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libxml install error using pip
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No you are missing the Python header files. This mostly happens on Linux when you are using the system Python (there are reasons not to do that, but that's a different question).
You probably need to install some package, and it's probably called python-dev or ...
What does set -e mean in a bash script?
I'm studying the content of this preinst file that the script executes before that package is unpacked from its Debian archive (.deb) file.
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Why does Java have transient fields?
...eld should not be part of the serialization (which means saved, like to a file) process.
From the Java Language Specification, Java SE 7 Edition, Section 8.3.1.3. transient Fields:
Variables may be marked transient to
indicate that they are not part of the
persistent state of an object.
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TypeError: $.ajax(…) is not a function?
... which were not needed. If you still get the error, then the jQuery script file is not loaded.
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How do I measure execution time of a command on the Windows command line?
...d "timeit -?":
C:\>timeit timeit -?
Invalid switch -?
Usage: TIMEIT [-f filename] [-a] [-c] [-i] [-d] [-s] [-t] [-k keyname | -r keyname] [-m mask] [commandline...]
where: -f specifies the name of the database file where TIMEIT
keeps a history of previous timings. Default...
Application Skeleton to support multiple screens
...ge with Actions and one more plus point is that you need not to rename the file(it will assign same name as original one).
once you completed with creation of all images, refresh your project and test it.
Sometimes there may be possibility that the layout which support screen(xhdpi, hdpi, mdpi) ma...
How to use glOrtho() in OpenGL?
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Deprecation
glOrtho is deprecated as of OpenGL 4.5: the compatibility profile 12.1. "FIXED-FUNCTION VERTEX TRANSFORMATIONS" is in red.
So don't use it for production. In any case, understanding it is a good way to get some OpenGL insight.
Modern OpenGL 4 programs calculate the transformation ma...
List Git aliases
...e a permanent git alias named alias which gets stored in your ~/.gitconfig file. Using it will list all of your git aliases, in nearly the same format as they are in the ~/.gitconfig file. To use it, type:
$ git alias
loga = log --graph --decorate --name-status --all
alias = ! git config --get-rege...
I do not want to inherit the child opacity from the parent in CSS
...er words, if a <div> has opacity set you render the div and all its kids into a temporary buffer, and then composite that whole buffer into the page with the given opacity setting.
What exactly you want to do here depends on the exact rendering you're looking for, which is not clear from the ...
Link to “pin it” on pinterest without generating a button
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The Pin It widget builder business.pinterest.com/widget-builder/#do_pin_it_button is also useful for getting some sample code that you can then customise programatically.
– William Denniss
Mar 18 '1...