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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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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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Can I run multiple versions of Google Chrome on the same machine? (Mac or Windows)
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In the comments, I mentioned a step-by-step method to easily install multiple Chrome versions, side-by-side. This answer quotes my original answer, and includes a script which does the job for you.
Quoted from: section 7 of Cross-browser testing: All major ...
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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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 clearfix class do in css? [duplicate]
...oat against its intended purpose.
Another is that while float allows side-by-side block-level elements, floats do not impart shape to its container. It's like position:absolute, where the element is "taken out of the layout". For instance, when an empty container contains a floating 100px x 100px &...
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...
Virtual Memory Usage from Java under Linux, too much memory used
...on. The usual phrasing is something like "Hello World on Java takes 10 megabytes! Why does it need that?" Well, here's a way to make Hello World on a 64-bit JVM claim to take over 4 gigabytes ... at least by one form of measurement.
java -Xms1024m -Xmx4096m com.example.Hello
Different Ways to Me...
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...
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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