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Difference between wait and sleep
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368
wait waits for a process to finish; sleep sleeps for a certain amount of seconds.
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C Macro definition to determine big endian or little endian machine?
...32_H
#include <limits.h>
#include <stdint.h>
#if CHAR_BIT != 8
#error "unsupported char size"
#endif
enum
{
O32_LITTLE_ENDIAN = 0x03020100ul,
O32_BIG_ENDIAN = 0x00010203ul,
O32_PDP_ENDIAN = 0x01000302ul, /* DEC PDP-11 (aka ENDIAN_LITTLE_WORD) */
O32_HONEYWELL_ENDI...
How do .gitignore exclusion rules actually work?
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answered Jun 8 '10 at 23:00
ChrisChris
9,86611 gold badge3535 silver badges4545 bronze badges
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How to convert byte array to string and vice versa?
... a String using:
byte[] bytes = {...}
String str = new String(bytes, "UTF-8"); // for UTF-8 encoding
There are a bunch of encodings you can use, look at the Charset class in the Sun javadocs.
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搭建高可用mongodb集群（四）—— 分片 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...好了，安装软件！
1、准备机器，IP分别设置为： 192.168.0.136、192.168.0.137、192.168.0.138。
2、分别在每台机器上建立mongodb分片对应测试文件夹。
#存放mongodb数据文件
mkdir -p /data/mongodbtest
#进入mongodb文件夹
cd /data/mongodbtest
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WKWebView not loading local files under iOS 8
For previous iOS 8 betas, load a local web app (in Bundle) and it works fine for both UIWebView and WKWebView , and I even ported a web game using the new WKWebView API.
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__attribute__ - C/C++ - 清泛网 - 专注C/C++及内核技术
...对，可以这么写：
struct foo { int x[2] __attribute__ ((aligned (8))); }; 如上所述，你可以手动指定对齐的格式，同样，你也可以使用默认的对齐方式。如果aligned后面不紧跟一个指定的数字值，那么编译器将依据你的目标机器 情况使用...
How to select the last record of a table in SQL?
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answered Mar 4 '11 at 8:48
Adriaan StanderAdriaan Stander
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C++ : why bool is 8 bits long?
In C++, I'm wondering why the bool type is 8 bits long (on my system), where only one bit is enough to hold the boolean value ?
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How to change Android version and code version number?
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answered Mar 8 '14 at 20:35
Ajay SAjay S
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