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Using async/await for multiple tasks
...ything but waiting.
int[] ids = new[] { 1, 2, 3, 4, 5 };
Task.WaitAll(ids.Select(i => DoSomething(1, i, blogClient)).ToArray());
On the other hand, the above code with WaitAll also blocks the threads and your threads won't be free to process any other work till the operation ends.
Recommende...
Changing variable names in Vim
...this will bring you to the scope begin.
Press V - will turn on Visual Line selection.
Press % - will jump to the opposite } thus will select the whole scope.
Press :s/ - start of the substitute command.
<C-R>/ - will insert pattern that match variable name (that name you were on before pressin...
getting type T from IEnumerable
... t.GetGenericTypeDefinition() == typeof(IEnumerable<>))
.Select(t => t.GetGenericArguments()[0]);
}
Some objects implement more than one generic IEnumerable so it is necessary to return an enumeration of them.
Edit: Although, I have to say, it's a terrible idea for a class to...
Error installing mysql2: Failed to build gem native extension
...
For windows try the Ticked answer from stackoverflow.com/questions/19014117/…
– nitigyan
Jul 18 '14 at 10:28
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Correct way to detach from a container without stopping it
In Docker 1.1.2 (latest), what's the correct way to detach from a container without stopping it?
10 Answers
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Using psql how do I list extensions installed in a database?
...org/docs/current/static/app-psql.html
Doing it in plain SQL it would be a select on pg_extension:
SELECT *
FROM pg_extension
http://www.postgresql.org/docs/current/static/catalog-pg-extension.html
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how do I use the grep --include option for multiple file types?
... I see the problem. I used --include=".{html,php}" to prevent shell from expanding '' which at the same time stop shell to expand {html,php}. It seems that equal sign in --include=* is able to prevent shell from expanding '*'.
– tianyapiaozi
May 17 '12 a...
How to serve static files in Flask
...l be able to do it more efficiently than Flask.
However, you can use send_from_directory to send files from a directory, which can be pretty convenient in some situations:
from flask import Flask, request, send_from_directory
# set the project root directory as the static folder, you can set othe...
How can a web application send push notifications to iOS devices? [closed]
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as of 02/2016,FF,Chrome and Safari can register for push from webapp.
– Yvon Huynh
Feb 10 '16 at 9:56
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Unexpected results when working with very big integers on interpreted languages
...ith enough bits to give an exact answer. Never touched PHP or Node.js, but from the results I suspect the math is done using floating point numbers and should be thus expected not to be exact for numbers of this magnitude.
s...