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How do I concatenate multiple C++ strings on one line?
...stringstream ss;
ss << "Hello, world, " << myInt << niceToSeeYouString;
std::string s = ss.str();
Take a look at this Guru Of The Week article from Herb Sutter: The String Formatters of Manor Farm
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Bash: infinite sleep (infinite blocking)
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BSD (or at least OS X) doesn't understand sleep infinity either, though it was a cool thing to learn about for Linux. However, while true; do sleep 86400; done ought to be an adequate substitute.
– Ivan X
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How to obtain a Thread id in Python?
...ython docs on Thread.name say "name - A string used for identification purposes only. It has no semantics. Multiple threads may be given the same name. The initial name is set by the constructor."
– drevicko
Dec 4 '12 at 6:10
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rails + MySQL on OSX: Library not loaded: libmysqlclient.18.dylib
... many blogs with install_name_tool, which won't work for me because I'm on OSX Lion:
sudo install_name_tool -change libmysqlclient.18.dylib /usr/local/mysql/lib/libmysqlclient.18.dylib /usr/local/bin/indexer
sudo install_name_tool -change libmysqlclient.18.dylib /usr/local/mysql/lib/libmysqlclient....
multiprocessing: sharing a large read-only object between processes?
...rce out to each concurrently running child.
When parent reaches the end, close the pipe. Child gets end of file and finishes normally.
The child parts are pleasant to write because each child simply reads sys.stdin.
The parent has a little bit of fancy footwork in spawning all the children and...
How to capture stdout output from a Python function call?
...object.
This tool adds flexibility to existing functions or classes whose
output is hardwired to stdout.
For example, the output of help() normally is sent to sys.stdout. You
can capture that output in a string by redirecting the output to an
io.StringIO object:
f = io.StringIO() ...
How do I get the logfile from an Android device?
...e following:
connect the device to the pc.
Check that I already setup my os for that particular device.
Open a terminal
Run adb shell logcat > log.txt
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Can I run multiple versions of Google Chrome on the same machine? (Mac or Windows)
...ludes a script which does the job for you.
Quoted from: section 7 of Cross-browser testing: All major browsers on ONE machine:
Chrome: Stand-alone installers can be downloaded from File Hippo. It is also possible to run multiple Chrome versions
side-by-side.
Although Sandboxie can ...
Difference between core and processor
...on order, and performing the operations through ALUs. For optimization purposes, a core can also hold on-core caches with copies of frequently used memory chunks.
A CPU may have one or more cores to perform tasks at a given time. These tasks are usually software processes and threads that the OS s...
how to prevent “directory already exists error” in a makefile when using mkdir
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"Generally, stick to the widely-supported (usually posix-specified) options and features of these programs. For example, don't use ‘mkdir -p’, convenient as it may be, because a few systems don't support it at all and with others, it is not safe for parallel execution. " ...