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How to create default value for function argument in Clojure
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A function can have multiple signatures if the signatures differ in arity. You can use that t...
Can an Option in a Select tag carry multiple values?
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15 Answers
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Rails: Why does find(id) raise an exception in rails? [duplicate]
If there is no user with an id of 1 in the database, trying User.find(1) will raise an exception.
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Failed to install Python Cryptography package with PIP and setup.py
...ample:
C:\> \path\to\vcvarsall.bat x86_amd64
C:\> set LIB=C:\OpenSSL-1.0.1f-64bit\lib;%LIB%
C:\> set INCLUDE=C:\OpenSSL-1.0.1f-64bit\include;%INCLUDE%
C:\> pip install cryptography
Building cryptography on Linux
cryptography should build very easily on Linux provided you have a C compil...
Concurrent vs serial queues in GCD
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A simple example: you have a block that takes a minute to execute. You add it to a queue from t...
R data formats: RData, Rda, Rds etc
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Rda is just a short name for RData. You can just save(), load(), attach(), etc. just like you ...
How can I get a count of the total number of digits in a number?
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16 Answers
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