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Parsing boolean values with argparse
...olution using the previous suggestions, but with the "correct" parse error from argparse:
def str2bool(v):
if isinstance(v, bool):
return v
if v.lower() in ('yes', 'true', 't', 'y', '1'):
return True
elif v.lower() in ('no', 'false', 'f', 'n', '0'):
return False
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Is it possible to set private property via reflection?
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Yes, it is:
/// <summary>
/// Returns a _private_ Property Value from a given Object. Uses Reflection.
/// Throws a ArgumentOutOfRangeException if the Property is not found.
/// </summary>
/// <typeparam name="T">Type of the Property</typeparam>
/// <param name="obj"&g...
What is the most frequent concurrency issue you've encountered in Java? [closed]
...olean. It solves all the problems of the non-volatile, while shielding you from the JMM issues.
– Kirk Wylie
Jan 20 '09 at 23:59
39
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How do I handle too long index names in a Ruby on Rails ActiveRecord migration?
I am trying to add an unique index that gets created from the foreign keys of four associated tables:
9 Answers
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How do I catch a PHP fatal (`E_ERROR`) error?
...answer. I don't know why people are getting hung up on "you cannot recover from fatal errors"--the question didn't say anything about recovering.
– David Harkness
Nov 1 '11 at 21:53
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Configuring Log4j Loggers Programmatically
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Logger.getLogger("com.fizz").addAppender(newAppender)
then logging from fizz will be handled by alle the appenders from the root logger and the newAppender.
You don't create Loggers with the configuration, you just provide handlers for all possible categories in your system.
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Convert a timedelta to days, hours and minutes
I've got a timedelta. I want the days, hours and minutes from that - either as a tuple or a dictionary... I'm not fussed.
7...
Dynamic instantiation from string name of a class in dynamically imported module?
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module = __import__(module, fromlist=[name]) only worked for me.
– umpirsky
Jan 9 '12 at 18:18
16
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How to fix error with xml2-config not found when installing PHP from sources?
When I try to install php 5.3 stable from source on Ubuntu (downloading compressed installation file from http://www.php.net/downloads.php ) and I run ./configure I get this error:
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Show which git tag you are on?
...solution...
This leverages the fact that git-log reports the log starting from what you've checked out. %h prints the abbreviated hash. Then git describe --exact-match --tags finds the tag (lightweight or annotated) that exactly matches that commit.
The $() syntax above assumes you're using bash o...