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Why is '+' not understood by Python sets?
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Python sets don't have an implementation for the + operator.
You can use | for set union and & for set intersection.
Sets do implement - as set difference. You can also use ^ for symmetric set difference (i.e., it will return a new set with only the objects th...
What does the M stand for in C# Decimal literal notation?
... already taken by double.
Although it has been suggested that M
stands for money, Peter Golde recalls
that M was chosen simply as the next
best letter in decimal.
A similar annotation mentions that early versions of C# included "Y" and "S" for byte and short literals respectively. They wer...
The current SynchronizationContext may not be used as a TaskScheduler
...ed back on Dispatcher using TaskScheduler.FromSyncronizationContext() . For example:
3 Answers
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When should I use ugettext_lazy?
I have a question about using ugettext and ugettext_lazy for translations.
I learned that in models I should use ugettext_lazy , while in views ugettext.
But are there any other places, where I should use ugettext_lazy too? What about form definitions?
Are there any performance diffrences betwe...
Java: PrintStream to String?
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Don't forget to close the PrintStream to free all resources.
– tobr
Jun 20 '12 at 9:11
9
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Creating an empty file in Ruby: “touch” equivalent?
....3+, you can use File.write (a.k.a IO.write):
File.write("foo.txt", "")
For earlier version, either require "backports/1.9.3/file/write" or use File.open("foo.txt", "w") {}
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Using System.Dynamic in Roslyn
...s.Default.WithReferences("Microsoft.CSharp") i.e. drop the dll. Stumped me for a few mins :)
– Jon H
Apr 6 '16 at 13:02
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What is scaffolding? Is it a term for a particular platform?
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Scaffolding generally refers to a quickly set up skeleton for an app. It's not rails-only since other platforms have it as well. It's also not generally meant to be a "final" system; merely the first, smallest way to do it.
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What's the difference of ContentType and MimeType
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Why we use 2 different naming for
(almost the same) thing? Is
"Content-Type" just a name used in
browser requests, and with very little
use outside it?
What's the main difference between the
each one, and when is right to call
something m...
Replacing some characters in a string with another character
... the option. Of course, this is equivalent to tr -s xyz _ so no real need for sed here.
– tripleee
Jul 26 '16 at 3:57
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