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Ruby on Rails: How do you add add zeros in front of a number if it's under 10?
I'm looking to convert single digit numbers to two-digit numbers like so:
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MySQL DISTINCT on a GROUP_CONCAT()
I am doing SELECT GROUP_CONCAT(categories SEPARATOR ' ') FROM table . Sample data below:
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Method to Add new or update existing item in Dictionary
In some legacy code i have see the following extension method to facilitate adding a new key-value item or updating the value, if the key already exists.
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Android: create a popup that has multiple selection options
I've been searching around trying to figure out how to create a popup or a dialog that has 4 options to choose from.
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Find rows with multiple duplicate fields with Active Record, Rails & Postgres
What is the best way to find records with duplicate values across multiple columns using Postgres, and Activerecord?
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PowerShell: Store Entire Text File Contents in Variable
I'd like to use PowerShell to store the entire contents of a text file (including the trailing blank line that may or may not exist) in a variable. I'd also like to know the total number of lines in the text file. What's the most efficient way to do this?
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Android: When is onCreateOptionsMenu called during Activity lifecycle?
I put a couple of breakpoints in onCreate (one at the beginning, and one at the end of the method), and I also put one at the beginning of onCreateOptionsMenu . The onCreate method is called first, and before it finishes onCreateOptionsMenu is called.
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Why can't I initialize non-const static member or static array in class?
Why can't I initialize non-const static member or static array in a class?
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Is it possible to execute code once before all tests run?
Basically I would like to tell MSTest to execute a bit of code before launching into a series of test runs, essentially what I would like to do is the same thing as sticking some code in Main() .
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RegEx to make sure that the string contains at least one lower case char, upper case char, digit and
What is the regex to make sure that a given string contains at least one character from each of the following categories.
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