This article mainly introduces 3 kinds of image compression processing methods in Android, this article explains the quality compression method, obtains the thumbnail, the picture scaling three kinds of methods and gives the example code separately, needs the friend to be possible to refer to under
The existence of pictures in Android:
1: File form: Binary form exists with hard disk.
2: The form of the s
by Long LuoPersonal blog LinksRecently to interview, in a small company interview, the company's small boss gave me an algorithm problem:一个人爬楼梯,一步可以迈一级,二级,三级台阶,如果楼梯有N级,要求编写程序,求总共有多少种走法。This question should be a very old topic, in the middle school mathematics, is one 排列组合问题 . At that time, after getting this topic, first think 递归 of the idea used to solve the problem:N级楼梯问题可以划分为:N-1级楼梯,N-2级楼梯,N-3级楼梯的走法之和。First calculate how many kinds of 0,1,2,3 and s
Ejs template Four kinds of output in the Ejs template, the value of the server-side variable or expression is typically output in HTML in the following four ways: a. Write an expression or variable directly in 4 kinds of output modes of Ejs template
mentions xml-rpc (XML Remote Procedure call) before. It is a remote invocation specification that uses HTTP as the transport protocol and XML as the encoding method. The typical XML-RPC request is this:
POST http://www.example.com HTTP/1.1Content-Type: text/xml"1.0"?>/methodName>/i4>/value>/param>/params>/methodCall>
XML-RPC protocol is simple, function enough, all kinds of language implementation have. It is also widely used, su
The activity stack is primarily used to manage the shift of activity. When using intent to jump to a target activity, it needs to be loaded according to the load mode of the target activity.
The activity altogether has the following four kinds of Launchmode:
1.standard: By default, a new instance is created each time you use intent to jump to the target activity. The downside is that every time you enter, you create a new instance and execute the On
In fact, these three kinds of programming technology have advantages, we can probably from the language, platform of the two points to distinguish:
First, language:
PHP: PHP was created in 1994 with syntax mixed with C, Java, Perl, and some of his own programming syntax; PHP is embedded in HTML; it is also an explanatory language. Early PHP was not a complete object-oriented programming language, and the PHP4 version began to have an object-oriented
reference has been added to the reference queue. If the program finds that a virtual reference has been added to the reference queue, you can take the necessary action before the memory of the referenced object is reclaimed.
Further understanding soft references and weak references
For strong references, we usually use them when writing code. For the other three types of references, the most commonly used are soft and weak references, and these 2 kinds
JS Inheritance method is mainly 2 kinds, one is through the prototype way, one is by borrowing the Callapply constructor method. 1. Prototype (prototype):
function Body (name,age) {//Create a body class
this.name = name;//give the underlying property name, age
this.age = age;
}
Body.prototype.sayName =function () {//To define a Sayname method for the prototype
Console.log (this.name);
}
var a = new body (' Wutao ', ' 10 ');//Create a Bod
static void Main (string[] args) {
//seek 1-100 and
int sum = 0; Defines the variable sum, which is used to store the sum of the value
int i = 1; The definition of
the variable i do {//does is the dry
//system.out.println ("i =" + i); Loop body statement
sum +=i;
i++;
}
while (i
Output result: Sum = 5050
Summary: The difference between three kinds
With the rapid development of the Internet, online payment and collection is more and more convenient. But anything can not be an absolute advantage, the same network payment is also convenient at the same time also facilitates the fraud gang, but also led to the emergence of rogue virus software. The following eight kinds of cases to let you know eight kinds of cheater behavior, teach you to prevent tenpay
Today in order to see how people on the site is similar to the Horizontal tab switch effect is how to achieve, in fact, this is based on the specific business, you can have different methods, and pay attention to what I said here is similar. See how some large Web site is how to achieve, just look at others write the JS code, look more and more do not understand, write the code, look like a little Java-oriented object-oriented programming, not previously seen, but not before not careful study, b
This article is summed up in the day-to-day work, the following four kinds of parameters to convey the form of the show to everyone.
When to use GET, check, delete,
When to use post, add, change (Special column: Login with post, because the user name and password can not be displayed on the URL)
4 kinds of Get-pass mode
Copy Code code as follows:
Localhost:21811/handler1
Transferred from http://jixuewen.itpub.net/post/36408/460369
Three kinds of awareness of IT developers
Today I want to say is an IT research and development personnel must experience in the process of three of the transformation of consciousness, so as to truly grow up, become the backbone of it enterprises and the backbone of China's IT industry to develop the leading force. These three kinds of conscious
Very well do not want to say ...
I've got a new table, and then I've got all kinds of disability.
First of all, the table has completely abandoned the foreign key do not want to build
There was a plan to build a foreign key, but then it was too much trouble and I abandoned it.
Well, let's just make a list of the tangled questions down there.
1. Self-growth
In MySQL, the growth of the keyword is auto_increment, if you need to specify the starting val
Find too many people will not use the waiting, bloggers today is really can't help to tell you the need to wait.
A lot of people in the group asked, the dropdown box is not positioned, the pop-up box is not positioned ... A variety of positioning is not, in fact, in most cases is two kinds of problems: 1 frame,2 did not add to wait. As you know, the speed of your code is what level, and the browser load rendering speed is what magnitude, like the fla
In the development process, with the user interactive will inevitably use the dialog box to achieve a better user experience, so mastering several dialog box implementation method is very necessary. Make a brief introduction to Alertdialog before looking at specific examples. Alertdialog is the most feature-rich, Practice-wide dialog box that generates a variety of content dialogs. But in fact the Alertdialog generated dialog box can be divided into the following 4 areas: Icon area, title area,
Sinology Master Wang Guowei in the "Human CI" in the Cloud: the ancient and modern into the big cause, the great scholars, will pass through three kinds of realm: "Last night, the west wind of the Green tree." Alone on the high-rise, look at the Tianya road. "This first frontier too. "Shiriko end not regret, for Iraq to eliminate people haggard." "This second frontier also. "The public find him 1100 degrees, look back mo See, that person is, lights di
For excessive SEO or excessive optimization, many of our webmaster will be very conscious of not to do so, but really in the process of optimization is not very good to judge, because the excessive optimization has never been a good standard. I searched Baidu, found that Baidu Encyclopedia has not yet made an accurate explanation of the word, so to accurately grasp the excessive optimization is not a very easy thing. Today, Beijing SEO to share is about excessive SEO some views, explore the poss
When we make a SEO strategy for a site, we need to focus on a problem is the site's navigation. A site's navigation bar is like a book directory, which has the content of the search, reporting, guidance and other functions. As a visitor, we can borrow the site's navigation guidance site's theme and positioning, with the key role of guiding visitors, this site's navigation in an optimization project has a pivotal position. Talk about the navigation of the site, we need to know the structure of na
interpersonal communication, seven kinds of mentality most annoying
2007.08.31 from: Female managers Total Comments (5) Comments [favorites to my web pick]
people in the workplace, it is necessary to participate in social interaction, social scope and everyone's occupation, hobbies, lifestyle and geographical location has a great relationship. In real life, some people in social communication is not always make friends, or make friends not long, fri
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