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Cannot install Lxml on Mac os x 10.9
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I solved this issue on Yosemite by both installing and linking libxml2 and libxslt through brew:
brew install libxml2
brew install libxslt
brew link libxml2 --force
brew link libxslt --force
If you have solved the problem using this method but it...
How can I check the system version of Android?
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Check android.os.Build.VERSION.
CODENAME: The current development codename, or the string "REL" if this is a release build.
INCREMENTAL: The internal value used by the underlying source control to represent this build.
RELEASE:...
How to redirect output with subprocess in Python?
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UPDATE: os.system is discouraged, albeit still available in Python 3.
Use os.system:
os.system(my_cmd)
If you really want to use subprocess, here's the solution (mostly lifted from the documentation for subprocess):
p = subpro...
Restoring MySQL database from physical files
Is it possible to restore a MySQL database from the physical database files. I have a directory that has the following file types:
...
What is difference between monolithic and micro kernel?
... kernel can invoke functions directly. Examples of monolithic kernel based OSs: Unix, Linux.
In microkernels, the kernel is broken down into separate processes, known as servers. Some of the servers run in kernel space and some run in user-space. All servers are kept separate and run in different a...
Restore the state of std::cout after manipulating it
Suppose I have a code like this:
8 Answers
8
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.../hosts
2 vi /etc/sysconfig/network
3 vi /etc/sysconfig/network-scripts/ifcfg-eth0 t
4 reboot
5 cd /mnt/
6 ls
7 unzip adito-0.9.1-bin.zip
8 unzip apache-ant-1.9.6-bin.zip
9 tar -zxvf jdk-7u17-linux-x64.tar.gz
10 ls
11 yum install ant
12 c...
Should I be using object literals or constructor functions?
...c: "a public variable"
thisIsAlsoPublic: function () {
alert(that.thisIsPublic);
}
};
var secret = "this is a private variable"
function secretFunction() { // private method
secret += "!"; // can manipulate private variables
that.thisIsPublic...
Log exception with traceback
...send STDERR to a file using whatever shell you're using to run your Python script. In a Bash script, you can do this with output redirection, as described in the BASH guide.
Examples
Append errors to file, other output to the terminal:
./test.py 2>> mylog.log
Overwrite file with interleav...
Difference between malloc and calloc?
..., while malloc() leaves the memory uninitialized.
For large allocations, most calloc implementations under mainstream OSes will get known-zeroed pages from the OS (e.g. via POSIX mmap(MAP_ANONYMOUS) or Windows VirtualAlloc) so it doesn't need to write them in user-space. This is how normal malloc ...