java.nio.channels 中的接口和类。A channel represents an open connection to an entity such as a hardware device, a file, a network socket, or a program compon...
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其他好文 时间:
2015-06-15 21:43:22
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130
Bootloader hardware requirement:The hardware required to put the STM32 into System memory boot mode consists of any circuitry, switch or jumper, capable of holding the BOOT0 pin high and the BOOT...
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2015-06-15 11:27:41
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216
Smartcard features on the YubiKey NEOYubiKeys are a line of small and low-cost hardware security tokens popular for their one-time password (OTP) func...
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2015-06-14 22:45:38
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339
The YubiKey NEOTheYubiKeyline of hardware one-time-password (OTP) generators has been on the market for a few years now—in 2010,we looked at theearlie...
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2015-06-14 22:45:32
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260
If you develop a performance-intensive 3D game, you’re always looking for ways to give users richer graphics, higher frame rates, and better responsiveness. You also want to conserve the user’s b...
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2015-06-10 17:32:13
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149
Adeneo Embedded: Building Qt 5.1 for Freescale i.MX6Introduction Currently there is not an easy procedure to build Qt 5.1 with hardware acceleration s...
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2015-06-09 11:16:47
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212
在学习加法计算器时,程序运行后发现点击模拟器上的输入框时有时候键盘可以弹出来,有时候又弹不出来。网上查询结果只需要在模拟器的菜单中找到hardware -> keyboard -> 取消勾掉connect hardware keyboard(快捷键shift+command+k)就可以了。原因是因为...
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2015-06-08 23:19:44
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159
参考资料:程序员的自我修养 系统调用执行过程计算机系统可以分为若干层,硬件层(Hardware)、操作系统内核层(Operating System Kernel)、运行库层(Runtime Library)、应用层(Web Browser, Image View etc.)。位于最底下的一层...
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2015-06-06 23:27:20
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179
1637: Yet Satisfiability Again!Time Limit:5 SecMemory Limit:128 MBDescriptionAlice recently started to work for a hardware design company and as a par...
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2015-06-04 13:46:44
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时间在任何系统里都是最基本的部分,必不可少。本文介绍CentOS系统中与时间的相关命令。基本概念
硬件时钟(Hardware Clock)
硬件时钟,也叫实时时钟(RealTimeClock),或者BIOS时钟,或者CMOS时钟。它是位于机器主板上的实际硬件设备,一般靠电池维持运行。所以,即使机器关机,它也会一直保持记录当前时间,一般不是十分精确。
系统时间(System Time)
系统时间指...
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其他好文 时间:
2015-06-03 21:35:56
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130