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Argparse optional positional arguments?
...arguments:
dir
optional arguments:
-h, --help show this help message and exit
-v
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Difference between “change” and “input” event for an `input` element
Can someone tell me what the difference between the change and input events is?
4 Answers
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Difference between no-cache and must-revalidate
...st-Modified, the agent has nothing to use to validate what it has in cache and must download the whole payload again. So when the RFC says "revalidate" that probably means, re-fetch.
– Luke Puplett
Nov 13 '13 at 11:55
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Making interface implementations async
...ethods.
All my IO is done through explicit implementations of an interface and I am a bit confused about how to make the operations async.
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What is the difference between Class and Klass in ruby?
What is the difference between Class and Klass?
4 Answers
4
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Base64: What is the worst possible increase in space usage?
If a server received a base64 string and wanted to check it's length before converting,, say it wanted to always permit the final byte array to be 16KB. How big could a 16KB byte array possibly become when converted to a Base64 string (assuming one byte per character)?
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How to properly check if std::function is empty in C++11?
...td::function has a callable target stored in it. The check is well-defined and works because of std::function::operator bool which allows for implicit conversion to bool in contexts where boolean values are required (such as the conditional expression in an if statement).
Besides, the notion of an ...
What is the difference between getFields and getDeclaredFields in Java reflection
I'm a little confused about the difference between the getFields method and the getDeclaredFields method when using Java reflection.
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Change Activity's theme programmatically
...like this:
public void onCreate(Bundle savedInstanceState) {
setTheme(android.R.style.Theme);
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_second);
}
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How to set the title of DialogFragment?
...itle to be on the DialogFragment class itself (same place where setStyle() and DialogFragment.STYLE_NO_TITLE are defined). Thank you very much for the solution.
– StefanK
Apr 8 '11 at 11:53
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