Ten years of programming (1): qianchuan 1 -- Record my electronic products
Address: http://www.cnblogs.com/AndersLiu/archive/2011/04/19/programming10years.html-01
Author: Anders Liu
Friends born in 1980s have rich experience in electronic products. I 've talked about what I 've met, and you recall what you 've touched.
When I was just remembering this, I lived in the countryside. At that time, I had an electronic tube radio and a 12-inch black and white TV. (Of course, in the middle and late 198
hours to drain power;
The demand for radio power increases with the evolution of wireless standards;
The power consumption of the radio module is second only to the device screen;
The power consumption process of radio communication is non-linear during data transmission.
So, since the radio module consumes so much power, it is necessary to use as few radio interfaces as possible when developing applications. If there is a data transfer requirement, transmit the data as much as
what is broadcastLife's TV channels, radios, mobile phones, have their own specific broadcasts, whether or not someone cares, listen to, regardless of whether you watch TV, each channel is implemented according to their own progress to play, Radio is! So that's what I understand about the Android broadcasting mechanism--the broadcast publisher is only responsible for sending out the events that are happening, and it doesn't matter if there is a listen
I'm a retro fan, collecting a bunch of medieval typewriters, vintage radios, and this is my valuable collection. I like the retro design of the simple and rich soul feeling, when you touch them, as if suddenly back to the past, yellowing of the memory and once beautiful.
Today, write a vintage car poster tutorial, the tool is PS this tutorial can not only help you learn retro car poster design, but also teach you a technique, a retro sense of the cre
This article mainly introduces the jquery clean up the form data example, needs the friend to refer to under nbsp; Code as follows: function ClearForm (form) {nbsp;//iterate over all of the ' inputs for the ' form nbsp;//element that is P Assed in nbsp; $ (': input ', form). each (function () {nbsp; nbsp; var type = This.type nbsp; nbsp; var tag = This.tagna Me.tolowercase (); Normalize case nbsp; nbsp;//It's OK to reset the value attr of text inputs, nbsp; nbsp;//password inputs, and T Extare
usePython develops any type of mobile app. In fact, Python is one of the simplest languages, so learning it is not a big, difficult task. Anyone can get started with Python quickly. With practice, you can easily develop a simple game within two days (and this is based on the fact that you don't have any programming basis). Another factor that makes Python popular is its readability and efficiency. It also has a comprehensive library of built-in functions, so many programs are written in Python.
4G In fact and five-mode 13-frequency is a means to support five-mode 13-frequency mobile phone, that is, support China Mobile and Unicom's 2G, 3g,4g network, that is, double 4G. Such a mobile phone as long as the mobile card, is to support the mobile 2G, 3G, 4G network, if the Unicom card, support Unicom 2G, 3G, 4G network, it is omnipotent.
What is the difference between the four and 13/17 frequencies?
In fact, the frequency of network system, refers to each of the network frequency bands,
', {expires:date});
6. Disable "Enter" in the form to prevent users from accidentally submitting the form
$ ("#form"). KeyPress (function (e) {
if (E.which =) {return
false;
}
});
7. Clear all the form data
function ClearForm (form) {//iterate over all of the inputs for the
form
//element that is passed in
$ (': in Put ', form]. each (function () {
var type = This.type;
var tag = This.tagName.toLowerCase (); Normalize case
//It's OK to reset the value attr of
There is a need to do the project now:
First look at the picture ^ ^
Requirements:
1, when you click Export Excel, if it is "check export" or "export without paging", the following text box can not be modified
2, when clicking "Page Export", the value in the first text box can be modified, but the value in the second text box can not be modified manually, but will change with the value entered in the first text box
Realize:
This page I do not say how to do, we look at the key, how to ach
experience. This is because in the Windows Phone's ecology, the application is very restrictive, unable to access the information at the bottom of the operating platform, to ensure that the user's information security. But in the escape ecology, the application can be unscrupulous in the user is not aware of the operation platform to invoke the underlying information. At the same time, viruses and malicious programs in the official application of the ecological strict audit of the situation rep
Troubleshoot problems with Wi-Fi wireless connection failure
Wireless network fault Many more than one, there are many "incurable diseases." So this article mainly explores the reasons for the failure of Wi-Fi wireless connection. Through six aspects, for everyone to analyze the reasons and solutions. I hope this article will help you solve the problem.
Wi-Fi wireless connection failure reason one radio interference
Radios may come from a wide rang
It is important to understand how the chat robot (chatbots) works. A basic mechanism of chat bots is to use text classifiers for intent recognition. Let's look at how the Artificial neural network (ANN) works internally.
In this tutorial, we will use the 2-layer neuron (a hidden layer) and the word bag (bag of words) method to organize our training data. There are three ways to classify text: pattern matching, traditional algorithms and neural networks. Although the algorithm using a number of n
gradually return to normal state. Encountered this situation should be resolved as soon as possible, or because of leakage caused by local circuit short-circuit, and finally led to the display peripheral high-voltage circuit part of the damage.
Eliminate leakage fault is not complicated, first the display shell open, check the display internal components, circuit board whether there is "mildew" (this is the main cause of leakage), once found should find ways to give clearance. In addition, the
this method to test your own game while developing the game.
FM Radio
The radio API is provided in the WP7, and it can be seen that there are radios in the real machine in the future. The API for this radio is singleton mode, which means that an application can have only one radio instance. But there are only three areas to be heard: Europe, Japan, United States.
FMRadio radio = FMRadio.Instance; radio.CurrentRegion = RadioRegion.Europe; radio.Fre
Wi-Fi wireless network is also our more common network. So for this fault, let's briefly introduce one, that is, Wi-Fi wireless connection is not a problem. Wireless network fault Many more than one, there are many "incurable diseases." So this article is mainly about Wi-Fi wireless connection is not the reason. Through six aspects, for everyone to analyze the reasons and solutions. I hope this article will help you solve the problem.
A radio disturbance
R
, different users of the packet is a tick transfer. Single channel radio communication, is also a relatively simple application, at the same time only one person to speak, different people must speak in turn.Frequency Division Multiplexing : At the same time, the same line, different signals using different basic frequency transmission simultaneously, because the base frequency is different so that each other does not interfere, the terminal equipment through the selection of frequency to the si
"); // obtain all elements on the page23 alert (images. length); // number of images4 alert (images [0]. src); // src of the first image Element5 alert (images. item (0). src); // same as aboveThe getElementsByName () method obtains an element through the name attribute of the element. It accepts a parameter that is used to obtain the name attribute of the element. It is often used to obtain the single-choice button.1
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3
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5
Var radios =
Working on a small project, querying data from the database in an HTML table. Now you want to export data from this table. Another user needs to select the exported columns. This needs to be done using the JQuery export plugin. jQuery Plugin to Export HTML TablesExample:Import Plugins:Html: href="#" OnClick ="$(' #table-name ').Tableexport({type:' Excel ',Separator:'; ',Escape:' false '});" ID="Buttonexportdata" class="ui-btn ui-btn-inline ui-mini ui-shadow ui-corner-all">Export XLSThe plugin al
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