大约有 36,000 项符合查询结果（耗时：0.0485秒） [XML]
Database sharding vs partitioning
...important to understand that databases are extremely resource intensive:
CPU
Disk
I/O
Memory
Many DBA's will partition on the same machine, where the partitions will share all the resources but provide an improvement in disk and I/O by splitting up the data and/or index.
While other strategies ...
Performance of Java matrix math libraries? [closed]
...composition of a random 1024x1024 matrix.
Machine: Intel(R) Core(TM)2 Duo CPU E6750 @ 2.66GHz, linux x64
Octave code: A=rand(1024); tic;[U,S,V]=svd(A);toc
results execution time
---------------------------------------------------------
Octave ...
Significance of bool IsReusable in http handler interface
...
Context switching is when a CPU stops processing on one thread and starts processing on another. I.E. the CPU switched it's context from one thread to another. This happens constantly in PCs, it gave us the illusion of multitasking before there were m...
App Inventor 2开发简单计算器 - App Inventor 2 中文网 - 清泛IT论坛，有思想、有深度
...序执行过程、跟踪变量值的方法，可以帮我们找到原因。问题出在输入等号之后，此时： 前数=计算结果 后数=0 算符=“”接下来输入算符，由于算符=“”，因此执行点击算符过程的“如果...则”分支，第一行代码为【前数=后数...
Should I embed images as data/base64 in CSS or HTML
...a terrible strain on the server's resources! Images are traditionally very CPU intensive to compress, with very little reduction in size.
share
|
improve this answer
|
foll...
How to detect DIV's dimension changed?
...ion. It uses an event-based approach, so it's damn fast and doesn't waste CPU time.
Example:
new ResizeSensor(jQuery('#divId'), function(){
console.log('content dimension changed');
});
Please do not use the jQuery onresize plugin as it uses setTimeout() in combination with reading the DOM...
Volatile vs Static in Java
...
What is the cache when you say "locally cached"? CPU cache, some kind of JVM cache?
– mert inan
Dec 17 '12 at 21:15
6
...
Is memcached a dinosaur in comparison to Redis? [closed]
...ance peak with only a few concurrent requests since it only makes use of 1 cpu core/thread. The suggested method of circumventing this is to run multiple instances of Redis on one machine with consistent hashing, but this is a really poor solution. So if you need high concurrency and have multi-core...
What is the native keyword in Java for?
...is could be used to:
write faster code on a critical section with better CPU assembly instructions (not CPU portable)
make direct system calls (not OS portable)
with the tradeoff of lower portability.
It is also possible for you to call Java from C, but you must first create a JVM in C: How to ...
If Python is interpreted, what are .pyc files?
...instructions, just not native machine instructions for the host's physical CPU. Hence why we call it a VM ? Like Esperanto for assembly language really. Nowadays we even have native code for fictional (but still emulated) CPU's (Mojang's effort to get the kiddies interested). Rexx was (or could be) ...