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OS specific instructions in CMAKE: How to?
...solve your issue with the Windows-specific wsock32 library, just remove it from other systems, like that:
if(WIN32)
target_link_libraries(${PROJECT_NAME} bioutils wsock32)
else
target_link_libraries(${PROJECT_NAME} bioutils)
endif()
...
mingw-w64 threads: posix vs win32
...API) which GCC can then link in to enable all the fancy features." So if i select the win32 model, GCC can still enable all the features, because it makes use of winpthreads? But in the bullet below, you write "win32: No C++11 multithreading features". I don't understand. Does "which GCC can then li...
Difference between \n and \r?
...motely), \n is the standard escape sequence for end of line (translated to/from OS-specific sequences as needed)
in old Mac systems (pre-OS X), \r was the code for end-of-line instead
in Windows (and many old OSs), the code for end of line is 2 characters, \r\n, in this order
as a (surprising;-) con...
Sockets: Discover port availability using Java
...ee = false;
}
return portFree;
}
EDIT: If all you're trying to do is select a free port then new ServerSocket(0) will find one for you.
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Mathematical functions in Swift
...he whole Cocoa framework.
import Darwin
Of course, if you need elements from Cocoa or Foundation or other higher level frameworks, you can import them instead
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Where is virtualenvwrapper.sh after pip install?
...file:
find / -name virtualenvwrapper.sh
This will search all directories from the root for the file.
on ubuntu 12.04 LTS, installing through pip, it is installed to
/usr/local/bin/virtualenvwrapper.sh
on ubuntu 17.04, installing through pip as a normal user, it is installed to
~/.local/bin...
Locate Git installation folder on Mac OS X
...
The installer from the git homepage installs into /usr/local/git by default. See also this answer. However, if you install XCode4, it will install a git version in /usr/bin. To ensure you can easily upgrade from the website and use the lat...
Python subprocess/Popen with a modified environment
I believe that running an external command with a slightly modified environment is a very common case. That's how I tend to do it:
...
Access denied for user 'root@localhost' (using password:NO)
...etting of the root user ;
mysql> use mysql;
Database changed
mysql> select * from user;
Empty set (0.00 sec)
mysql> truncate table user;
Query OK, 0 rows affected (0.00 sec)
mysql> flush privileges;
Query OK, 0 rows affected (0.01 sec)
mysql> grant all privileges on *.* to root@loca...
Difference between wait() and sleep()
...l sleep on Thread.
Yet another point is that you can get spurious wakeups from wait (i.e. the thread which is waiting resumes for no apparent reason). You should always wait whilst spinning on some condition as follows:
synchronized {
while (!condition) { mon.wait(); }
}
...