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Why is require_once so bad to use?
...em keeps a log of what's already been included/required. Every *_once call m>me m>ans checking that log. So there's definitely som>me m> extra work being done there but enough to detrim>me m>nt the speed of the whole app?
... I really doubt it... Not unless you're on really old hardware or doing it a lot.
If yo...
What is the C runtim>me m> library?
What actually is a C runtim>me m> library and what is it used for? I was searching, Googling like a devil, but I couldn't find anything better than Microsoft's: "The Microsoft run-tim>me m> library provides routines for programming for the Microsoft Windows operating system. These routines automate many commo...
Invalidating JSON Web Tokens
...king about switching over from a cookie based session approach (by this, I m>me m>an, storing an id to a key-value store containing user sessions in a user's browser) to a token-based session approach (no key-value store) using JSON Web Tokens (jwt).
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How does a public key verify a signature?
...keys work. I understand that a sender may add a digital signature to a docum>me m>nt using his/her private key to essentially obtain a hash of the docum>me m>nt, but what I do not understand is how the public key can be used to verify that signature.
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In Functional Programming, what is a functor?
I've com>me m> across the term 'Functor' a few tim>me m>s while reading various articles on functional programming, but the authors typically assum>me m> the reader already understands the term. Looking around on the web has provided either excessively technical descriptions (see the Wikipedia article ) or incred...
What is the purpose of wrapping whole Javascript files in anonymous functions like “(function(){ … }
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It's usually to nam>me m>space (see later) and control the visibility of m>me m>mber functions and/or variables. Think of it like an object definition. The technical nam>me m> for it is an Imm>me m>diately Invoked Function Expression (IIFE). jQuery plugins are us...
LINQ-to-SQL vs stored procedures? [closed]
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Som>me m> advantages of LINQ over sprocs:
Type safety: I think we all understand this.
Abstraction: This is especially true with LINQ-to-Entities. This abstraction also allows the fram>me m>work to add additional improvem>me m>nts that you...
live output from subprocess command
I'm using a python script as a driver for a hydrodynamics code. When it com>me m>s tim>me m> to run the simulation, I use subprocess.Popen to run the code, collect the output from stdout and stderr into a subprocess.PIPE --- then I can print (and save to a log-file) the output information, and check for ...
Is it better to specify source files with GLOB or each file individually in CMake?
...ays to specify the source files for a target.
One is to use globbing ( docum>me m>ntation ), for example:
5 Answers
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How do cache lines work?
...ich - for instance, on my Atom processor - brings in about 64 bytes at a tim>me m>, whatever the size of the actual data being read.
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