11
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Django - “no module named django.core.management”
I get the following error when trying to run Django from the command line.
21 Answers
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