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How to redirect stderr and stdout to different files in the same line in script?
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Just add them in one line command 2>> error 1>> output
However, note that >>...
R - Concatenate two dataframes?
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227
You want "rbind".
b$b <- NA
new <- rbind(a, b)
rbind requires the data frames to have...
Safely limiting Ansible playbooks to a single machine?
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216
Turns out it is possible to enter a host name directly into the playbook, so running the playb...
Simplest code for array intersection in javascript
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Number.sign() in javascript
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edited Oct 24 '16 at 12:10
Ricardo Rocha
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“static const” vs “#define” vs “enum”
...me, then:
If you need to pass a pointer around, you must use (1).
Since (2) is apparently an option, you don't need to pass pointers around.
Both (1) and (3) have a symbol in the debugger's symbol table - that makes debugging easier. It is more likely that (2) will not have a symbol, leaving you ...
How to compare two colors for similarity/difference
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answered Jan 26 '12 at 14:20
Liudvikas BukysLiudvikas Bukys
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How to print a float with 2 decimal places in Java?
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263
You can use the printf method, like so:
System.out.printf("%.2f", val);
In short, the %.2f ...
Implement touch using Python?
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325
Looks like this is new as of Python 3.4 - pathlib.
from pathlib import Path
Path('path/to/fil...
How can you dynamically create variables via a while loop? [duplicate]
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edited Feb 18 '11 at 2:37
answered Feb 18 '11 at 1:28
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