Technical Articles

http://www.aliyun.com/zixun/aggregation/7026.html "> A great programmer looks at both sides as he crosses a one-way street. As a software programmer in the IT industry, The hard work that drives us day after day comes from our interest and passion for programming, but for programming to always be fun, we must learn to stick to some of the basics of becoming good programmers and I'm not writing Some spells, you can follow the implementation of ...

Open a brand new text in a blank http://www.aliyun.com/zixun/aggregation/18444.html "> text editor without a single line of code that appears in front of a project full of possibilities and hopes However, after thousands of lines of code have been written, the entire project has been overwhelmed by bugs, let alone added new features ... This is probably the biggest hit for programmers, with full enthusiasm Poured a pot of cold water. In fact, the best software program ...

At work, we often need to use the icon material. You may be able to search a lot of icon resources websites, but it is hard to find free high quality icons, which is why I want to share with you today these excellent free quality icon search engines, I believe in these websites you can find you want s things. FindIcons FindIcons is my favorite icon search engine and now has more than 300,000 icon resources. Iconhttp: //www.al ...

With the development of cloud technology, various cloud-based IDEs have also appeared one after another. Compared to the traditional IDE, the cloud IDE allows multiple programmers to view and edit code on different devices at the same time, greatly improving work collaboration and efficiency. Below to share 10 very easy to use cloud-based IDE, you may be able to open the door to efficient programming: 1) Cloud9 recognized one of the most powerful cloud IDE, programmers can run and debug code anytime anywhere . Cloud9 IDE language support is also very rich: http: // w ...

The sorting algorithm can be divided into internal sorting and external sorting. The internal sorting is to sort the data records in the memory, while the external sorting is because the sorting data is very large, so it can not hold all the sorting records at a time. In the sorting process, it needs to access the external memory. Common internal sorting algorithms are: Insert sort, Hill sort, Select sort, Bubble sort, Merge sort, Quick sort, Heap sort, Base sort and so on. This article will introduce the above eight sorting algorithm in turn. Algorithm 1: insert sort Insert sort diagram Insert sort is one of the most simple and intuitive sorting algorithm, it's work ...

08 years of cloud computing now to http://www.aliyun.com/zixun/aggregation/14294.html "> big data ... still stay in the stage of building environment students ... ... what I do not Tucao, and now any The company is an individual has two or three days to build the environment now the status of the talent is: generally need 2-3 years hadoop experience cattle, if you only build the environment, it is basically no one wants to take you. , If your foundation is very solid ...

There's a joke in the IT community: how do you call programmers who wrote six patches to the Linux kernel? The answer is: The person hired. Did you understand? Let's ask Linux Fundation colleague Greg Kroah-Hartman to explain: "The joke is that amateur developers will not develop more than five kernel patches because when you develop five patches, you tend to Will get a job invitation. In fact, this is not a joke, because such things too much. "This may be those in the open source ...

& mathematic model of how to use big data to train risk control has always been PayPal's challenge in cheating transaction detection. PayPal's training in risk control models Roughly through four stages: Decision tree: early PayPal using a simple decision tree model, mainly due to the early model training data is relatively small, the decision tree model results easy ...

Zookeeper is a sub-project of hadoop. Although it originated from hadoop, I found that zookeeper is more and more used to develop distributed framework from the category of hadoop. Today I would like to talk about zookeeper, this article will not talk about how to use zookeeper, but in the end zookeeper what practical use, what types of applications can play the advantages of zookeeper, and finally talk about zookeeper on distributed http://www.aliyun.com /z...

Asya Kamsky, chief solution architect at MongoDB, recently published an article outlining 10 things to know about running MongoDB on a large scale. MongoDB also needs DevOps. MongoDB is a database. Like any other data store, it also requires capacity planning, tuning, monitoring and maintenance. Do not because it is easy to install, get started, and at the same time more natural than the relational database to meet the developers ...

This article is to recommend the best 10 online compiler, the following order not according to the following sequence: 1, ideone can be compiled online Debug C + + / C + +, JAVA, PHP, Python, Perl, and other 40 kinds of programming languages. http://www.aliyun.com/zixun/aggregation/11307.html "> Official Website: www.ideone.com 2, codepad code ...

& http: //www.aliyun.com/zixun/aggregation/37954.html "> nbsp; I worked as a project manager for several local companies, mainly on some small and medium pages made in PHP, I have seen a lot of companies often make one mistake or another, which is a waste of time and waste of resources. I specifically talk about the most unforgivable seven of these errors: 1. Do not ask the customer what you really want ...

For Web developers, PHP is a very powerful and popular programming language. Many of the world's top websites are based on PHP. In this article, let's review the 20 http://www.aliyun.com/zixun/aggregation/33721.html"> PHP frameworks of the year 2014. Every developer knows that having a strong framework allows developers to work Become faster, safer and more efficient ... Choose a suitable framework before developing your project ...

This article is HTML5tricks original translation, reprint, please read the article at the end of the reprint requirements, thank you for your cooperation! Do not talk nonsense, directly on the steps. 1. First, carefully http://www.aliyun.com/zixun/aggregation/11009.html "> Analyze the problem 2. Then think about how to solve this problem 3. Collect all the needs. Take some time to achieve the final product Write down the goal, and clear what is our target user base ....

& http: //www.aliyun.com/zixun/aggregation/37954.html "> Using JavaScript libraries makes development easier, and most JavaScript libraries provide great functionality, Choosing a star framework when choosing a project for a project is of course great, but some libraries are too big. When you want to find a solution for a specific task ...

Introduction: It is well known that R is unparalleled in solving statistical problems. But R is slow at data speeds up to 2G, creating a solution that runs distributed algorithms in conjunction with Hadoop, but is there a team that uses solutions like python + Hadoop? R Such origins in the statistical computer package and Hadoop combination will not be a problem? The answer from the king of Frank: Because they do not understand the characteristics of R and Hadoop application scenarios, just ...

As a concept, regular expressions are not unique to Python. However, the regular expression in Python still has some minor differences in actual use. This article is part of a series of articles about Python regular expressions. In the first article in this series, we will focus on how to use regular expressions in Python and highlight some of the unique features in Python. We'll cover some of the ways Python searches and locates strings. Then we talk about how to use groupings to handle me ...

As the largest Chinese search engine company in the world, Baidu offers a variety of products based on search engines and covers almost all search needs in the Chinese online world. Therefore, Baidu requires relatively large amounts of data to be processed online. Analysis, but also within the prescribed time processing and feedback to the platform. Baidu's platform needs in the Internet area to be handled by the cloud platform with better performance, Hadoop is a good choice. In Baidu, Hadoop is mainly used in the following areas: log ...

http://www.aliyun.com/zixun/aggregation/14156.html"> ASP .NET Web APIs are great technologies to write Web APIs so easily that many developers do not spend time designing application structures In this article, I will introduce 8 to improve the ASP.NET Web API performance of the technology. 1) the fastest JSON serialization tools ...

Tools Required 1.Windows 7 32 Bit OS 2.Apache Hadoop 2.2.0-bin (hadoop-2.2.0.tar.gz) 3.Apache Hadoop 2.2.0-src (hadoop-2.2.0 -src.tar.gz) 3. JDK 1.7 4.Maven 3.2.1 (apache-maven-3.2.1-bin.zip) 5.Protocol Buff ...