PHP: refactoring-improving the design of existing code-4 simplified conditional expressions. Click the mind map to view the big chart. The introduction of conditional logic may be very complicated. Therefore, this chapter provides some refactoring techniques to simplify them. Full text description (you can direct mind map
Click to view the chart.
The introduction of conditional logic may be very complicate
;/*tosupportweakrefstocodeobjects */}pycodeobjeCt Internal implementation of bytecode filesThe result of serializing a bytecode object to the hard disk is the bytecode file. This process is a recursive write process. Staticvoidw_object (pyobject*v,wfile*p) {py_ssize_ti ,n;p->depth++;/*...*/ elseif (Pycode_check (v)) {pycodeobject *co= (pycodeobject*) v;w_byte (TYPE_CODE, NBSP;P); w_long (co->co_argcount,p); w_long (co->co_nlocals,p); w_long (co->co_stacksize,p); w_long (co->co_ FLAGS,NBSP;P);
1. PrefaceThis is the fourth article in this series, the previous article we talked about the client to the client's chattering screen and send and receive various types of files, this article we join SQL Server database to achieve login and friends add functions, and the interface has been beautified. As usual I will deploy the chat server to the WAN server, then you can open the source inside the client to chat with me! (This is just a starter version of the feature is simply not supported off
I use the PHP for loop to generate the verification code, often there is a verification code did not generate the situation, want to understand the problem of the great God's help to look at the code, thank you very much!
!--? php$image = Imagecreatetruecolor (100,30); $bgcolor = Imagecolorallocate ($image, 255,255,255); Imagefill ($image, 0,0, $bgcolor);//Gene
Background:
I was going to merge Article 3 and Article 4 together, but I had to separate the previous plan. Generally, when a game involves checkpoints, an array is usually created to store various definition parameters, it is easier to eliminate the star level, and there is no need to create an array. There are only two parameters: level and target. The two parameters also have a functional relationship: target = 1000 * (level + 1) * level/2: You can
Match the end of the numberSource: How to use JavaScript regular expressions to remove the last set of numbers in a string, thank you.
Such as30cac0040 Take out 403sfasdf92 Take out 92
Is the following:/d+$/g uniform number of spacesSource: The problem of regular matching spaces
Characters in the string keys have spaces, but the number of spaces may be inconsistent, through the regular number of spaces to unify into one.
For example: Blue ideal
Become: Blue Ideal
The regular of the Aobert:
ArticleDirectory
Download. Net 4 source code
Prepare for debugging
Debug code
Review
Reason for the error in the DataGrid enumeration value update: Zhou jingen Source: blog Park release time: Read: 2287 Original article links [favorites]
OpenexpressappPreviously, the DataGrid was used as the list control. In the built-in property editing mo
function.
Bad taste of this code:
1. it is too long. when a new video type exists, it will become longer.
2. it has obviously done more than one thing.
3. it violates the single responsibility principle because it has several reasons to modify it.
4. it violates the open and closed principle because it must be modified whenever a new type is added. However, the most troublesome thing is that there are f
These two days, using the ASP.net MVC 4 Development Comet Message Notification mechanism, the backend uses an asynchronous thread to subscribe to the message, and the client requests an action in MVC through an Ajax long connection, such as: Http://localhost/event/imageSet, Gets the change message for the ImageSet object (new, update, and delete messages).
1. Definition of Class Ievententity
Copy Code
other code waits until it runs Out.So this time, the code needs to be executed by the THREAD.At this point, in order to differentiate which code can be executed by the thread, Java provides a run () in the thread class to contain the code that is executed by the Thread.C: Create an ObjectD: Start ThreadCustomize the M
program:public class CodeDemo03{static{System.out.println ("This is a static block of code in the main class!");}public static void Main (string[] args) {New Demo ();New Demo ();New Demo ();}}Class Demo{static{System.out.println ("This is a static block of code in the demo Class!");}{System.out.println ("This is the building block in the Demo Class!");}Public Demo () {System.out.println ("This is the const
There are a number of ways to implement TextView text links in Android.
In summary, there are about 4 kinds.:
1. When the text appears in the URL, E-mail, telephone number, etc., you can set the TextView Android:autolink property to the corresponding value, if all types come out is android:autolink= "all". Of course, can also be done in Java code, textview01.setautolinkmask (Linkify.all);
2. The text to b
In PHP to implement the verification code is very convenient, the key point is to master PHP library and the use of session.
Throughout the online PHP generated verification code examples, are all PHP GD Library and session of the combination, and using PHP to generate random number of methods to complete.
PHP Verification code, can be divided into a number of
scrapy Source Code Analysis series -4 Scrapy.commands sub-packageThe sub-package scrapy.commands defines the subcommands used in command scrapy (subcommand): bench, check, crawl, deploy, edit, Fetch,Genspider, list, parse, Runspider, settings, Shell, Startproject, version, view. All sub-command modules define an inheritance from theThe subclass of Class Scrapycommand command.First of all, a sudden command c
Look at the effect chart first.
Let's start by downloading the plugin full instance source
ASP version http://down.111cn.net/down/code/asp/2012/0508/24173.html
asp.net version http://down.111cn.net/down/code/asp/2012/0508/24172.html
"Upload"
The most important method in the program is upload, which can be invoked without refreshing upload.The upload process is this, first stop the last upload with th
Gulp pitfall series (4) -- code conversion of gulp, gulpFinally, I entered the topic. It was just to convert Sass and SCSS code into CSS that I suddenly jumped from the learning path of Sass to the big pitfall of gulp.
Of course, gulp can not only convert Sass, but here we will mention the following conversion:First, create a new folder, and then proceed with the
generating POCO data classes and database contexts based on an existing database requires a Visual Studio extension-Entity Framework Power Tools (a Code first reverse engineering tool). Just enter the "Entity Framework Power" Search in the Visual Studio extension to find the latest extensions, click Download (for example). Of course you can also come here to install the Entity Framework Power Tools Beta 4 D
Python Django framework completes a complete Forum (4. Other py file source code required by the project), djangopy
These files are stored in a newly created utils Folder:
Automatically Generated verification code:
Check_code.py:
"Manufacturing verification code" import randomfrom PIL import Image, ImageDraw, ImageFont
The first form of writing
Copy Code code as follows:
var str = "";
var week = new Date (). Getday ();
if (week = = 0) {
str = "Today is Sunday";
else if (week = 1) {
str = "Today is Monday";
else if (week = 2) {
str = "Today is Tuesday";
else if (week = 3) {
str = "Today is Wednesday";
else if (week = 4) {
str = "Today is Th
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