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Pandas - Get first row value of a given column
...what that means
– aydow
Jan 16 at 3:01
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How do I list one filename per output line in Linux?
I'm using ls -a command to get the file names in a directory, but the output is in a single line.
7 Answers
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How to implement a binary tree?
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Vishnudev
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answered Mar 4 '15 at 20:14
djradjra
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Git: what is a dangling commit/blob and where do they come from?
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HOWTO remove all dangling commits from your git repository from
http://www.tekkie.ro/news/howto-remove-all-dangling-commits-from-your-git-repository/
git reflog expire --expire=now --all
git gc --prune=now
Make sure you really want to remove them, as you might decide you need them after all.
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How do I convert a string to enum in TypeScript?
...ng as keyof typeof Color;
typedColor = Color[typedColorString];
https://www.typescriptlang.org/docs/handbook/advanced-types.html#index-types
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Why would an Enum implement an Interface?
...ust have to represent passive sets (e.g. colours). They can represent more complex objects with functionality, and so you're then likely to want to add further functionality to these - e.g. you may have interfaces such as Printable, Reportable etc. and components that support these.
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Convert xlsx to csv in Linux with command line
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The Gnumeric spreadsheet application comes with a command line utility called ssconvert that can convert between a variety of spreadsheet formats:
$ ssconvert Book1.xlsx newfile.csv
Using exporter Gnumeric_stf:stf_csv
$ cat newfile.csv
Foo,Bar,Baz
1,2,3
123.6...
How do I parse command line arguments in Bash?
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Method #1: Using bash without getopt[s]
Two common ways to pass key-value-pair arguments are:
Bash Space-Separated (e.g., --option argument) (without getopt[s])
Usage demo-space-separated.sh -e conf -s /etc -l /usr/lib /etc/hosts
cat >/tmp/demo-space-separated....
Is there an equivalent for var_dump (PHP) in Javascript?
...e');
pre.innerHTML = out;
document.body.appendChild(pre)
}
I'd recommend against alerting each individual property: some objects have a LOT of properties and you'll be there all day clicking "OK", "OK", "OK", "O... dammit that was the property I was looking for".
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git difftool, open all diff files immediately, not in serial
...sed on that email thread which performs a directory diff between arbitrary commits.
Starting with git v1.7.10, the git-diffall script is included in the contrib of the standard git installation.
For versions before v1.7.10, you can install from the git-diffall project on GitHub.
Here is the pro...