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How do I limit the number of results returned from grep?
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249
The -m option is probably what you're looking for:
grep -m 10 PATTERN [FILE]
From man grep:...
How to use nodejs to open default browser and navigate to a specific URL
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edited Jan 26 '17 at 14:08
answered Nov 16 '12 at 15:32
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Python Pandas merge only certain columns
...nly merge some columns? I have a DataFrame df1 with columns x, y, z, and df2 with columns x, a ,b, c, d, e, f, etc.
5 Answe...
Recreating a Dictionary from an IEnumerable
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2 Answers
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git pull keeping local changes
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251
There is a simple solution based on Git stash. Stash everything that you've changed, pull all...
JavaScript - cannot set property of undefined
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data: c
};
};
If you're in an environment that supports ES2015 features, you can use computed property names:
d = {
[a]: {
greetings: b,
data: c
}
};
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Javadoc: package.html or package-info.java
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271
package-info.java: "This file is new in JDK 5.0, and is preferred over package.html."—javado...
str performance in python
While profiling a piece of python code ( python 2.6 up to 3.2 ), I discovered that the
str method to convert an object (in my case an integer) to a string is almost an order of magnitude slower than using string formatting.
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Can bash show a function's definition?
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edited Dec 4 '18 at 8:52
Jonathan Neufeld
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answ...
How to hide output of subprocess in Python 2.7
I'm using eSpeak on Ubuntu and have a Python 2.7 script that prints and speaks a message:
5 Answers
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