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Query for array elements inside JSON type
I'm trying to test out the json type in PostgreSQL 9.3.
I have a json column called data in a table called reports . The JSON looks something like this:
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Is there a way to make npm install (the command) to work behind proxy?
Read about a proxy variable in a .npmrc file but it does not work. Trying to avoid manually downloading all require packages and installing.
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Converting an integer to a hexadecimal string in Ruby
Is there a built in way to convert an integer in Ruby into its hexadecimal equivalent?
5 Answers
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Capitalize only first character of string and leave others alone? (Rails)
I'm trying to get Rails to capitalize the first character of a string, and leave all the others the way they are. I'm running into a problem where "i'm from New York" gets turned into "I'm from new york."
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Python: Select subset from list based on index set
I have several lists having all the same number of entries (each specifying an object property):
5 Answers
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Diff output from two programs without temporary files
Say I have too programs a and b that I can run with ./a and ./b .
6 Answers
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Most efficient way to remove special characters from string
I want to remove all special characters from a string. Allowed characters are A-Z (uppercase or lowercase), numbers (0-9), underscore (_), or the dot sign (.).
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Automatically plot different colored lines
I'm trying to plot several kernel density estimations on the same graph, and I want them to all be different colors. I have a kludged solution using a string 'rgbcmyk' and stepping through it for each separate plot, but I start having duplicates after 7 iterations. Is there an easier/more efficien...
Is it better to reuse a StringBuilder in a loop?
I've a performance related question regarding use of StringBuilder.
In a very long loop I'm manipulating a StringBuilder and passing it to another method like this:
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How to prevent page scrolling when scrolling a DIV element?
I have reviewed and tested the various functions for preventing the body ability to scroll whilst inside a div and have combined a function that should work.
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