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Begin, Rescue and Ensure in Ruby?
...t implement it yourself:
# This is what you want to do:
File.open('myFile.txt', 'w') do |file|
file.puts content
end
# And this is how you might implement it:
def File.open(filename, mode='r', perm=nil, opt=nil)
yield filehandle = new(filename, mode, perm, opt)
ensure
filehandle&.close
e...
How to write a cron that will run a script every day at midnight?
...ick guide to setup a cron job
Create a new text file, example: mycronjobs.txt
For each daily job (00:00, 03:45), save the schedule lines in mycronjobs.txt
00 00 * * * ruby path/to/your/script.rb
45 03 * * * path/to/your/script2.sh
Send the jobs to cron (everytime you run this, cron deletes wha...
Why do we need the “finally” clause in Python?
...ion. (Or if you don't catch that specific exception.)
myfile = open("test.txt", "w")
try:
myfile.write("the Answer is: ")
myfile.write(42) # raises TypeError, which will be propagated to caller
finally:
myfile.close() # will be executed before TypeError is propagated
In this ex...
Delete files older than 10 days using shell script in Unix [duplicate]
...a/backuplog/"
timestamp=$(date +%Y%m%d_%H%M%S)
filename=log_$timestamp.txt
log=$path$filename
days=7
START_TIME=$(date +%s)
find $path -maxdepth 1 -name "*.txt" -type f -mtime +$days -print -delete >> $log
echo "Backup:: Script Start -- $(date +%Y%m%d_%H%M)" >> $log
... co...
Using TortoiseSVN via the command line
...
TortoiseProc.exe /command:commit
/path:"c:\svn_wc\file1.txt*c:\svn_wc\file2.txt"
/logmsg:"test log message" /closeonend:0
TortoiseProc.exe /command:update /path:"c:\svn_wc\" /closeonend:0
TortoiseProc.exe /command:log /path:"c:\svn_wc\file1.txt"
...
Can Powershell Run Commands in Parallel?
...other job cmdlets.
# Loop through the server list
Get-Content "ServerList.txt" | %{
# Define what each job does
$ScriptBlock = {
param($pipelinePassIn)
Test-Path "\\$pipelinePassIn\c`$\Something"
Start-Sleep 60
}
# Execute the jobs in parallel
Start-Job $ScriptBlock -Argume...
Specify sudo password for Ansible
...which it will use to decrypt your secret file.
Create a file called vault.txt and in that put the password that you used when creating your secret file. The password should be a string stored as a single line in the file.
From the Ansible Docs:
.. ensure permissions on the file are such that n...
How can I echo a newline in a batch file?
... @Shahbaz - $ (echo Hello && echo World) > ./File.txt
– Nathan J.B.
Nov 30 '11 at 5:28
...
jQuery how to find an element based on a data-attribute value?
... });
};
})(window.jQuery);
//just to quickly log
function log(txt) {
if (window.console && console.log) {
console.log(txt);
//} else {
// alert('You need a console to check the results');
}
$("#result").append(txt + "<br />");
}
#bPratik {
fon...
java中的缓存技术该如何实现 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...方,那么缓存对app来说是透明的.而且这个缓存中存放的是完整的页面.第三个节点,app 中本身就有几个层次,那么缓存也可以放在不同的层次上,这一部分是情况或者场景比较复杂的部分.选择缓存时需要谨慎.第四个环节,数据库中也...