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Thin web server: `start_tcp_server': no acceptor (RuntimeError) after git branch checkout
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From the above-linked article, a command to locate rails servers already running (works on mac): ps aux | grep rails
– Luke Griffiths
Aug 16 '12 at 14:40
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Javadoc link to method in other class
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Aside from @see, a more general way of refering to another class and possibly method of that class is {@link somepackage.SomeClass#someMethod(paramTypes)}. This has the benefit of being usable in the middle of a javadoc description...
Undo svn add without reverting local edits
... no effect for me. I ran the code as above (including the trailing period) from the base folder. Not sure if I'm missing something.
– zzz
Jan 20 '12 at 0:47
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Add an element to an array in Swift
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anArray+="Foo" does not work anymore from xCode 6 beta 5
– Amitay
Aug 7 '14 at 6:44
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comparing sbt and Gradle [closed]
... interested in using Gradle instead of Ivy for SBT.
(both tools can learn from each other)
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How does grep run so fast?
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Assuming your question regards GNU grep specifically. Here's a note from the author, Mike Haertel:
GNU grep is fast because it AVOIDS LOOKING AT EVERY INPUT BYTE.
GNU grep is fast because it EXECUTES VERY FEW INSTRUCTIONS FOR EACH
BYTE that it
does look at.
GNU grep uses th...
How to stop a PowerShell script on the first error?
...tell the caller of your script that it has failed. Building on top of Exec from the library Psake, a script that has the structure below will stop on all errors, and is usable as a base template for most scripts.
Set-StrictMode -Version latest
$ErrorActionPreference = "Stop"
# Taken from psake ht...
How to include file in a bash shell script
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$ LANG=C help source
source: source filename [arguments]
Execute commands from a file in the current shell.
Read and execute commands from FILENAME in the current shell. The
entries in $PATH are used to find the directory containing FILENAME.
If any ARGUMENTS are supplied, they become the positio...
What's the difference between IEquatable and just overriding Object.Equals()?
...d I implement IEquatable<Food> or just override Object.Equals() ? From MSDN:
4 Answers
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What is the best way to compare floats for almost-equality in Python?
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Use Python's decimal module, which provides the Decimal class.
From the comments:
It is worth noting that if you're
doing math-heavy work and you don't
absolutely need the precision from
decimal, this can really bog things
down. Floats are way, way faster to
deal with, but ...