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What does -fPIC mean when building a shared library?
I know the ' -fPIC ' option has something to do with resolving addresses and independence between individual modules, but I'm not sure what it really means. Can you explain?
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How can I convert a string to upper- or lower-case with XSLT?
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In XSLT 1.0 the upper-case() and lower-case() functions are not available.
If you're using a 1.0 stylesheet the common method of case conversion is translate():
<xsl:variable name="lowercase" select="'abcdefghijklmnopqrstuvwxyz'" />
<xsl:vari...
Error: “dictionary update sequence element #0 has length 1; 2 is required” on Django 1.4
...nts to parse the given positional argument as the keyword argument kwargs, and since a string is an iterable, an atypical code path begins to unfold. Always use name= on your urls!
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What's the fastest way to convert String to Number in JavaScript?
...fastest for Number() in Chrome 37.0.2062.124 on Windows Server 2008 R2 / 7 and ParseInt() in Firefox 30.0 with implicit being the slowest for both. Also, you might consider including string literal floats in the test for general comparison. My guess is that it may change the order in some cases be...
Android adb “Unable to open sync connection!”
I can run and debug my Android app on my phone just fine, most of the time. Then, seemingly randomly, when I try to run or debug my app from Eclipse, the Console in Eclipse says:
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What is the difference between Server.MapPath and HostingEnvironment.MapPath?
Is there any difference between Server.MapPath() and HostingEnvironment.MapPath() ? Does Server.MapPath() have any advantages over HostingEnvironment.MapPath() ?
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About catching ANY exception
...ght it!"
However, this will also catch exceptions like KeyboardInterrupt and you usually don't want that, do you? Unless you re-raise the exception right away - see the following example from the docs:
try:
f = open('myfile.txt')
s = f.readline()
i = int(s.strip())
except IOError as (...
argparse store false if unspecified
...t value of False.
Likewise, store_false will default to True when the command-line argument is not present.
The source for this behavior is succinct and clear: http://hg.python.org/cpython/file/2.7/Lib/argparse.py#l861
The argparse docs aren't clear on the subject, so I'll update them now: http:...
Convert a RGB Color Value to a Hexadecimal String
...ation, I was able to get the Color of a JButton in terms of red, green and blue; I have stored these values in three int s.
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Automating “enter” keypresses for bash script generating ssh keys
...de a "yes" answer to whatever a program might prompt for). yes is shorter, and should ssh-keygen ever add a question, that will automatically be answered in too. :)
– zrajm
Apr 24 '15 at 11:08
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