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How to select records from last 24 hours using SQL?
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11 Answers
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How to deal with floating point number precision in JavaScript?
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Listing only directories in UNIX
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Try this ls -d */ to list directories within the current directory
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How to change size of split screen emacs windows?
... same heights and widths.
C-x ^ (enlarge-window) increases the height by 1 line, or the prefix arg value. A negative arg shrinks the window. e.g. C-- C-1 C-6 C-x ^ shrinks by 16 rows, as does C-u - 1 6 C-x ^.
(There is no default binding for shrink-window.)
C-x } (enlarge-window-horizo...
Why do indexes in XPath start with 1 and not 0?
...king about our experience with VBScript with its odd features such as 1-based index instead of 0-based indexes like almost every other language has, the reasoning being that it was a language for users (e.g. Excel VBA) instead of a language for developers.
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How to loop over directories in Linux?
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cd /tmp
find . -maxdepth 1 -mindepth 1 -type d -printf '%f\n'
A short explanation:
find f...
What is the _snowman param in Ruby on Rails 3 forms for?
...e is a hidden field named _snowman with the value of ☃ ( Unicode \x9731) showing up.
2 Answers
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I need a Nodejs scheduler that allows for tasks at different intervals [closed]
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'* * * * * *' - runs every second
'*/5 * * * * *' - runs every 5 seconds
'10,20,30 * * * * *' - run at 10th, 20th and 30th second of every minute
'0 * * * * *' - runs every minute
'0 0 * * * *' - runs every hour (at 0 minutes and 0 seconds)
But also more complex schedules e.g.
'00 30 11 * * 1-5'...
Is it possible to declare two variables of different types in a for loop?
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C++17: Yes! You should use a structured binding declaration. The syntax has been supported in...
How to PUT a json object with an array using curl
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Your command line should have a -d/--data inserted before the string you want to send in the P...