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rsync error: failed to set times on “/foo/bar”: Operation not permitted
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How do I filter query objects by date range in Django?
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Method call if not null in C#
...bout this. In the case of an Action or event handler -- which is typically more independent -- this makes some sense. I wouldn't break encapsulation for a regular method, though. This implies creating the method in a separate, static class and I don't think losing encapsulation and degrading readabi...
http HEAD vs GET performance
...d focus on designing the ideal REST interface. A clean REST API is usually more valuable in the long run than a kludgey API that may or may not be faster. I'm not discouraging the use of HEAD, just suggesting that you only use it if it's the "right" design.
If the information you need really is met...
How to exit pdb and allow program to continue?
...e using pdb.set_trace(), you can try this (although if you're using pdb in more fancy ways, this may break things...)
(Pdb) pdb.set_trace = lambda: None # This replaces the set_trace() function!
(Pdb) continue
# No more breaks!
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How to declare constant map
...map[int]string{
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And in Go there is no such thing as a constant map. More information can be found here.
Try it out on the Go playground.
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Cloning a MySQL database on the same MySql instance
...and mysql commands accept options for setting connection details (and much more), like:
mysqldump -u <user name> --password=<pwd> <original db> | mysql -u <user name> -p <new db>
Also, if the new database is not existing yet, you have to create it beforehand (e.g. wi...
Flatten an irregular list of lists
...he Iterable ABC added in 2.6.
Python 3
In Python 3, the basestring is no more, but you can use a tuple of str and bytes to get the same effect there.
The yield from operator returns an item from a generator one at a time. This syntax for delegating to a subgenerator was added in 3.3
def flatten(...
Spring JPA selecting specific columns
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log messages appearing twice with Python Logging
...for a Flask application which I developed, the log messages were appearing MORE THAN TWICE. I'd say that they were incrementing on the log file, due to the fact that, when the application and the modules were loaded, the logger variable used, was not the one instantiated from one of my classes, but ...