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How to store standard error in a variable
...ut for display or to be piped into another command.
It sets up a couple of extra file descriptors to manage the redirections needed in order to do this.
#!/bin/bash
exec 3>&1 4>&2 #set up extra file descriptors
error=$( { ./useless.sh | sed 's/Output/Useless/' 2>&4 1>&3...
How to get filename without extension from file path in Ruby
...
Note that double quotes strings escape \'s.
'C:\projects\blah.dll'.split('\\').last
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How to sort objects by multiple keys in Python?
... So this does work well. I call my function with the list and string as parameters. I split the string first then call the multikeysort with the list and the list of keys from the split string. It does not matter which item in the string has the '-' at the start of the column name, beca...
GIT commit as different user without email / or only email
... the existing commits and use the first commit that contains your provided string.
Examples:
Only user name
Omit the email address explicitly:
git commit --author="John Doe <>" -m "Impersonation is evil."
Only email
Technically this isn't possible. You can however enter the email addres...
BeanFactory vs ApplicationContext
...ssPathXmlApplicationContext {
public LazyLoadingXmlApplicationContext(String[] configLocations) {
super(configLocations);
}
/**
* Upon loading bean definitions, force beans to be lazy-initialized.
* @see org.springframework.context.support.AbstractXmlApplicationContex...
Why doesn't JavaScript support multithreading?
...en more than one core), and the difficulties there are way larger than the extra possibilities.
For the future of JavaScript, check this out:
https://developer.mozilla.org/presentations/xtech2006/javascript/
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How do I mock an open used in a with statement (using the Mock framework in Python)?
...hods or attributes available on standard file handles.
read_data is a string for the read method of the file handle to
return. This is an empty string by default.
>>> from mock import mock_open, patch
>>> m = mock_open()
>>> with patch('{}.open'.format(__name__), ...
Get the correct week number of a given date
...52 weeks in a year. Each year has 52 full weeks + 1 or +2 (leap year) days extra. They make up for a 53th week.
52 weeks * 7days = 364 days.
So for each year you have at least one an extra day. Two for leap years. Are these extra days counted as separate weeks of their own?
How many weeks there...
Difference between “read commited” and “repeatable read”
...es not block concurrent updates. However, that benefit comes with a price: extra server resource consumption.
Supplemental reads:
Isolation Levels in the Database Engine
Concurrency Effects
Choosing Row Versioning-based Isolation Levels
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map function for objects (instead of arrays)
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There is no need to add an extra HTTP call and an extra library just for one function. In any case, this answer is now outdated and you can simply call Object.entries({a: 1, b: 2, c: 3}) to get an array.
– user6269864
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