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Timeout a command in bash without unnecessary delay

This answer to Command line command to auto-kill a command after a certain amount of time 23 Answers ...
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How to convert a string into double and vice versa?

I want to convert a string into a double and after doing some math on it, convert it back to a string. 12 Answers ...
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PHP: How to generate a random, unique, alphanumeric string for use in a secret link?

How would it be possible to generate a random, unique string using numbers and letters for use in a verify link? Like when you create an account on a website, and it sends you an email with a link, and you have to click that link in order to verify your account ...
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How can I split a text into sentences?

...Russian -- see can NLTK/pyNLTK work “per language” (i.e. non-english), and how?. – martineau Jan 2 '11 at 0:28 ...
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When is an interface with a default method initialized?

....4.1 ought to cover this definitively. However, the behavior of Oracle JDK and OpenJDK (javac and HotSpot) differs from what's specified here. In particular, the Example 12.4.1-3 from this section covers interface initialization. The example as follows: interface I { int i = 1, ii = Test.out("i...
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What is the difference between a var and val definition in Scala?

What is the difference between a var and val definition in Scala and why does the language need both? Why would you choose a val over a var and vice versa? ...
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write a shell script to ssh to a remote machine and execute commands

... There are multiple remote linux machines, and I need to write a shell script which will execute the same set of commands in each machine. (Including some sudo operations). How can this be done using shell scripting? You can do this with ssh, for example: #!/bin/ba...
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Counting the number of elements with the values of x in a vector

... x creates a logical vector which is TRUE at every location that x occurs, and when suming, the logical vector is coerced to numeric which converts TRUE to 1 and FALSE to 0. However, note that for floating point numbers it's better to use something like: sum(abs(numbers - x) < 1e-6). ...
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Seeking clarification on apparent contradictions regarding weakly typed languages

I think I understand strong typing , but every time I look for examples for what is weak typing I end up finding examples of programming languages that simply coerce/convert types automatically. ...
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Difference between git checkout --track origin/branch and git checkout -b branch origin/branch

Does anybody know the difference between these two commands to switch and track a remote branch? 4 Answers ...