best hackathon ideas

Four arithmetic operations 2 design ideas, four arithmetic design ideas Four RMB 2-Design PhilosophyRequirement 1: avoid repeated questions(1) control by srand (time (NULL.Requirement 2: Customizable (quantity/printing Mode)(1) define a parameter and use the quantity entered by the user to control the quantity;(2) the output format can currently be set in two ways: vertical X channels and X * Y output, whe

Some Ideas about forms and some ideas about forms Form Text input Text Box Password box Text Field Button Submit button Click and submit the server address in form. Reset button Normal button Image button Disabled indicates that the button is invalid. Single choice and multiple choice Single choice Multiple choice Drop-down list File Upload Take job as an example ------- create a regi

JQuery fixed floating sidebar Implementation ideas and code, jquery ideas This function is now widely used. If the page is relatively high, when the scroll bar is dragged to the bottom of the page, a fixed DIV box following the browser will appear on the sidebar. The idea is as follows: first, obtain the distance from the DIV to be followed to the top of the page, and then determine that when the browser's

State machine programming ideas (2): Delete Code comments (currently C/C ++ and Java are supported), programming ideas javaPreface Sometimes we need to delete comments to keep the information confidential or simply read the code. I have considered regular expressions before, but it is quite troublesome to implement them. The state machine can classify multiple situations into one type of State for further d

Some applications and ideas of Hystrix and Application Ideas of Hystrix1. Introduction to Hystrix To be honest, with the top name of hystrix, its introduction is everywhere. The most accurate of course is the official, interested can take a look at its official wiki: https://github.com/Netflix/Hystrix/wiki In a distributed environment, inevitably some of the specified service dependencies will fail

Code and ideas for merging and sorting, and ideas for merging and sorting First, consider how to merge the two ordered series. This is very simple, as long as we compare the first number of two columns, who is the first to take the first, and then delete the number in the corresponding series. Then compare the data. If the number of columns is null, extract the data of the other series in sequence. Copy cod

[PHP] Two ideas for updating intermediate joined table data: php ideas /* Configure /*--------------------------------------------------------------------------------------------------------- @ Blackeye poet Optional ---------------------------------------------------------------------------------------------------------*/ Intermediate join table: the intermediate table only stores the primary key of table

Simple voting system and js ticketing ideas and methods, voting system js ticketing ideas I have long heard of some vote-related scripts, Weibo voting, and so on. Could you give it a try? Maybe you will also get a ticket? After a few hours, I finally got a glimpse. (1) Voting System You have to have a vote page first. Of course, you can directly go to the various voting websites, but here we will create a v

Some work ideas in it o M services (organization) and it work ideas After the article was published, I accepted suggestions and comments from many of my friends and made some modifications. Now I will sort out the new version for you: I. O M Objectives The goal of O M is to provide O M services based on industry user satisfaction.. Enterprises need to develop, and development is inseparable from our us

Let's talk about some ideas about Python verification code recognition and some ideas about python. Search in baidu using python and the keyword "Verification Code". You can find many articles about verification code recognition. I have taken a general look at the following main methods: one is to process images and then use the font feature matching method. The other is to create a character correspondence

Front-end CSS compatibility ideas and CSS compatibility ideas At this time, I encountered the problem of a rounded border. The previous Code was to write a fixed div on each page and use the background image to implement the rounded border. The code structure is roughly as follows: .top_border{background:url(topborder.png);}.left_border{background:url(leftborder.png);}.right_border{background:url(rightborde

Analysis of Win32 core DPC design ideas and Implementation ideas Http://www.blogcn.com/user8/flier_lu/index.html? Id = 1397656 run =. 09d4c2f The X86 architecture is designed based on the concept of interruption. Therefore, from DOS to Win32, the concept of interruption is widely used in the operating system to express asynchronous operations. However, unlike dos exclusive scenarios, Win32 requires the sys

The product automatically connects to the server to update ideas, and the server to update ideasIdea of automatic product update 1. The (User) user starts RAW 2. (system) connect to the server and send the current version number 3. Check data on the server side. If the latest version is used, 1 is returned. Otherwise, the following processing is performed: The server version is stored in the following format (for example ): ID Version D

'). Append (' Vii. Tools and methods Six of jquery design ideas: In addition to manipulating selected elements, there are some tool methods (utility) that are not related to elements. You can use these methods directly without having to select the elements. If you understand the principles of JavaScript language inheritance, you can understand the essence of the tool approach. It is the method defined on the jquery constructor, that is, Jquery.metho

startups don't come out.On this level, startups are like an organic organism. Only if the ecological environment is suitable. There will be life. The difference is only that startups are living in the economic environment rather than the real ecological environment.This is a great way to influence how you choose your ideas. Because the technology business is often a king defeated the situation, win you will get all. If you lose, you blow them out. So

("Time ()->localtime ()->mktime ():%d\n", TIMEP); return 0; } Results show: [Root@vm_174_171_centos unixtime]# g++-g-o unixtime_mktime unixtime_mktime.cpp [Root@vm_174_171_centos unixtime]#./unixtime_mktime Time () = 1445010682 Time ()->localtime ()->mktime (): 1445010682 Settimeofday (set current time) Function Description: #include #include int settimeofday (const struct timeval *tv,const struct timezone); Settimeofday () Sets the current time to the structure information that th

C + + Primer 3rd More is to speak grammar, a lot of grammatical details to clear, in fact, a lot of content needs to have programming skills, or even C + + Foundation, to understand the meaning of Stanley Lippman, so it is not an introductory book. Of course, the idea of C + + programming is not a complete introduction, it should be the C + + syntax has a general experience, and then look at these books. I suggest you look at the C + + University tutorial.Upstairs, it's also very good:If it is t

recommended practice, but I am not familiar with Python, I give up though it's easy to get started.There is an open source framework rest-assured, the specific address: https://code.google.com/p/rest-assured/is also quite interesting, after a few days to introduce the framework, later ... Our development to write the interface is not standard, had to bear to kill.Now I switch to such a set of ideas to do, because at present my interface protocol is H

Web page Production WEBJX article introduction: designers and Customers: show your ideas in terms of the other person's understanding. Whether you're trying to sign up with a client to design a website or persuade a user to contact you for cooperation, we need to know how to be convincing. Like many people in the web design industry, my career is very strange. I am a part-time sales, part-time consultant and part-time user experience design

The commonly used algorithm design ideas mainly include dynamic programming, greedy method, randomization algorithm, backtracking method and so on, these ideas have overlapping parts, when facing a problem, from these several ideas often can get a good answer. Originally wanted to put the dynamic planning alone to write three articles, and later found that they l