a certification study guide

system, divided into a small module, each module is relatively simple and many, respectively, to implement and check each module, each module is no problem, the whole system is basically no problem.Reality is sometimes cruel.Some people, the program debugging two hours can not find out the problem on the collapse, feel that they have been very hard. But sometimes a problem may take

problem with the program, where Eclipse is not friendly enough to give false hints. Finally, through the debug mode, break point, locate the error code, and then increase the Try-catch capture, and finally locate the problem. Some Java files, the path of the package has changed. Categorybar extends View, this component is a component of 1 interface types, which is configured in XML. Personal views: If you only have Android, do the things in your job

[Guide] The ability to quickly master complex information is critical to achieving excellence in business. Scottyoung's learning process not only applies to students, but also helps to learn the expertise of complex skills.The ability to quickly master complex information is critical to achieving excellence in business. Scottyoung's learning process not only applies to students, but also helps to learn the expertise of complex skills.Recently, at the

cup is full, you cannot pour water into it. So I always try to keep up with any idea. Having learned too many beliefs means too few opportunities for new ideas. Actively look for ideas that can change your world outlook. 10) find a job that encourages more learning.Find a job that encourages continuous learning. If your work gives you little freedom to learn, you should consider changing jobs. Do not spend

) find a job that encourages more learning. Find a job that encourages continuous learning. If your work gives you little freedom to learn, you should consider changing jobs. Do not spend 40 hours a week on a non-challenging job. 11) start a project List some things you d

A study of Shadow mapping (Shadow map) (ii)The previous article introduced my more detailed study of z-cache. The reason for the derivation of the z-e function here is that we need to look for its change curve to find the extremum point, so that we can determine the ze relative to ZW distribution of the density. Fortunately, the derivative functions we find are

I. Introduction to Vue.jsVue.js is a set of progressive frameworks for building user interfaces. Specific introduction to the official introduction, https://cn.vuejs.org/v2/guide/.second, the use of Vue.js learning summary1. V-model creates a two-way binding on a form control or component. Varies depending on the type

, on the other hand (and most important), can prove to the interviewer that he is in the actual project, know some of the use of valuable technology. Compared to the interview I wrote before and after the blog, I found that on my resume, I dared list more skills, and these have practical experience, not only theoretical experience, so it is not afraid of the interviewer asked.3 through the blog, can constantly improve their ability to manage time, but also to improve the implementation of the Po

cup is full, you cannot pour water into it. So I always try to keep up with any idea. Having learned too many beliefs means too few opportunities for new ideas. Actively look for ideas that can change your world outlook. 10) find a job that encourages more learning.Find a job that encourages continuous learning. If your work gives you little freedom to learn, you should consider changing jobs. Do not spend

concept of putting your mind first]When the cup is full, you cannot pour water into it. So I always try to keep up with any idea. Having learned too many beliefs means too few opportunities for new ideas. Actively look for ideas that can change your world outlook. 10) find a job that encourages more learning.Find a job that encourages continuous learning. If your work gives you little freedom to learn, y

Linux Study Notes (an operating system with a size of only 48 MB is installed)-General Linux technology-Linux technology and application information. For more information, see the following. This is not a ubuntu study note, because I stayed up late yesterday to help a friend

Webpack This tool is a bit confusing to me at the beginning of my study. I spent two or three days repeating the instructional video. Finally, there is a little clue, the following writing I learned about webpack understanding and notes.First look at introduction http://webpackdoc.com/index.html "webpack is now the most Popular front-end resource modular manage

did not send a paper and then disappeared, But high-profile open source beam, the so-called "first-class companies set standards," the benefits of open source is quite many, such as improve the company's influence, brainstorming, common maintenance and so on. Two beam advantages1 unificationBeam provides a unified programming model, programming guidance can refer to the official programming-

of the tag labelline: {normal: {Li Nestyle: {color: ' Rgba (255, 255, 255, 0.3) '}} } */};//Display datamychart.setoption (option);:Summary: The above effects practice many configuration items, the location of the legend control, the tooltip content formatting display, global background color and global text color and so on configuration .... Of course, the more appealing is the adaptive multi-terminal media query, and the interactive components that are introduced

Recently, the tutor asked to study WebRTC, hoping to use our ICT2 system in the future.But never did the foundation of the web, whether front-end or back-end, HTML, JS all learn from the beginning. HTML is good to say, not too complicated things.JS is a bit difficult, roughly turned over the JS authoritative guide book, understand the basic grammar, also is enoug

Read the 26 issue of the Wang Guide on MySQL sub-Library layered backup video, the script has generated interest, but the lack of knowledge of MySQL, some of the commands and some of the data is not very weak. But preface spent 3 hours of valuable learning time compiling a small script.Script requirements: Now there is a dir file in/tmp with

": "1","_version": 4,"Status": 200}}, {"Delete": {"_index": "Customer","_type": "External","_id": "2","_version": 3,"Status": 200,"Found": true}} ]}You can also import data from a JSON file, put the above command-D message into a. json file, you can perform the relevant operations inside.Curl-xpost ' Localhost:9200/bank/account/_bulk?pretty '--data-binary @accounts. JSONThird, searchThere are two basic ways

? function F (t) { alert (t); var T; Alert (t) } function f2 (t) { alert (t); var t =; Alert (t); } F (a); F2 (20); Check the results: F ()-->20, 20; F2 ()-->20, 30;What is the reason for this? I summed up: in the case of the name of the function parameter and the local variable, if the local variable is only declared, but there is no assignment, the local variable will not overwrite th

order to let the students understand more clearly, we need to take a few steps first.Step 1:sed related command set option parametersTable 1-1 sed command Command Function G When used in conjunction with S, represents a global match substitution for the current row (different from the next G meaning) P Print matching lines S