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Proper use of errors
I'm using TypeScript for a reasonably large project, and am wondering what the standard is for the use of Error s. For example, say I hand an index out of bounds exception in Java:
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Why do I get a warning every time I use malloc?
If I use malloc in my code:
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Temporarily switch working copy to a specific Git commit
How to switch to specific Git commit without losing all the commits made after it ?
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Example for sync.WaitGroup correct?
Is this example usage of sync.WaitGroup correct? It gives the expected result, but I am unsure about the wg.Add(4) and the position of wg.Done() . Does it make sense to add the four goroutines at once with wg.Add() ?
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How do I get AWS_ACCESS_KEY_ID for Amazon?
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Go to: http://aws.amazon.com/
Sign Up & create a new account (they'll give you the option for 1 year trial or similar)
Go to your AWS account overview
Account menu in the upper-right (has your name on it)
sub-menu: Security Credentials
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What is the meaning of erb?
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erb stands for "Embedded RuBy". A .html.erb or .erb.html file is HTML with Ruby code embedded in; Rails will evaluate the Ruby to add content to the file dynamically, and will output a "pure" HTML file for rendering.
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How do .gitignore exclusion rules actually work?
I'm trying to solve a gitignore problem on a large directory structure, but to simplify my question I have reduced it to the following.
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SVG fill color transparency / alpha?
Is it possible to set a transparency or alpha level on SVG fill colours?
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How to use GNU Make on Windows?
I installed MinGW and MSYS, added C:\MinGW\bin to PATH but I still can't run Makefile on Windows' cmd . I would like to run cmd.exe and there type, for example, make all but my cmd says that there is no such command.
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How to select only the first rows for each unique value of a column
Let's say I have a table of customer addresses:
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