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boost::flat_map and its performance compared to map and unordered_map
It is common knowledge in programming that memory locality improves performance a lot due to cache hits. I recently found out about boost::flat_map which is a vector based implementation of a map. It doesn't seem to be nearly as popular as your typical map / unordered_map so I haven't been able ...
Why is the gets function so dangerous that it should not be used?
When I try to compile C code that uses the gets() function with GCC, I get this warning:
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FTP/SFTP access to an Amazon S3 Bucket [closed]
Is there a way to connect to an Amazon S3 bucket with FTP or SFTP rather than the built-in Amazon file transfer interface in the AWS console? Seems odd that this isn't a readily available option.
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Customizing Bootstrap CSS template
I am just getting started with Bootstrap from Twitter and am wondering what the ‘best practices’ is for customization. I want to develop a system that will take advantage of all the power of a css template (Bootstrap or other), be completely (and easily) modifiable, be sustainable (ie – when t...
PostgreSQL: Which Datatype should be used for Currency?
Seems like Money type is discouraged as described here
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Why charset names are not constants?
Charset issues are confusing and complicated by themselves, but on top of that you have to remember exact names of your charsets. Is it "utf8" ? Or "utf-8" ? Or maybe "UTF-8" ? When searching internet for code samples you will see all of the above. Why not just make them named constants and use ...
Measure the time it takes to execute a t-sql query
I have two t-sql queries using SqlServer 2005. How can I measure how long it takes for each one to run?
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How do I check if there are duplicates in a flat list?
For example, given the list ['one', 'two', 'one'] , the algorithm should return True , whereas given ['one', 'two', 'three'] it should return False .
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Explanation of [].slice.call in javascript?
I stumbled onto this neat shortcut for converting a DOM NodeList into a regular array, but I must admit, I don't completely understand how it works:
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Why do people write the #!/usr/bin/env python shebang on the first line of a Python script?
It seems to me like the files run the same without that line.
21 Answers
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