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How to generate a random string in Ruby
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34 characters and blazing fast: ('a'..'z').to_a.shuffle[0,8].join. Note you'll need Ruby >=1.9 to shuffle.
– fny
Jun 14 '12 at 17:35
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How do I schedule jobs in Jenkins?
...ay at 8h00, this will do the job : 0 8 * * *
For the past few versions (2014), Jenkins have a new parameter, H (extract from the Jenkins code documentation):
To allow periodically scheduled tasks to produce even load on the system, the symbol H (for “hash”) should be used wherever possible.
For...
Calculating Pearson correlation and significance in Python
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edited Apr 5 '17 at 18:44
Martin Thoma
81.2k102102 gold badges454454 silver badges700700 bronze badges
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insert vs emplace vs operator[] in c++ map
...template arguments:
m.insert( std::make_pair<const K,V>(t,u) ); // 4
But that is still error prone in the same way that explicitly typing the type in case [1].
Up to this point, we have different ways of calling insert that require the creation of the value_type externally and the copy of...
How can I select random files from a directory in bash?
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184
Here's a script that uses GNU sort's random option:
ls |sort -R |tail -$N |while read file; do
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Calculate difference between two dates (number of days)?
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edited Sep 30 '14 at 13:39
Rohit
133 bronze badges
answered Oct 22 '09 at 13:48
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How to set up a cron job to run an executable every hour?
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4
You're right. && is much better if there is a chance the cd target doesn't exist (for example if the diretory is on an NFS server th...
Resizing UITableView to fit content
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edited Feb 3 '16 at 20:48
damien murphy.
36322 silver badges1616 bronze badges
answered Apr 7 '10 at ...
How do I run a batch script from within a batch script?
How do I call another batch script from within a batch script?
8 Answers
8
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What is “lifting” in Haskell?
...ould I first understand monads before understanding what a "lift" is? (I'm completely ignorant about monads, too :) Or can someone explain it to me with simple words?
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