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How to efficiently concatenate strings in go
In Go, a string is a primitive type, which means it is read-only, and every manipulation of it will create a new string.
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Can you add new statements to Python's syntax?
Can you add new statements (like print , raise , with ) to Python's syntax?
13 Answers
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How to change column datatype in SQL database without losing data
...and I just realized that I can change the type of one of the columns from int to bool .
11 Answers
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How to get the sizes of the tables of a MySQL database?
I can run this query to get the sizes of all tables in a MySQL database:
16 Answers
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How do you join on the same table, twice, in mysql?
I have 2 tables. One (domains) has domain ids, and domain names (dom_id, dom_url).
3 Answers
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“Ago” date/time functions in Ruby/Rails
I was wondering if there's a way in Rails to calculate time stamp like - half a minute ago, 2 minute ago, 1 day ago etc. Something like twitter real time date stamp.
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How can I match a string with a regex in Bash?
I am trying to write a bash script that contains a function so when given a .tar , .tar.bz2 , .tar.gz etc. file it uses tar with the relevant switches to decompress the file.
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Clearing using jQuery
Is it possible to clear an <input type='file' /> control value with jQuery? I've tried the following:
27 Answers
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Printing leading 0's in C?
I'm trying to find a good way to print leading 0's, such as 01001 for a zipcode. While the number would be stored as 1001, what is a good way to do it?
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Extract substring in Bash
Given a filename in the form someletters_12345_moreleters.ext , I want to extract the 5 digits and put them into a variable.
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