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SVN Error - Not a working copy
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If you get a "not a working copy" when doing a recursive svn cleanup my guess is that you have a directory which should be a working copy (i.e. the .svn directory at the top level says so), but it is missing its own .svn directory. In that case, you could try to j...
The command rbenv install is missing
...both rbenv and ruby-build can be installed using apt-get (or aptitude):
sudo apt-get update
sudo apt-get install rbenv ruby-build
On FreeBSD ruby-build is available in the Ports Collection, it can be install both as a binary package or build from the port:
# Using pkgng rbenv will be installed
p...
What should main() return in C and C++?
...ningless to someone reading your code. This question is proof that people don't know what valid/invalid codes are. EXIT_SUCCESS/EXIT_FAILURE are much more clear.
– JaredPar
Oct 15 '08 at 16:32
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C library function to perform sort
Is there any library function available in C standard library to do sort?
7 Answers
7...
How to write LaTeX in IPython Notebook?
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This came up in a search I was just doing, found a better solution with some more searching, IPython notebooks now have a %%latex magic that makes the whole cell Latex without the $$ wrapper for each line.
Refer notebook tour for Rich Display System
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Add string in a certain position in Python
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File "<stdin>", line 1, in <module>
TypeError: 'str' object does not support item assignment
It is, however, possible to create a new string that has the inserted character:
>>> s[:4] + '-' + s[4:]
'3558-79ACB6'
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JS Client-Side Exif Orientation: Rotate and Mirror JPEG Images
...OS 8.3 which is where I need it to work most :(
– Gordon Sun
Jul 14 '15 at 5:31
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I'm really stru...
How to specify the private SSH-key to use when executing shell command on Git?
... will, in turn, have the key loaded.
Alternatively, setting HOME may also do the trick, provided you are willing to setup a directory that contains only a .ssh directory as HOME; this may either contain an identity.pub, or a config file setting IdentityFile.
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How do multiple clients connect simultaneously to one port, say 80, on a server? [duplicate]
I understand the basics of how ports work. However, what I don't get is how multiple clients can simultaneously connect to say port 80. I know each client has a unique (for their machine) port. Does the server reply back from an available port to the client, and simply state the reply came from 80? ...
What is the definition of “interface” in object oriented programming
...rguments) and in some cases the return types of these operations.
What it does not do is define what the semantics of these operations are, although it is commonplace (and very good practice) to document them in proximity to the declaration (e.g., via comments), or to pick good naming conventions. ...