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Why should I prefer single 'await Task.WhenAll' over multiple awaits?
In case I do not care about the order of task completion and just need them all to complete, should I still use await Task.WhenAll instead of multiple await ? e.g, is DoWork2 below a preferred method to DoWork1 (and why?):
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Create an array with same element repeated multiple times
... array each iteration. Like this (shown just as an example of how you can work with arrays):
function fillArray(value, len) {
var arr = [];
for (var i = 0; i < len; i++) {
arr.push(value);
}
return arr;
}
sh...
Use of class definitions inside a method in Java
...tion. You would use a local class where you never need to instantiate one or know about implementation details anywhere but in one method.
A typical use would be to create a throw-away implementation of some interface. For example you'll often see something like this:
//within some method
ta...
Dealing with multiple Python versions and PIP?
...s there any way to make pip play well with multiple versions of Python? For example, I want to use pip to explicitly install things to either my site 2.5 installation or my site 2.6 installation.
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What exception classes are in the standard C++ library
...at are included in the standard C++ library, and what should they be used for? I know there are a few new C++11 exceptions, but I'm not sure what they are or where they are.
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Pretty printing XML in Python
What is the best way (or are the various ways) to pretty print XML in Python?
24 Answers
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linux tee is not working with python?
...inite loop.
I want to log every communication data to a file and also monitor them from terminal at same time. so I used tee command like this.
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How can I present a file for download from an MVC controller?
In WebForms, I would normally have code like this to let the browser present a "Download File" popup with an arbitrary file type, like a PDF, and a filename:
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Why does Enumerable.All return true for an empty sequence? [duplicate]
...element of the source sequence passes the test in the specified predicate, or if the sequence is empty; otherwise, false.
Now you can argue about whether or not it should work that way (it seems fine to me; every element of the sequence conforms to the predicate) but the very first thing to check ...
Split string with multiple delimiters in Python [duplicate]
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Luckily, Python has this built-in :)
import re
re.split('; |, ',str)
Update:Following your comment:
>>> a='Beautiful, is; better*than\nugly'
>>> import re
>>> re.split('; |, |\*|\n',a)
['Beautiful', 'is', 'better', 'than', 'ugly']
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