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How to remove all debug logging calls before building the release version of an Android app?
...s when we call our Ant release target.
That way, we always have the debug info being output for regular builds and don't have to make any code changes for release builds. ProGuard can also do multiple passes over the bytecode to remove other undesired statements, empty blocks and can automatically...
Why malloc+memset is slower than calloc?
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@Pierreten - I can't find any good info on calloc()-specific optimizations and I don't feel like interpreting libc source code for the OP. Can you look up anything to show that this optimization doesn't exist / doesn't work?
– Chris Lutz
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HSL to RGB color conversion
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Ruby equivalent: rubydoc.info/gems/color/1.8/Color/RGB e.g. Color::HSL.new(40,50,60).to_rgb
– xxjjnn
Apr 18 '16 at 11:40
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What are the effects of exceptions on performance in Java?
... nice. ~70% creating the exception, ~30% throwing it. good info.
– chaqke
May 13 '15 at 19:01
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Why does PHP 5.2+ disallow abstract static class methods?
...abstract static is back, for good or ill. (see http://php.net/lsb for more info)
CORRECTION (by philfreo)
abstract static is still not allowed in PHP 5.3, LSB is related but different.
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impr...
What's the best online payment processing solution? [closed]
... and ask for payment, and then they send the cart back to you with payment info. This can make it a huge pain in the ass to integrate.
– Dan Udey
Jul 9 '09 at 21:51
add a comm...
How to fix “Headers already sent” error in PHP
...e.
summary ⇊
Otherwise the call fails:
Warning: Cannot modify header information - headers already sent (output started at script:line)
Some functions modifying the HTTP header are:
header / header_remove
session_start / session_regenerate_id
setcookie / setrawcookie
Output can be:
Uni...
Use C++ with Cocoa Instead of Objective-C?
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Mike, you are misinformed. Among their other shortcomings, Qt-based apps on the mac do not use the native controls at all, and the Qt library does all of the drawing itself. This means that Qt apps don't get any hardware acceleration for 2D...
“Eliminate render-blocking CSS in above-the-fold content”
...optimization yesterday:
CSS profiling for ... optimization
A lot of useful info on CSS and what CSS causes the most performance drains.
I saw the following presentation on jQueryUK on "hidden secrets" in Googe Chrome (Canary) Dev Tools:
DevTools Can do that.
Check out the sections on Time to First ...
Rails: How does the respond_to block work?
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Thank you Craig, that link actually had a ton of useful information as well, I didn't realise just how much is possible with method_missing, considering you can pass it arguments and a block!
– Aditya M P
Dec 17 '16 at 14:00
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