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Swift Beta performance: sorting arrays
...ted them yet. That's the theory I'm going with (for now… I still need to confirm that Clang does something about it), since a profiler run on the last test-case of this question yields this “pretty” result:
As was said by many others, -Ofast is totally unsafe and changes language semantics...
ruby system command check exit code
...
If you are in a rails console, testing this out, just keep in mind you may lose the value of $? so you need to capture it as part of your REPL command [10] pry(main)> system("touch /root/test 2> /dev/null") => false [11] pry(main)> $?.exitstat...
Convert string to integer type in Go?
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Here are three ways to parse strings into integers, from fastest runtime to slowest:
strconv.ParseInt(...) fastest
strconv.Atoi(...) still very fast
fmt.Sscanf(...) not terribly fast but most flexible
Here's a benchmark that shows usage and example timing for each function:
packa...
Setup RSpec to test a gem (not Rails)
... is pretty easy with the added generator of rspec-rails to setup RSpec for testing a Rails application. But how about adding RSpec for testing a gem in development?
I am not using jeweler or such tools. I just used Bundler ( bundle gem my_gem ) to setup the structure for the new gem and edit the *.g...
How to reliably open a file in the same directory as a Python script
...path that python was typed.
C:\Documents and Settings\Admin>python test.py
sys.argv[0]: test.py
C:\Documents and Settings\Admin>python "C:\Documents and Settings\Admin\test.py"
sys.argv[0]: C:\Documents and Settings\Admin\test.py
Ok so know you can get the file name, great b...
$apply vs $digest in directive testing
...rticular attribute on the scope, and I want to change that attribute in my test and verify that it responds correctly, which is the best way of doing that change?
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How to change port number for apache in WAMP
... than 80", an input box will pop up , input a new port in it，click confirm button , then restart wamp .
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Best approach to real time http streaming to HTML5 video client
...h.264 natively. Go to www.youtube.com/html5 with the latest FF browser to confirm. I Tested with FF 37. Safari 8+ on Mac also now supports MSE.
– BigTundra
May 8 '15 at 19:17
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How do I determine scrollHeight?
...rollHeight is a regular javascript property so you don't need jQuery.
var test = document.getElementById("foo").scrollHeight;
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Best way to work with transactions in MS SQL Server Management Studio
...nt that you can also (and should if what you are writing is complex) add a test variable to rollback if you are in test mode. Then you can execute the whole thing at once. Often I also add code to see the before and after results of various operations especially if it is a complex script.
Example ...