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Does Ruby regular expression have a not match operator like “!~” in Perl?
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Understand homebrew and keg-only dependencies
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Showing the stack trace from a running Python application
...gdb to the process and get a python stack trace with some gdb macros. Put http://svn.python.org/projects/python/trunk/Misc/gdbinit in ~/.gdbinit, then:
Attach gdb: gdb -p PID
Get the python stack trace: pystack
It's not totally reliable unfortunately, but it works most of the time.
Finally, attac...
Turn Pandas Multi-Index into column
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Running Python code in Vim
...F9> to execute the current buffer with python
Explanation:
autocmd: command that Vim will execute automatically on {event} (here: if you open a python file)
[i]map: creates a keyboard shortcut to <F9> in insert/normal mode
<buffer>: If multiple buffers/files are open: just use the...
Do sessions really violate RESTfulness?
...s such, to the client, a session cookie is exactly the same as any
other HTTP header based authentication mechanism, except that it uses
the Cookie header instead of the Authorization or some other
proprietary header.
By session cookies you store the client state on the server and so your re...
handle textview link click in my android app
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Coming at this almost a year later, there's a different manner in which I solved my particular problem. Since I wanted the link to be handled by my own app, there is a solution that is a bit simpler.
Besides the default inte...
How do I lowercase a string in C?
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How do you turn off auto-capitalisation in HTML form fields in iOS?
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Why use strict and warnings?
... typos in variable names. Even experienced programmers make such errors. A common case is forgetting to rename an instance of a variable when cleaning up or refactoring code.
Using use strict; use warnings; catches many errors sooner than they would be caught otherwise, which makes it easier to fin...