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Looping through the content of a file in Bash
... from standard input, you can open the file using a different file descriptor:
while read -u 10 p; do
...
done 10<peptides.txt
Here, 10 is just an arbitrary number (different from 0, 1, 2).
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python assert with and without parenthesis
... it through a full interpreter, not through IDLE. Because assert is a keyword and not a function, you are actually passing in a tuple as the first argument and leaving off the second argument.
Recall that non-empty tuples evaluate to True, and since the assertion message is optional, you've essent...
setState vs replaceState in React.js
I am new to React.js Library and I was going over some of the tutorials and I came across:
4 Answers
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How to get Enum Value from index in Java?
...alues array each time, so if you are calling this in the inner loop of performance sensitive code you might want to make a static copy and use that.
– Christopher Barber
Oct 4 '13 at 0:11
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How to merge 2 JSON objects from 2 files using jq?
I'm using the jq tools (jq-json-processor) in shell script to parse json.
6 Answers
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Should I implement __ne__ in terms of __eq__ in Python?
..._eq__:
There are no implied relationships
among the comparison operators. The
truth of x==y does not imply that x!=y
is false. Accordingly, when defining
__eq__(), one should also define __ne__() so that the operators will behave as expected.
In a lot of cases (such as this one), it wi...
How do I use DateTime.TryParse with a Nullable?
....TryParse("some date text", out d2);
if (success) d=d2;
(There might be more elegant solutions, but why don't you simply do something as above?)
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Is there Unicode glyph Symbol to represent “Search” [closed]
...-POINTING MAGNIFYING GLASS (????).
You should use (in HTML) &#x1F50D; or &#x1F50E;
They are, however not supported by many fonts (fileformat.info only lists a few fonts as supporting the Codepoint with a proper glyph).
Also note that they are outside of the BMP, so some Unicode-capable so...
Emulate ggplot2 default color palette
What function can I use to emulate ggplot2's default color palette for a desired number of colors. For example, an input of 3 would produce a character vector of HEX colors with these colors:
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Resetting generator object in Python
I have a generator object returned by multiple yield. Preparation to call this generator is rather time-consuming operation. That is why I want to reuse the generator several times.
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