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What's the Android ADB shell “dumpsys” tool and what are its benefits?
...ther total
size: 2868 5767 N/A 8635
allocated: 2861 2891 N/A 5752
free: 6 2876 N/A 2882
(Pss): 532 80 2479 3091
(shared dirty): 932 2004 6060 8996
(priv dirty)...
Having links relative to root?
...tml#h-12.4.
Suggested reading:
http://www.motive.co.nz/glossary/linking.php
http://www.communitymx.com/content/article.cfm?cid=AEDCC52C4AD230AD
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How do I print to the debug output window in a Win32 app?
...GL project), you don't need to edit the properties, as this works better:
AllocConsole();
freopen("CONIN$", "r",stdin);
freopen("CONOUT$", "w",stdout);
freopen("CONOUT$", "w",stderr);
printf and cout will work as usual.
If you call AllocConsole before the creation of a window, the console will a...
How to identify CAAnimation within the animationDidStop delegate?
... wasted hours): don't expect to see the original animation object that you allocated passed back to you by
- (void)animationDidStop:(CAAnimation*)animation finished:(BOOL)flag
when the animation finishes, because [CALayer addAnimation:forKey:] makes a copy of your animation.
What you can rely ...
What exactly are “spin-locks”?
...als), making statically dispatched calls into any code one doesn't own, or allocating memory.
It's also important to note that SpinLock is a value type, for performance reasons. As such, one must be very careful not to accidentally copy a SpinLock instance, as the two instances (the original and the...
What is managed or unmanaged code in programming?
...hine it's running on, and creates a secure boundary in which all memory is allocated indirectly, and generally speaking, you don't have direct access to machine resources like ports, memory address space, the stack, etc. The idea is to run in a more secure environment.
To convert from a managed v...
Node.js throws “btoa is not defined” error
... is deprecated due to security and usability issues. Please use the Buffer.alloc(), Buffer.allocUnsafe(), or Buffer.from() methods instead.
– Rodrigo De Almeida Siqueira
Jun 13 '19 at 13:14
...
What are the differences between vector and list data types in R?
...
As someone who's just gotten into R, but comes from a C/Java/Ruby/PHP/Python background, here's how I think of it.
A list is really an array + a hashmap. It's a PHP associative array.
> foo = list(bar='baz')
> foo[1]
'baz'
> foo$bar
'baz'
> foo[['bar']]
'baz'
A vector is a f...
In STL maps, is it better to use map::insert than []?
...es") and are destroyed.
Which means extra time for:
1. One objects memory allocation
2. One extra constructor call
3. One extra destructor call
4. One objects memory deallocation
If your objects are large, constructors are typical, destructors do a lot of resource freeing, above points count even ...
REDHAT 6.4 X64下ORACLE 11GR2静默安装 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
...e is desired.
# If Automatic Memory Management is not desired, and memory allocation
# is to be done manually, then set it to false.
#11g的新特性自动内存管理，也就是SGA_TARGET和PAG_AGGREGATE_TARGET都不用设置了，Oracle会自动调配两部分大小。
#----------------------...