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Looping through the content of a file in Bash
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One way to do it is:
while read p; do
echo "$p"
done <peptides.txt
As pointed out in the comments, this has the side effects of trimming leading whitespace, interpreting backslash sequences, and skipping the last line if it's missing a terminating li...
How to get a URL parameter in Express?
...cing an issue on getting the value of tagid from my URL: localhost:8888/p?tagid=1234 .
4 Answers
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How to use Bash to create a folder if it doesn't already exist?
This doesn't seem to work. Can anyone help?
6 Answers
6
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Partly cherry-picking a commit with Git
I'm working on 2 different branches: release and development .
7 Answers
7
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How to take backup of a single table in a MySQL database?
By default, mysqldump takes the backup of an entire database. I need to backup a single table in MySQL. Is it possible? How do I restore it?
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How to wait for several Futures?
Suppose I have several futures and need to wait until either any of them fails or all of them succeed.
8 Answers
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Are nested HTML comments possible?
as per the title; is it possible to have nested comments in valid HTML? see the example below...
10 Answers
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What are the most interesting equivalences arising from the Curry-Howard Isomorphism?
I came upon the Curry-Howard Isomorphism relatively late in my programming life, and perhaps this contributes to my being utterly fascinated by it. It implies that for every programming concept there exists a precise analogue in formal logic, and vice versa. Here's a "basic" list of such analogies...
How to delete duplicate lines in a file without sorting it in Unix?
Is there a way to delete duplicate lines in a file in Unix?
9 Answers
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Avoid trailing zeroes in printf()
I keep stumbling on the format specifiers for the printf() family of functions. What I want is to be able to print a double (or float) with a maximum given number of digits after the decimal point. If I use:
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