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How to convert Linux cron jobs to “the Amazon way”?
...hen certain CloudWatch stats aren't what they should be. We use cloud-init scripts to get the cronjobs running. Of course, this comes with a downtime, leading to missed cronjobs (when running certain tasks every minute, like we do).
Use the logic that rcron uses. Of course, the magic is not really i...
Function return value in PowerShell
...yword really just indicates a logical exit point
Thus, the following two script blocks will do effectively the exact same thing:
$a = "Hello, World"
return $a
$a = "Hello, World"
$a
return
The $a variable in the second example is left as output on the pipeline and, as mentioned, all outpu...
How do I empty an array in JavaScript?
...o 0. Some have argued that this may not work in all implementations of JavaScript, but it turns out that this is not the case. It also works when using "strict mode" in ECMAScript 5 because the length property of an array is a read/write property.
Method 3 (as suggested by Anthony)
A.splice(0,A.le...
MS-DOS Batch file pause with enter key
Is it possible in MS-DOS batch file to pause the script and wait for user to hit enter key?
5 Answers
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Compare integer in bash, unary operator expected
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Your piece of script works just great. Are you sure you are not assigning anything else before the if to "i"?
A common mistake is also not to leave a space after and before the square brackets.
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In PHP, what is a closure and why does it use the “use” identifier?
...res and functions have the same speed. Yes, you can use them all over your scripts.
As @Mytskine pointed out probably the best in-depth explanation is the RFC for closures. (Upvote him for this.)
share
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How to start working with GTest and CMake
...e is correct)
cmake -B build -DCMAKE_TOOLCHAIN_FILE=C:\bin\programs\vcpkg\scripts\buildsystems\vcpkg.cmake
and build using cmake --build build as usual.
Note that, vcpkg will also copy the required gtest(d).dll/gtest(d)_main.dll from the install folder to the Debug/Release folders.
Test with cd b...
How to send only one UDP packet with netcat?
... -q1 option on my netcat. Instead I used the -w1 option. Below is the bash script I did to send an udp packet to any host and port:
#!/bin/bash
def_host=localhost
def_port=43211
HOST=${2:-$def_host}
PORT=${3:-$def_port}
echo -n "$1" | nc -4u -w1 $HOST $PORT
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Add only non-whitespace changes
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I agree with Colin. If the script works, then there should be no need to create a stash. What might be good to consider though would be to run stash, then stash pop. Popped stashes can be recovered if necessary, but you won't end up with a lot of stash...
Where does Jenkins store configuration files for the jobs it runs?
...nkins installation folder, you could create a simple jenkins job and run a script that tars all the config files for the jobs: "tar -zcvf jenkins-jobs-configs.tar.gz $(find ${JENKINS_HOME}/jobs -name config.xml -maxdepth 2) ". You could then archive jenkins-jobs-configs.tar.gz
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