strace hwclock看到ioctl調用 讀取rtc時間 int fd; struct rtc_time rtc_tm; int ret; fd = open("/dev/rtc0", O_RDONLY, 0); // the ioctl command RTC_RD_TIME is used to read the current timer. // about the detail ioctl command,
人們經常會問,技術或者科學演講能否像非技術演講那麼深入人心?誠然,並非所有的演講都具有諾貝爾獎那般驚天動地的影響力,但我估計當你在描述你的研究成果,或討論最新一期學術期刊時,你的聽眾很有可能把你視為天外來客。我知道你要說的肯定很重要,否則何必浪費時間?但既然它如此重要,就更應該講究效果。從沒有人說過"清晰表達"以及“聯絡觀眾”是有效溝通的充分條件,但我們必須說這是必要條件。三年前我曾就技術演講技巧給過人們一些建議,我至今仍然堅信當年引用過的一句箴言,由 工程師及科學家 Jay H.
Implicit vs Explicit SharingImplicit sharing might not be right for the Employee class. Consider a simple example that creates two instances of the implicitly sharedEmployee class. #include "employee.h" int main() { Employee e1(1001, "Albrecht
http://www.starnet.com/xwin32kb/Couldnt_get_an_RGB_Double_buffered_VisualWhen running an OpenGL application, the app may fail with the following error"Error: couldn't get an RGB, Double-buffered visual"Newer versions of the GLX library favor direct
glibc 各個庫作用介紹Library componentContentInclusion guidelinesld(This library component is not itself a library. Instead, ld.so is an executable invoked by the ELF binary format loader to load the dynamically linked libraries into an application’s memory
Private implementation slots Disclaimer: this article descrbes techiques that are not part of the public Qt API, using them may result in non-portable or version specific code. The example below was tested with version 4.3.3 on 64bit Linux. Ok so,
XDMCP, which stands for "X Display Manager Control Protocol" 1. 首先配置Ubuntu使之允許遠端存取點擊 System -> Preference -> Remote Desktop,允許遠端連線即可。 2.修改gdm設定檔sudo cp /usr/share/doc/gdm/examples/custom.conf /etc/gdm/fengyun@fengyun-server:~$ vi
Detailed DescriptionThe QEvent class is the base class of all event classes. Event objects contain event parameters.Qt's main event loop (QCoreApplication::exec()) fetches native window system events from the event queue, translates them into
http://busybox.net/downloads/BusyBox.htmlLIBC NSSGNU Libc (glibc) uses the Name Service Switch (NSS) to configure the behavior of the C library for the local environment, and to configure how it reads system data, such as passwords and group
ARMADA Series NoProduct namePart NumbersCPU Base ArchitectureI/O SupportFrequencyNumber of IssuesCacheDDR ControllerPackage SizePackage TypeBall PitchI-TempEvaluation BoardSoftware1ARMADA 300 Family88F6282 More Info