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Swift - How to convert String to Double
I'm trying to write a BMI program in swift language.
And I got this problem: how to convert a String to a Double?
29 Answer...
How to create a cron job using Bash automatically without the interactive editor?
Does crontab have an argument for creating cron jobs without using the editor (crontab -e). If so, What would be the code create a cronjob from a Bash script?
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What is the syntax rule for having trailing commas in tuple definitions?
...sts, or function arguments is good style especially when you have a long initialisation that is split over multiple lines. If you always include a trailing comma then you won't add another line to the end expecting to add another element and instead just creating a valid expression:
a = [
"a",
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Is there a way to 'pretty' print MongoDB shell output to a file?
...ile. The JSON object is too large so I'm unable to view the entire object with the shell window size.
10 Answers
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How can I initialize an ArrayList with all zeroes in Java?
It looks like arraylist is not doing its job for presizing:
5 Answers
5
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Select unique or distinct values from a list in UNIX shell script
...ues, newline separated, and I want to see only the unique/distinct values. It is possible to do this?
8 Answers
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Error: Could not find or load main class in intelliJ IDE
...d am trying to run my code using IntelliJ that I just installed as my IDE with JDK 1.7. The following piece of code keeps does not even compile and keeps giving me the error:
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Paste in insert mode?
Is it possible to paste in insert mode in Vim?
11 Answers
11
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How can I create a keystore?
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To answer the question in the title, you create a keystore with the Java Keytool utility that comes with any standard JDK distribution and can be located at %JAVA_HOME%\bin. On Windows this would usually be C:\Program Files\Java\jre7\bin.
So on Windows, op...
How to remove a key from Hash and get the remaining hash in Ruby/Rails?
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Rails has an except/except! method that returns the hash with those keys removed. If you're already using Rails, there's no sense in creating your own version of this.
class Hash
# Returns a hash that includes everything but the given keys.
# hash = { a: true, b: false, c: n...