After graduation, I am blindly engaged in my work. After one year, I suddenly found that I was too blind to work. At the beginning, I read books all day and read the posts posted on my blog.ArticleThere will always be some gains in this way, and the
Encapsulate a series of objects (dependencies exist in these series of objects). If these objects have multiple styles that need to be extended, the factory must be abstracted. If the style is not extended, but there are multiple implementations of this series of objects, there is no abstract factory, which is called a static factory.
In this way, we can deal with the extension of this series of object styles without changing the call points.
However, if the change point is on the number of obje
block, is unaffected ...");} /** * No exception occurs */public static void Noneexception () {int divisor = 10;int Dividend = 10;try {System.out.println (divisor + "/" + dividend + "=" + (divisor/dividend));} catch (Exception e) {System.out.println ("The code here only executes after an exception has occurred ..."); E.printstacktrace (); finally {System.out.println ("The code here always executes, regardless of whether there is an exception or if a return statement appears in the try block, is
The php page fails to receive the value. The current page is tp. php has a form to pass values to the current page, after clicking this button, the address bar does show the pass value content, but the current page's statement does not receive the value. Ask the experts to help you see what is going on. the PHPcode $ s php page fails to pass the value.
The current page is tp. php. there is a form to pass value to the current page,
After clicking the button, the address bar does show the value p
The php page fails to receive the value. The current page is tp. php has a form to pass values to the current page, after clicking this button, the address bar does show the pass-through content, but the statements on the current page cannot receive the value. Ask the experts to help you see what is going on. PHPcode $ sqlselect * fromphone; if (is php page, the value cannot be connected
The current page is tp. php. there is a form to pass value to the current page,
After clicking the button, t
The php page fails to receive the value. The current page is tp. php has a form to pass values to the current page, after clicking this button, the address bar does show the pass-through content, but the statements on the current page cannot receive the value. Ask the experts to help you see what is going on. PHPcode $ sqlselect * fromphone; if (isset (php page passed values cannot be connected to values
The current page is tp. php. there is a form to pass value to the current page,
After click
Package CN. Zhao. Moshi. Strategy;
Public interface idiscountstrategy
{
Float getdiscount (productbean probean );
}
Package CN. Zhao. Moshi. Strategy;
/**
* Discounts are made based on the unit price of the purchased item.
**/
Public class impldiscountbyprice implements idiscountstrategy
{
Public float getdiscount (productbean probean)
{
Float reint = 1.0f;
// If the unit price exceeds
def isphonenumber (text): #固定电话 If len (text)! =: return False # The number of bits is not enough for I in range (0, 4): if n OT Text[i].isdecimal (): return false # area code not if TEXT[4]! = '-': return False # no split symbol for I in Range (5, +): if not Text[i].isdecimal (): return False # detect phone number body is not a number return True # "text" is a phone number!print (' 0579-56574828 are a phone number: ') prin
Retrofit Introduction:Retrofit (GitHub homepage https://github.com/square/okhttp) and Okhttp division, also square Open Source Library, it is a type of secure network request library, Retrofit simplifies the network request process, based on okhtttp encapsulation, decoupling is more thorough: for example, through annotations to configure request parameters, through the factory to generate Calladapter,converter, you can use a different request adapter (Calladapter), Let's say rxjava,java8, guava.
two functions are called first. For example, when we serialize an object that has a database link that wants to restore the link state in deserialization, you can refactor the two functions to achieve a link recovery.
Server = $server; $this->username = $username; $this->password = $password; $this->db = $db; $this->connect (); } Private Function Connect () {$this->link = mysql_connect ($this->server, $this->username, $this ->password); mysql_select_db ($this->db, $this->link); } public Funct
Sleep () and _ wakeup ()When we execute serialize () and unserialize (), these two functions are called first. For example, when we serialize an object, this object has a database link. to restore the link status in deserialization, we can reconstruct these two functions to restore the link.
server = $server; $this->username = $username; $this->password = $password; $this->db = $db; $this->connect(); } private function connect() { $this->link = mysql_connect($this->server, $this->username, $
. configuration of retrofit
Through the above description, we should have found that the function of retrofit is to turn the network request into a callable instance object, which is the restful style of each network request interface. Retrofit provides some good annotations to help ease the work of encapsulating network modules.
Retrofit defaults to provide the right, robust default configuration for our platform, but we can also customize these configurations.
By default, retrofit can only des
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Objective:Through the above study, we can not find the simple use of okhttp to serve as a network library or how much to receive a little bit less convenient, but also need to manage the interface, for the interface of the use of what kind of request is not at a glance, for this purpose next study retrofit+ Okhttp with the use of a combination.Retrofit Introduction:Retrofit and Okhttp, also square open Source Library, it is a type of secure network Request library, retrofit simplifies the networ
Synchronous and asynchronousEach interface instance can be executed asynchronously or synchronously, and each instance can be used only once, but we can create a new instance by cloning (invoking Clone ()), or we can use the
In Android, the requested callback interface executes in the Android main thread
In normal Java programs, the thread that recalls and executes an HTTP request is a unified thread
Retrofit the default settings are more robust to provide us with some of the ways that columns
several photos.
The desktop displayed on the plasma TV
The Mac Mini and the external hard drive under the TV
XBMC interface
Select the correct movie positive file
Play Movie (paused) Purchase proposal mini DisplayPort to HDMI adapter many, the market from 30 yuan to 300 yuan of products have, there are thousands of yuan adapter. I bought a moshi to feel enough, this does not bother to b
in parsing.Take another look at the following code:
Weeks are well known, the role of this code is to make ie8+ browser to IE7 the pattern to render the page, in order to achieve the purpose of forward compatibility, when we add this code in the page, browse the Web page, the effect of the image (IE9 browser):
The default document mode for the browser is set to IE7 or IE8, and the render mode is rendered in IE7 or IE8 mode, that is, insert in the page:
Via:jinsanshui Copyright NOTICE: Repri
executed synchronously (Call.excute ()) or asynchronously (Call.enquene (callbackYou can also use callback to define an asynchronous method:@GET ("User/{id}/photo")
void Getuserphoto (@Path ("id") int ID, callback1 2
1 2On Android, the callback is executed on the main thread; on the JVM, the callback is executed on the thread that sent the HTTP request. Retrofit ConfigurationThe retrofit is a callable object that is converted through the API interface, which has a reasonable configuration and c
of the top element to a pointer self. top = n # return n. val def pop (self): # exit stack if self. top = None: return None else: tmp = self. top. val self. top = self. top. next # Move one bit down and return tmpif _ name __= = "_ main _": s = stack () s. push (1) s. push (2) s. push (3) print s. pop () print s. pop () print s. pop ()
Print Effect
321
Application:
Number conversion:
1. Hard coding implementation
# -- Coding: utf-8 -- "N = input (" Please input a number: ") while (N ): print "*
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