what is gmrs radio

follow the rules of the computer. The role of the channel is to "mask" the way to deal with image color, for example, this is an image opened by PS, did not make any settings: We have selected the "channel" of all eyes, to see the image from the "Red", "green", "blue" three colors combined from the full image color. And when only the red column of the "Eyes", we entered the "Red channel", th

of traditional relational databases to address the performance of poor, and design use is not convenient. Object storage Db4oVersant The database is manipulated by object-oriented syntax, and data is accessed through objects. XML database Berkeley DB XMLBaseX Efficiently stores XML data and supports internal query

name implies, data is stored in columns. The biggest feature is the convenient storage of structured and semi-structured data, easy to do data compression, for a column or a few columns of the query has a very large IO advantage.Document storageMongodbCouchdbDocument storage is typically stored in a JSON-like format, and the stored content

operation refers to all the work related to the late operation of the website in the network Marketing system. Building a website is no stranger to most people. In particular, already have their own website of enterprises and institutions. However, the mention of site operations may not be understood by many people, the importance of the operation of the site is not clear,

Difference between ID and name in Form (input) However, name cannot be replaced in the following purposes: 1.Form Control name. The submitted data is controlled by the Control name rather than the ID. Because many names correspond to multiple controls at the same time, such as checkbox and radio, ID must be unique in the entire document. In addition, the browser will set the request sent to the server acc

distortion, even causes the digital circuit to fail. The propagation of noise is not limited to the transmission of radio waves by space, but also through the transmission of power lines to connected devices.1. What are the conditions for noise disturbance?There are 2 ways to solve the noise problem. One is to suppres

Radio box has the same effect, which means that the clickable area of the control is larger, because clicking on a label or control activates the control, which is especially useful for checkboxes and radio boxes. Now, what is th

Today I read a classmate's QQ signature, which says, "what is the use of 4 m broadband at the end of the BT age ". In China, on the one hand, China Telecom popularized higher, faster, and better network speeds. However, the speed of broadband is conducive to downloading some large files, while allowing more resources to be widely spread, but if the BT era

will be better.So, how do I buy headphones? In the past, a very simple method was adopted, that is, to directly connect to the radio and adjust it to a radio-less frequency, and use the radio to make the headset work for a long time, to achieve the effect of the host. However, this method

What is wi-fi) The IEEE 802.11b wireless network specification is a variant of the IEEE 802.11 Network specification. The maximum bandwidth is 11 Mbps. when the signal is weak or there is interference, the bandwidth can be adjuste

It can be said that almost everyone who has done Web development has asked, What is the difference between the element ID and Name? Why do I need a Name if I have an ID ?! We can also get the most classical answer: ID is like a person's ID card number, and Name is like his Name. ID

What does it mean that Linux is highly customized?-General Linux technology-Linux technology and application information. The following is a detailed description. First, you should understand that Windows is closed-source and not open-source. No matter how many people around the world use it, it belongs to Microsoft. I

Communication channels Language Communication channels Written Image ModeOne-to-one (face-to-face)· Group meeting· Speech· Movie· TV/video· Telephone (one-to-one/networking)· Radio· Video conferences · Letter· User telegram· Publications with large circulation· Publications with a small circulation· Fax· Advertisement· Computer· Reports· Email · Slides· Movie· TV/video· Projection· Photos, charts, graphs, and images· Qu

provide users with reference information for the user to choose, but the user can not modify the contents of the list box. The list box has 3 forms: the first is a simple list box, and everything you need to display is listed in the box; the second is a scrolling list box with a scroll bar (slider) at the border of the box to see

（转自http://www.linux178.com/web/httprequest.html）写的太好了，转一个。For the HTTP protocol, refer to the following:HTTP协议漫谈 http://kb.cnblogs.com/page/140611/HTTP协议概览 http://www.cnblogs.com/vamei/archive/2013/05/11/3069788.html了解HTTP Headers的方方面面 http://kb.cnblogs.com/page/55442/When we enter www.linux178.com in the address bar of the browser, and then go to enter, enter this moment to see what happened to the page?Domain name resolution--Initiates a TCP 3 hand

With the continuous maturation of communication technology and the increasing demand of users for communication quality, the existing GSM network will inevitably evolve to W-CDMA (wideband Code Division Multiple Access), which is estimated to take about 2-3 years, and the main wireless network equipment suppliers will be the earliest It will be 2002 years before a commercially available W-CDMA system can be provided. But this does not mean that mobile

What is the OneThinkoneThink background plugin adding step, onethink background. What is the OneThinkoneThink background plugin adding step, onethink background OneThink with its convenient site establishment, rich expansion, flexible secondary development, and cloud service support, add plug-in steps for the OneThink

What is the difference between date and gmdate in PHP? What is the difference between date and gmdate in PHP? The time in PHP has 2 formatting functions: Date () and Gmdate (), which are described in the official documentation: date-formatting a local time/date gmdate-formats a GMT/UTC date/time and returns the Greenw

-ins Here's the hook I created a indexfooter, because I just need to show the link at the bottom of the front page. We put all the above to tick on the hook, as to what the difference, we can build a few examples of their own to distinguish between the resulting file is the same. Ok! Here is our Friendship link plugin to create a good! Click "OK". (Here's