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Running a cron every 30 seconds
...sorted, the following script should work:
#!/bin/env bash
# Debug code to start on minute boundary and to
# gradually increase maximum payload duration to
# see what happens when the payload exceeds 30 seconds.
((maxtime = 20))
while [[ "$(date +%S)" != "00" ]]; do true; done
while true; do
#...
pandas resample documentation
...nd frequency
CBM custom business month end frequency
MS month start frequency
SMS semi-month start frequency (1st and 15th)
BMS business month start frequency
CBMS custom business month start frequency
Q quarter end frequency
BQ business quarter endfreque...
Using a piano keyboard as a computer keyboard [closed]
...as well. That may well be sufficient for your purposes — it's where I'd start, because the device driver route is going to be awkward and you'd probably have to use a different language for it than Java. (I'm a big fan of Java, but the interfaces that operating systems use to talk to device drive...
Using 'starts with' selector on individual class names
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Classes that start with "apple-" plus classes that contain " apple-"
$("div[class^='apple-'],div[class*=' apple-']")
share
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improve t...
How do I get started with Node.js [closed]
Are there any good resources to get started with Node.JS? Any good tutorials, blogs or books?
3 Answers
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How do I execute code AFTER a form has loaded?
...ic and it will hold and refresh the form to fully loaded before your logic start running
– Aylian Craspa
Aug 11 '16 at 20:18
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show 6 more c...
Regular Expression to match string starting with “stop”
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If you want to match anything after a word stop an not only at the start of the line you may use : \bstop.*\b - word followed by line
Or if you want to match the word in the string use \bstop[a-zA-Z]* - only the words starting with stop
Or the start of lines with stop ^stop[a-zA-Z]* fo...
How can I stop redis-server?
I apparently have a redis-server instance running because when I try to start a new server by entering redis-server , I'm greeted with the following:
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How to check if a service is running on Android?
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@Pacerier, the solution you reference requires starting the service and I think the best flexible solution should allow you to check whether a service is running without starting it.
– Tom
Apr 4 '12 at 16:23
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How do you detect Credit card type based on number?
...low: Credit for original expressions
Visa: ^4[0-9]{6,}$ Visa card numbers start with a 4.
MasterCard: ^5[1-5][0-9]{5,}|222[1-9][0-9]{3,}|22[3-9][0-9]{4,}|2[3-6][0-9]{5,}|27[01][0-9]{4,}|2720[0-9]{3,}$ Before 2016, MasterCard numbers start with the numbers 51 through 55, but this will only detect M...