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Simple argparse example wanted: 1 argument, 3 results
... argument like this: parser.add_argument('install', help='Install the app') (Notice you can't define a positional argument with required=True)
– Diego Navarro
Sep 20 '11 at 6:54
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How to import a module given its name as string?
I'm writing a Python application that takes as a command as an argument, for example:
11 Answers
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Why is exception.printStackTrace() considered bad practice?
...you do not have System.err being reassigned throughout the duration of the application's lifetime,
and if you do not require log rotation while the application is running,
and if accepted/designed logging practice of the application is to write to System.err (and the JVM's standard error output stre...
What is the difference between an interface and a class, and why I should use an interface when I ca
... Hey that looks like a very good ingredient for me to understand, I really appreciate it, thanks a lot :) :)
– Jasmine
Jun 6 '12 at 13:46
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MySQL indexes - what are the best practices?
...agine you've got that CSV file loaded up in a very rudimentary spreadsheet application. All this spreadsheet does is display the data, and numbers the rows in sequential order.
Now imagine that you need to find all the rows that have some value "M" in the third column. Given what you have availab...
What are the main disadvantages of Java Server Faces 2.0?
...ver Faces 2.0 which looked truly impressive, even though I am currently a happy ASP.NET MVC / jQuery developer. What I liked most about JSF was the huge amount of AJAX-Enabled UI components which seem to make development much faster than with ASP.NET MVC, especially on AJAX-heavy sites. Integration ...
On showing dialog i get “Can not perform this action after onSaveInstanceState”
... Log.d("ABSDIALOGFRAG", "Exception", e);
}
}
}
Note that applying this method will not alter the internal fields of the DialogFragment.class:
boolean mDismissed;
boolean mShownByMe;
This may lead to unexpected results in some cases. Better use commitAllowingStateLoss() instead o...
LinkedIn联合创始人：初创企业早期别花钱买用户 - 资讯 - 清泛网 - 专注C/C...
...。比如Facebook，如此成功的公司，还收购了Instagram和WhatsApp。它为什么这样做？因为随着它的用户年龄的增长，越来越多它的用户开始倾向于使用Instagram和WhatsApp。现在许多年轻人都不用Facebook，觉得它不酷，因为他们的父母也在...
Using ThreadPool.QueueUserWorkItem in ASP.NET in a high traffic scenario
...pletely!
Most of the time I see or hear about multi-threaded code being inappropriately used in ASP.NET, it's not for queuing CPU-intensive work. It's for queuing I/O-bound work. And if you want to do I/O work, then you should be using an I/O thread (I/O Completion Port).
Specifically, you shoul...
What is your preferred php deployment strategy? [closed]
...an export - you can't push specific changes, you have to export the entire application again. It's a very important difference that makes life that much easier
– Eran Galperin
Nov 10 '10 at 22:50
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