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Class does not implement its superclass's required members
...nt (i.e. in Objective-C, since the day I started programming Cocoa back in Mac OS X 10.0) to deal with initializers that your class is not prepared to handle. The docs have always been quite clear about your responsibilities in this regard. But how many of us bothered to fulfill them, completely and...
Colors in JavaScript console
...
on Mac OS X it's at ~/Library/Application\ Support/Google/Chrome/Default/User\ StyleSheets/Custom.css.
– Lance Pollard
Nov 17 '11 at 21:58
...
PHP parse/syntax errors; and how to solve them
...s \n newlines, not \r carriage returns.
Which is occasionally an issue for MacOS users (even on OS X for misconfigured editors).
It often only surfaces as an issue when single-line // or # comments are used. Multiline /*...*/ comments do seldom disturb the parser when linebreaks get ignored.
If y...
How to avoid reverse engineering of an APK file?
...
First rule of app security: Any machine to which an attacker gains unrestricted physical or electronic access now belongs to your attacker, regardless of where it actually is or what you paid for it.
Second rule of app security: Any software that leaves the...
Replacing a 32-bit loop counter with 64-bit introduces crazy performance deviations with _mm_popcnt_
...it's hard to read if I put results in comment.
I get these results with a Mac Pro (Westmere 6-Cores Xeon 3.33 GHz). I compiled it with clang -O3 -msse4 -lstdc++ a.cpp -o a (-O2 get same result).
clang with uint64_t size=atol(argv[1])<<20;
unsigned 41950110000 0.811198 sec 12.9263 GB/...
What are the calling conventions for UNIX & Linux system calls (and user-space functions) on i386 an
...default-calling-convention
x86-64 Linux System Call convention:
x86-64 Mac OS X is similar but different. TODO: check what *BSD does.
Refer to section: "A.2 AMD64 Linux Kernel Conventions" of System V Application Binary Interface AMD64 Architecture Processor Supplement. The latest versions of...
Is MATLAB OOP slow or am I doing something wrong?
...picture has changed enough to update this.
Arch: PCWIN Release: 2011b
Machine: R2011b, Windows XP, 8x Core i7-2600 @ 3.40GHz, 3 GB RAM, NVIDIA NVS 300
Doing each operation 100000 times
style total µsec per call
nop() function: 0.01578 0.16
n...
How to get started with developing Internet Explorer extensions?
... BHO
{
RegistryKey registryKey = Registry.LocalMachine.OpenSubKey(RegBHO, true);
if (registryKey == null)
registryKey = Registry.LocalMachine.CreateSubKey(RegBHO);
RegistryKey key = registryKey.OpenSubKey(guid);
...
Favicons - Best practices
...con-16x16.png" sizes="16x16">
<!-- favicon-32x32.png - For Safari on Mac OS. -->
<link rel="icon" type="image/png" href="/content/images/favicon-32x32.png" sizes="32x32">
<!-- Android/Chrome -->
<!-- manifest-json - The location of the browser configuration file. It contains...
Android应用开发性能优化完全分析 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...些对象，而不用每次new与释放。
避免代码设计模式的错误造成内存泄露；譬如循环引用，A持有B，B持有C，C持有A，这样的设计谁都得不到释放。
关于规避内存泄露上面我只是列出了我在项目中经常遇见的一些情况而已，...