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How to execute XPath one-liners from shell?
Is there a package out there, for Ubuntu and/or CentOS, that has a command-line tool that can execute an XPath one-liner like foo //element@attribute filename.xml or foo //element@attribute < filename.xml and return the results line by line?
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What is the purpose of class methods?
I'm teaching myself Python and my most recent lesson was that Python is not Java , and so I've just spent a while turning all my Class methods into functions.
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Is it safe to parse a /proc/ file?
...o even this tiny, trivial file was subject to a race condition until then, and still is in most enterprise kernels. See fs/proc/uptime.c for the current source, or the commit that made it atomic. On a pre-2.6.30 kernel, you can open the file, read a bit of it, then if you later come back and read ...
How to exit pdb and allow program to continue?
I'm using the pdb module to debug a program. I'd like to understand how I can exit pdb and allow the program to continue onward to completion. The program is computationally expensive to run, so I don't want to exit without the script attempting to complete. continue doesn't seems to work. How can...
Insert into … values ( SELECT … FROM … )
... the SQL engine of the day ( MySQL , Oracle , SQL Server , Informix , and DB2 ).
26 Answers
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how to get html content from a webview?
... html code from a webview?
I have tried several methods from stackoverflow and google, but can't find an exact method. Please mention an exact way.
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How to import existing Android project into Eclipse?
I'm trying to import and existing Android project into my current Eclipse workspace. I select File->New->Android Project, which brings up the Android project dialog, I then select, "Create project from existing source", Location, Build Target and Finish.
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Difference between margin and padding?
What exactly is the difference between margin and padding in CSS? It really doesn't seem to serve much purpose. Could you give me an example of where the differences lie (and why it is important to know the difference)?
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CSS: fixed position on x-axis but not y?
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I love this solution, and just used it myself. One problem I have with it though is that the refreshes are kind of choppy when you do smooth scrolling (eg: by dragging the scrollbar). It seems javascript refresh is slower than css refresh. Any sol...
PHP memory profiling
...page's memory usage? For example, to see how much memory my data is using, and/or which function calls are allocating the most memory.
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