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Pandas selecting by label sometimes return Series, sometimes returns DataFrame
...my opinion this is the cleanest.
In [2]: type(df.loc[[3]])
Out[2]: pandas.core.frame.DataFrame
In [3]: type(df.loc[[1]])
Out[3]: pandas.core.frame.DataFrame
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javax vs java package
...ish suggested didn't yield one in the first page or so) is no doubt about "core" vs "extension", I still suspect that in many cases the decision for any particular package has an historical reason behind it too. Is java.beans really that "core" to Java, for example?
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How to share Eclipse configuration over different workspaces
...across workspaces:
Go to ${old_workspace}/.metadata/.plugins/org.eclipse.core.runtime/.settings
Copy everything under the above directory to ${new_workspace}/.metadata/.plugins/org.eclipse.core.runtime/.settings
This is going to make sure that the ${new_workspace} is having the same configuratio...
fastest (low latency) method for Inter Process Communication between Java and C/C++
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Just tested latency from Java on my Corei5 2.8GHz, only single byte send/received,
2 Java processes just spawned, without assigning specific CPU cores with taskset:
TCP - 25 microseconds
Named pipes - 15 microseconds
Now explicitly specifying core ma...
How do I prevent 'git diff' from using a pager?
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Or use GIT_PAGER or PAGER environment variables, or core.pager git config variable.
– Jakub Narębski
Feb 2 '10 at 14:43
77
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How do I force git to use LF instead of CR+LF under windows?
...files with correct eol.
And I have always recommended git config --global core.autocrlf false to disable any conversion (which would apply to all versioned files)
See Best practices for cross platform git config?
Since Git 2.16 (Q1 2018), you can use git add --renormalize . to apply those .gitatt...
What does “WARN Could not determine content-length of response body.” mean and how to I get rid of i
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Asked the same question to one of Rails-Core's members:
https://twitter.com/luislavena/status/108998968859566080
And the answer:
https://twitter.com/tenderlove/status/108999110136303617
ya, it's fine. Need to clean it up, but nothing is being hurt.
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For a boolean field, what is the naming convention for its getter/setter?
... convention for
boolean methods and variables used by
Sun for the Java core packages. Using the is prefix solves a common
problem of choosing bad boolean names
like status or flag. isStatus or
isFlag simply doesn't fit, and the
programmer is forced to chose more
meaningful names.
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How to install JSTL? The absolute uri: http://java.sun.com/jstl/core cannot be resolved
....apache.jasper.JasperException: The absolute uri: http://java.sun.com/jstl/core cannot be resolved in either web.xml or the jar files deployed with this application
That URI is for JSTL 1.0, but you're actually using JSTL 1.2 which uses URIs with an additional /jsp path (because JSTL, who invented...
Filename too long in Git for Windows
...110
You can circumvent this by using another Git client on Windows or set core.longpaths to true as explained in other answers.
git config --system core.longpaths true
Git is build as a combination of scripts and compiled code. With the above change some of the scripts might fail. That's the rea...