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What's the difference of “./configure” option “--build”, “--host” and “--target”?
The script ./configure accepts 3 options --build , --host and --target . I'm confusing their roles. What's the difference and semantics of them?
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git update-index --assume-unchanged returns “fatal unable to mark file”
I am having the same problem as the OP on this post, but I don't understand the answer marked as correct (I don't see that it explains how to fix the situation)
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.NET 4.0 has a new GAC, why?
... it mean now we have to manage two GACs, one for .NET 2.0-3.5 applications and the other for .NET 4.0 applications?
3 Answe...
How does Python 2 compare string and int? Why do lists compare as greater than numbers, and tuples g
...ring for string, numeric ordering for integers).
When you order a numeric and a non-numeric type, the numeric type comes first.
>>> 5 < 'foo'
True
>>> 5 < (1, 2)
True
>>> 5 < {}
True
>>> 5 < [1, 2]
True
When you order two incompatible types where n...
What is the difference between HTTP_HOST and SERVER_NAME in PHP?
What is the difference between HTTP_HOST and SERVER_NAME in PHP?
10 Answers
10
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Difference between char* and const char*?
...cleared up with the use of a variable after the statements mentioned above and by giving reference to that variable.
– ankit.karwasra
Oct 8 '13 at 9:16
3
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How do I update a Python package?
I'm running Ubuntu 9:10 and a package called M2Crypto is installed (version is 0.19.1). I need to download, build and install the latest version of the M2Crypto package (0.20.2).
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Remove an entire column from a data.frame in R
...on't need drop argument cause it always return data.frame from data.frame. And I think this is much better way to localized columns (and only columns) in data.frame (and it's faster). Check: cars[-1] (one col data.frame) or better cars[-(1:2)]: data frame with 0 columns and 50 rows.
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Utilizing multi core for tar+gzip/bzip compression/decompression
I normally compress using tar zcvf and decompress using tar zxvf (using gzip due to habit).
6 Answers
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Find all packages installed with easy_install/pip?
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pip freeze will output a list of installed packages and their versions. It also allows you to write those packages to a file that can later be used to set up a new environment.
https://pip.pypa.io/en/stable/reference/pip_freeze/#pip-freeze
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