roximity beacon

speak more powerful, when a team of the various members of the technical level, the contribution of technology to leadership can be almost ignored, the relationship between the more affect one's leadership; When a programmer takes a managerial position, His technical skills are likely to have little or no special contribution to leadership, and may even undermine his influence-if he's everything.One of Weinberg's technical trilogy, "Becoming a technology leader," has been discussed in detail, a

The signal volume is mutually exclusiveSemaphore (AKA: Semaphore) is not the same as other process communication, the main purpose is to protect critical resources (process mutex). The process can determine, based on it, whether certain shared resources can be accessed. In addition to access control, it can also be used for process synchronization.First, the signal volume classificationTwo-value beacon: The value of the semaphore can only be 0 or 1Cou

in this world more than "himself" this father has the meaning of incense-bye. Because "oneself" this father adult one is in self-help to maintain this like human and inhuman vessel. Another father, who has more than at, a father who has a common language than his father, is in peace and contentment. Another new understanding of the "Father" as a looming beacon, as in those years, the city of honest tolerance. The four fathers played the story transfo

locationsMulti-directional antennas-the receiving range is usually slightly smaller than the antenna of the same powerOmni-directional antennas-capable of transmitting and receiving signals in any direction, providing maximum reception angle 2. GPS3, Access point APCommon products: OpenWrt or dd-wrt, you can turn the access point into a complete attack device.8.3 Discovery and monitoring802.11 the source and destination address of the data frame are always unencrypted.8.3.1 found wireless

Original article: http://djt.qq.com/article/view/6581. Ancient Messenger : Carriage, beacon, homing pigeon2. In1837 , the world's first telegraph was born,The American scientist, Moore, tries to use some "dots" and "strokes" to denote different letters, numbers, and punctuation marks, which are called "Morse codes" in a way that represents characters:"Point" corresponds to a short electric pulse, "stroke" corresponds to a long electrical pulse signal

for ipchains, but that's it! Any new framework from the same author is almost to solve the disadvantage of the previous framework, iptables as a rookie, in the time of cheering, no one will consider its drawbacks, everything is like this, right?Iptables's malpractice is gradually discovered, Rusty Russell as co-author of IPChains and iptables, its attitude towards the latter to replace the former is always conservative, a new framework needs another person or team to present, and not likely to

software for ease of use Security Test Software security Testing Performance testingPerformance testing requires testers to be proficient in performance testing tools such as QTP, LoadRunner, Jmeter. Visual Studio also provides a number of tools for performance testing. Requires testers to understand and script low-level protocolsPerformance testing is very technical content, very promising, is a professional development direction of software testers.Security testin

Thanks to the laptop connected to the router, so toss it up for a while, I'll go no matter how it's configured well anywayThere are a few problems here. A small count, from the beginningFirst hardware to ensure the switch to open the infinite network card, such as my is the FN+F3 keyThen perform the following:Iwconfig Wlan0 Txpower onThe first is to ensure that there is a NIC driver[Email protected] ~]# IwconfigLo no wireless extensions.Eth0 no wireless extensions.Wlan0 IEEE 802.11bgn ESSID: "Li

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grass yicai grabs yarn's head, and the Tomb of yarn, U, calls the yarn, Yun, Yun, Nan Cang, coal, turbulent investigation, NEDI, Zheng Cai, gun, fierce, violent, and resistant to yarn, Zheng Yun, tearing retreat yi Yu reef haze yi Song Yu is willing to look at the marsh, which of the following barries?The 0.5 points deducted from the title only represent a kind of personal preference, because my preference is more delicate. The concentration and smoothness of the fierce competition reminds me o