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How accurate is python's time.sleep()?
... you can try out a pseudo real-time kernel (with the RT_PREEMPT patch set) by installing the rt kernel package (at least in Ubuntu 10.04 LTS).
EDIT: Correction non-realtime Linux kernels have minimum sleep interval much closer to 1ms then 10ms but it varies in a non-deterministic manner.
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Regex for string not ending with given suffix
...es and lookbehind assertions are an advanced feature that is not supported by all.
– stema
May 6 '13 at 12:47
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What does the thread_local mean in C++11?
...local variables in a function. The global/static variables can be accessed by all the threads (possibly synchronized access using locks). And the thread_local variables are visible to all the threads but can only modified by the thread for which they are defined? Is it correct?
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What are the differences between Deferred, Promise and Future in JavaScript?
...rred especially useful when dealing with e.g. templates that are populated by asynchronous requests, loading scripts that have networks of dependencies, and providing user feedback to form data in a non-blocking manner.
Indeed, compare the pure callback form of doing something after loading CodeMir...
How do I get the filepath for a class in Python?
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Note: does not work on a classes created by the user
– Daniel Braun
Mar 20 '19 at 14:08
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Why does Sql Server keep executing after raiserror when xact_abort is on?
I just got surprised by something in TSQL. I thought that if xact_abort was on, calling something like
4 Answers
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Tmux vs. iTerm2 split panes
...f tmux: what happens if you accidentally close iterm2? If you do it really by accident, you want to reopen everything again. With tmux it is normally as simple as reattaching session without losing anything. Most terminal emulators send SIGHUP to all children which terminates them by default and thu...
REST response code for invalid data
...uld recommend 422. It's not part of the main HTTP spec, but it is defined by a public standard (WebDAV) and it should be treated by browsers the same as any other 4xx status code.
From RFC 4918:
The 422 (Unprocessable Entity) status code means the server understands the content type of the req...
Increase heap size in Java
...-Xmx6g myprogram
You can get a full list (or a nearly full list, anyway) by typing java -X.
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Public Fields versus Automatic Properties
We're often told we should protect encapsulation by making getter and setter methods (properties in C#) for class fields, instead of exposing the fields to the outside world.
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