refactoring. The following is a list of modified content:
1. Check whether the value of nextProjectile is nil at the beginning of the function. This means that our current touch event is happening in the shooting process. That is to say, the turret has shot a bullet.
2. Previously, we used a projectile local variable and added it to the current scenario. In this version, we added a member variable of nextProjectile, but it was not immediately added to the current scenario. Because it will be us
Teach you to make a simple PHP calendar, make a simple PHP calendar
In a recent project, you need to display the data in a calendar, there are many JS plug-ins on the Internet, in order to have greater control over their own, decided to make a calendar display. As shown in
Simple moment: DevStore makes it easy for programmers to make devstore simple.
In view 《San yuankaitai, entering the ordinary, literary, and 2B programmers copeat the world"Attracted a piece of criticism from developers. Today, the little editor is giving everyone a funny joke with a more frustrated and brave attitude. It's a weekend ~I often use Ajax
It cannot
group!First QQ mailbox must open IMAP service, the relevant steps can Baidu, open IMAP service will have an authorization code, fill in the password when do not write your QQ password, to write this authorization code.Judgment when I stole a lazy, as long as it is my e-mail, regardless of the content of the message will be a video call with me, that is, you can fill in the mail, as long as you specify the account sent can, this I recommend you use Sina Mailbox, Because QQ mailbox send things al
Make a Web page with text Many people will do, but still some people have tried to use text to do the Web page, today's article explains how to make a simple web page effect with text, do Web pages need a lot of tags, the article introduced several of the most commonly used tags and gave. We are interested to see this article since
First, let's look at how to
C ++ 11 to make simple things simple
Joe Armstrong said:
The problem with object-oriented programming language is that it always comes with all the implied environments it needs. You want a banana, but you get a gorilla with a banana and the whole jungle.
Obviously, this will complicate the simple problem. We do not
)) return true;}return false;Found a lot of brevity. This is not enough, we can also use the algorithm to make the code more concise:return find_if(cbegin(vs), cend(vs), lookForParttern) != cend(vs);Well, it becomes a line of code. Frankly speaking, Cbegin,cend is very annoying to write more. We can eliminate it by using the range algorithm:return find_if(vs, lookForParttern) != cend(vs);Compared with the first piece of code, not only the code
A Simple Makefile TutorialMakefiles is a simple-to-organize code compilation. This tutorial does isn't even scratch the surface of what's the possible using make, but was intended as a starters guide so tha T can quickly and easily create your own makefiles for small to medium-sized projects.A Simple ExampleLet's start
Harder monsters and more levels: How to make a simple iPhone game with cocos2d Part 3
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Watch out for the green guy!
So far, the game we 've been making in how to make a simple iPhone game with cocos2dis pretty cool. We have a rotating turret, monsters to shoot, and Uber sound effec
We must have such an experience, when browsing the web, the two ends of the ads, such as "Dragon Blades, click on the Send", as well as the recent fire of the Woods Cong 37 legendary br What "BR mask, br pendant" The magic of the ads are always flooded our eyeballs.Of course there are ready-made plug-ins to clear the page ads, but since being a program ape, especially Feder, why not try to write a clear ad plugin. In fact, writing a browser plug-in is very s
Disclaimer (read only !) : The original translations of all tutorials provided by this blog are from the Internet and are only for learning and communication purposes. Do not conduct commercial communications. At the same time, do not remove this statement when reprinting. In the event of any dispute, it has nothing to do with the owner of this blog and the person who published the translation. Thank you for your cooperation!
Original article link: http://www.raywenderlich.com/782/harder-monst
transformation and deployment of business intelligence needs of the platform is too complex, purchase costs and maintenance costs are too high; on the other hand, the enterprise's IT personnel need to learn a large database, programming language, data mining and other related technologies, The labor cost and time cost make most enterprises can not afford, the enterprise is caught in a dilemma. Self-service data analysis break the dilemmaTie Line CRM
the rest of the time should be interaction with the audience.
6. effectively filter emails so that you can focus on the most important information.
The first step in the correct filtering process is to first look at the subject and sender of the letter. If it does not make you feel that today is not a reason, you can delete it directly. In this way, at least 50% of emails can be deleted. Step 2: quickly browse the contents of each other letter, unl
"You have complicated things !" This is what many bosses like to say, and you may have heard of it. Yes, we should try our best to make things simpler, but the process of making things simpler must be simple. For example, it is difficult to invent a tool that is simpler than scissors. However, sometimes people like to adjust the locations of some adjectives to suit their "needs ". For example, we should try
To the users of the illustrator software to explain the detailed analysis of the simple creation of a font icon tutorial.
Tutorial Sharing:
Basic idea: first, make icon → two, generate icon font → three, use CSS to introduce the font to the website.
Tools:
1, Adobe Illustrator, version is not limited, need to be able to save files as SVG format (other can
BrieflyThis article mainly describes the use of Raspberry Pi and l298n to make a simple remote control car, remote control using a simple web to achieve. Preparatory work
Raspberry Pi, (this article uses the Raspberry PI 2 type B, i.e. 2B)
8G above TF card Raspberry Pi available and unavailable SD card list
Four-drive trolley bottom (including mo
and activities to find a sense of control. But now, you don't want to develop a strategy that is sufficient to rely on and take meaningful measures to draw a permanent future.
You try to work harder. You have changed the old strategy into a new bottle. But none of them help. You hit the wall and found that you had no way to go. You are in desperate circumstances.
Take advantage of the Trend
So, how do you focus on your work and continue to move forward in a clear and effective manner? Observati
indexes to access data from a database, such as:public class MyClass{public void MyMethod (){GetData fetches data from the database using a SQL queryDataTable dt = Dataaccess.getdata ();foreach (DataRow row in dt. Rows){Accessing Data through column indexint empId = Convert.ToInt32 (row[0]);}}}In this way, if the column order changes when the SQL query matches the data, your application will be affected, and the correct approach should be to use the column name to access the data.public class M
Make simple data local storage with PHP serialization and deserializationThe following program can be used as a tool class /** * Use PHP serialization and deserialization to make simple data local storage*/ classObjectdb {Private Static $db; //successful return of the Objectdb object, no need to use the new//di
A simple extension of the JDBC Java.sql.PreparedStatement interface can make the query log less error-making, while organizing your code. In this article, IBM e-commerce advisor Jens Wyke shows you how to apply the basic encapsulation technology ("Extend by encapsulation" also known as the Decorator design pattern) to achieve the most satisfying results.
In most cases, JDBC preparedstatements makes it easi
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