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Batch renaming files with Bash
... to remove their version numbers? I've been toying around with both expr and %% , to no avail.
10 Answers
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Converting a UNIX Timestamp to Formatted Date String
...ezone info ignored, cause the timestamp doesn't have timezone info. gmdate and date with second timestamp parameter as 1333699439 will print the same date time.
– Tinus Tate
Apr 7 '16 at 13:09
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NPM clean modules
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There is actually special command for this job
npm ci
It will delete node_modules directory and will install packages with respect your package-lock.json file
More info: https://docs.npmjs.com/cli/ci.html
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How can I start an interactive console for Perl?
How can I start an interactive console for Perl, similar to the irb command for Ruby or python for Python?
23 Answers
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How to reference a file for variables using Bash?
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The short answer
Use the source command.
An example using source
For example:
config.sh
#!/usr/bin/env bash
production="liveschool_joe"
playschool="playschool_joe"
echo $playschool
script.sh
#!/usr/bin/env bash
source config.sh
echo $production
Note ...
Rolling or sliding window iterator?
...m,)
yield result
The one from the docs is a little more succinct and uses itertools to greater effect I imagine.
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Is there a Python equivalent of the C# null-coalescing operator?
...ator does not return only True or False. Instead, it returns the first operand if the first operand evaluates to true, and it returns the second operand if the first operand evaluates to false.
In this case, the expression x or y returns x if it is True or evaluates to true when converted to boolea...
Convert character to ASCII numeric value in java
...In your case, you need to get the specific Character from the String first and then cast it.
char character = name.charAt(0); // This gives the character 'a'
int ascii = (int) character; // ascii is now 97.
Though cast is not required explicitly, but its improves readability.
int ascii = charac...
Joining three tables using MySQL
...t", c.name "Course"
from student s, bridge b, course c
where b.sid = s.sid and b.cid = c.cid
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How to read last commit comment?
...s there an easy way to directly access the last commit message through command-line? (I'm using Windows.)
9 Answers
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