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How to use the C socket API in C++ on z/OS
...
Keep a copy of the IBM manuals handy:
z/OS V1R11.0 XL C/C++ Programming Guide
z/OS V1R11.0 XL C/C++ Run-Time Library Reference
The IBM publications are generally very good, but you need to get used to their format, as well as knowing where to look...
Django TemplateDoesNotExist?
My local machine is running Python 2.5 and Nginx on Ubuntu 8.10, with Django builded from latest development trunk.
20 Answ...
Python: Best way to add to sys.path relative to the current running script
... (let's say project/bin ). I also have a library located in project/lib and want the scripts to automatically load it. This is what I normally use at the top of each script:
...
Maven Install on Mac OS X
...X Lion, you won't have java installed by default. Just run java by itself and it'll prompt you to install it.
Assuming qualifications are met, run mvn -version and see some output like this:
Apache Maven 3.0.3 (r1075438; 2011-02-28 12:31:09-0500)
Maven home: /usr/share/maven
Java version: 1.6.0_2...
How to check if there exists a process with a given pid in Python?
...s? I'm getting a pid from a different source other than from os.getpid() and I need to check to see if a process with that pid doesn't exist on the machine.
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Checking that a List is not empty in Hamcrest
...(empty())));
empty() is a static in the Matchers class. Note the need to cast the list to Collection, thanks to Hamcrest 1.2's wonky generics.
The following imports can be used with hamcrest 1.3
import static org.hamcrest.Matchers.empty;
import static org.hamcrest.core.Is.is;
import static org.h...
Enums and Constants. Which to use when?
...pe except char like:
enum LongEnum : long {
foo,
bar,
}
You can cast explicitly from and implicitly to the the base type, which is useful in switch-statements. Beware that one can cast any value of the base type to an enum, even if the enum has no member with the appropriate value. So usi...
How to use a servlet filter in Java to change an incoming servlet request url?
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Implement javax.servlet.Filter.
In doFilter() method, cast the incoming ServletRequest to HttpServletRequest.
Use HttpServletRequest#getRequestURI() to grab the path.
Use straightforward java.lang.String methods like substring(), split(), concat() and so on to extract the part o...
Python, add trailing slash to directory string, os independently
...os.path.join(path, '', '') or os.path.join(path_with_a_trailing_slash, '') and you will still only get one trailing slash.
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How to pass parameters to ThreadStart method in Thread?
... multiple parameters, and you get compile-time checking without needing to cast from object all the time.
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