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How can I change the color of my prompt in zsh (different from normal text)?
...n on red foreground) and \e[0m (turn off character attributes). These are called escape sequences. Different escape sequences give you different results, from absolute cursor positioning, to color, to being able to change the title bar of your window, and so on.
For more on escape sequences, see th...
How can I use if/else in a dictionary comprehension?
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@Marcin's answer covers it all, but just in case someone wants to see an actual example, I add two below:
Let's say you have the following dictionary of sets
d = {'key1': {'a', 'b', 'c'}, 'key2': {'foo', 'bar'}, 'key3': {'so', 'sad'}}
and you want ...
LINQ to SQL - Left Outer Join with multiple join conditions
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You need to introduce your join condition before calling DefaultIfEmpty(). I would just use extension method syntax:
from p in context.Periods
join f in context.Facts on p.id equals f.periodid into fg
from fgi in fg.Where(f =&...
filename and line number of python script
How can I get the file name and line number in python script.
9 Answers
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C#位运算符（C#按位与、按位或 等） - 更多技术 - 清泛网 - 专注C/C++及内核技术
...储空间，并使处理简便，Ｃ语言又提供了一种数据结构，称为“位域”或“位段”。所谓“位域”是把一个字节中的二进位划分为几个不同的区域， 并说明每个区域的位数。每个域有一个域名，允许在程序中按域名进行操作。 ...
What are the differences between the threading and multiprocessing modules?
...nd the multiprocessing modules in Python to run certain operations in parallel and speed up my code.
6 Answers
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How to export table as CSV with headings on Postgresql?
...s to a CSV file via command line, however I get it to export to CSV file, but without headings.
12 Answers
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Run a PostgreSQL .sql file using command line arguments
...n use the following by navigating to the bin folder of your PostgreSQL install:
12 Answers
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What is the most efficient string concatenation method in python?
... idiomatic and thus easier for other python programmers to understand.
Finally, the golden rule of optimization: don't optimize unless you know you need to, and measure rather than guessing.
You can measure different methods using the timeit module. That can tell you which is fastest, instead of r...
How to concatenate two MP4 files using FFmpeg?
...pe f is for only listing files. I added | sort to sort the files alphabetically; because find reads them in order as saved on filesystem. Works also for files with whitespaces.
– erik
Dec 2 '16 at 14:15
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