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ssh: Could not resolve hostname [hostname]: nodename nor servname provided, or not known
...he slightest clue why. When I try to ssh into my server with user@hostname , I get the error:
14 Answers
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Shuffling a list of objects
...cts and I want to shuffle them. I thought I could use the random.shuffle method, but this seems to fail when the list is of objects. Is there a method for shuffling objects or another way around this?
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Remap values in pandas column with a dict
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You can use .replace. For example:
>>> df = pd.DataFrame({'col2': {0: 'a', 1: 2, 2: np.nan}, 'col1': {0: 'w', 1: 1, 2: 2}})
>>> di = {1: "A", 2: "B"}
>>> df
col1 col2
0 w a
1 1 2
2 2 NaN
>>> df.replace({"col1": di})
col1 col2
0 w...
Show just the current branch in Git
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Doesn't work for me either, with git-1.6.2.5. git rev-parse --abbrev-ref HEAD => --abbrev-ref 311172491a9a667f9321bdf1c4fe5e22cc6e2c08 (ie rev-parse does not accept --abbrev-ref (not in the man page either))
– JasonW...
Link to the issue number on GitHub within a commit message
Is it somehow possible to automatically have a link to GitHub issue number in the git commit message?
8 Answers
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pip install mysql-python fails with EnvironmentError: mysql_config not found
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That still created an error for me. I used apt-get install python-mysqldb instead.
– Jonatan Littke
May 25 '12 at 13:58
52
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Display filename before matching line
How can I get grep to display the filename before the matching lines in its output?
6 Answers
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IntelliJ gives Fatal Error: Unable to find package java.lang in classpath or bootclasspath
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Somehow the JDK language jars were removed from the classpath. All I had to do was reapply the JSDK home path.
Goto:
File -> Project Structure -> Platform Settings -> SDKs
Re-apply the JSDK home path.
Doing this ad...
Visual Studio: How to break on handled exceptions?
... handled exception happens (i.e. I don't just want to see a "First chance" message, I want to debug the actual exception).
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'nuget' is not recognized but other nuget commands working
...as a reference.
My Package Manger Console in Visual Studio is not allowing me to use the 'nuget' command.
I am able to 'Get-help nuguet' and it displays:
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