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What is the meaning of “__attribute__((packed, aligned(4))) ”

...gned(1))) sSampleStruct; so the above specified gcc attribute does not allow the structure padding. so the size will be 8 bytes. If you wish to do the same for all the structures, simply we can push the alignment value to stack using #pragma #pragma pack(push, 1) //Structure 1 ...... //Stru...
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How to replace spaces in file names using a bash script

...whole question is about micro-optimizing more or less. Isn't it fun, after all? ;-) – Michael Krelin - hacker Apr 26 '10 at 18:33 17 ...
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How to find elements by class

...h to only find those divs with a given class using BS3: mydivs = soup.findAll("div", {"class": "stylelistrow"}) share | improve this answer | follow | ...
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Add a new column to existing table in a migration

... }); } Then you can run your migrations: php artisan migrate This is all well covered in the documentation for both Laravel 3: Schema Builder Migrations And for Laravel 4 / Laravel 5: Schema Builder Migrations Edit: use $table->integer('paid')->after('whichever_column'); to add ...
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What's the meaning of exception code “EXC_I386_GPFLT”?

...hich is the x86's way to tell you that "you did something that you are not allowed to do". It typically DOESN'T mean that you access out of memory bounds, but it could be that your code is going out of bounds and causing bad code/data to be used in a way that makes for an protection violation of som...
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How to change Rails 3 server default port in develoment?

... First - do not edit anything in your gem path! It will influence all projects, and you will have a lot problems later... In your project edit script/rails this way: #!/usr/bin/env ruby # This command will automatically be run when you run "rails" with Rails 3 gems installed from the root...
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How to remove a key from Hash and get the remaining hash in Ruby/Rails?

... To add to Fryie's answer, you don't even need to load all of ActiveSupport; you can just include them then require "active_support/core_ext/hash/except" – GMA May 13 '16 at 7:33 ...
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What is the difference between require_relative and require in Ruby?

... the docs: require_relative complements the builtin method require by allowing you to load a file that is relative to the file containing the require_relative statement. For example, if you have unit test classes in the "test" directory, and data for them under the test "test/data" directo...
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How can I change Mac OS's default Java VM returned from /usr/libexec/java_home

...'`" But standard double-clickable application bundles don't use JDKs installed under /Library/Java at all. Old-style .app bundles using Apple's JavaApplicationStub will use Apple Java 6 from /System/Library/Frameworks, and new-style ones built with AppBundler without a bundled JRE will use the "p...
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Extract value of attribute node via XPath

... With xqilla it was necessary to call xs:string. I wonder why. – krlmlr Jul 22 '13 at 20:00 1 ...