icnd1 practice

1th Chapter Series OverviewOverview of the overall agenda of the spring Boot 2.0 in-depth practice series, including the spring boot three core features (assembly automation, embedded WEB containers, production readiness features), Web applications (traditional Servlet, Spring Web MVC, Spring Web Flux), Data correlation (JDBC, JPA, transactional), feature extensions (springapplication, Spring boot configuration, Spring boot Starter), and ...1-1-Course

High-quality web design usually has a very good navigation design to support. If your site has interesting content and popular visual design, then a good experience, usability and excellent navigation bar is undoubtedly necessary. Availability and ease of use have always been the core of efficient interaction and the basis for stimulating creativity, creating efficient design and excellent visual design. So it's time to revisit your menu and navigation design and try to organize them in a minima

For new photography, in finding their best and favorite shooting subject, often experience a long time confused: "Everything wants to shoot", but it seems that "nothing to shoot." At this stage most people will choose the manufacturer's big variable Giope as their own hanging nose, because it can meet the need to pull far, but this is really a good choice? There may be some doubt that the novice to use fixed Jiaozuo hanging camera is not climbing first go, not conducive to basic lea

Basic Python Data Analysis Tutorial: NumPy Learning Guide (2nd Edition), chapter 1th NumPy QuickStart, this chapter first describes how to install NumPy and related software in different operating systems, and gives a simple example code that uses NumPy. We will then briefly introduce Ipython (an interactive shell tool). As stated in the preface, SciPy and NumPy have close ties, so you will see scipy many times. At the end of this chapter, we'll show you how to take advantage of online resources

browser to obtain information such as its cookie. Instead, CSRF is borrowing the user's identity to send a request to Web server because the request is not intended by the user, so it is called "cross-site request forgery". The defense of CSSRF can be carried out from a few aspects; Referer, token or verification code to detect user submissions; Try not to expose the user's privacy information in the link of the page, for the user to modify the deletion and other operatio

20155324 "Network countermeasure Technology" Web Security Foundation Practice Experiment ContentUse Webgoat for XSS attacks, CSRF attacks, SQL injectionExperimental question and answer SQL injection attack principle, how to defendThe ①sql injection attack is an attacker who adds additional SQL statements at the end of a predefined query in a Web application, takes SQL statements as user names, and then enters normal Web pages to obtain database inform

Related reading: Reactivecocoa Code Practice-UI Component's RAC signal operation Reactivecocoa Code Practice-RAC Network Request reconfiguration 1. Racobserve () The difference of macro-parameter writing Previously written code considered the difference between racobserve (Self.timelabel, text) and Racobserve (self, timelabel.text). Because both of these methods observe the properties of the Self.timeLa

Software development can not be separated from version control, the development of n years, the use of a lot of version control tools, from VSS (some people evaluate the tool against human design), to CVS,SVN have been used. But these tools are central, with the development of the Internet and technology, distributed version control tools are more and more popular, the most famous one is Git. The biggest drawback of centralized versioning tools is that all engineering-related personnel will be a

function. Whether the function name is followed by (. The parentheses have no parameters. Multiple arguments are separated by commas. Whether the function ends with the. Follow these two tables to check your practice until you don't need to check. Finally, read the following words several times:"' Run function ', ' Call function ', ' and ' use function ' is the same meaning ' my answer. 18.0 Basic Exercises # This is the same as our script using argv

SOA, SAAS, cloud computing, and so on. There are a lot of hot-lifting concepts, and many developers are looking to re-examine where future software development will go. And the Open API appears, in fact, the foreign Internet application developers have brought a new kind of innovative thinking, a new development model, the concept of SOA information interoperability throughout the Internet industry, so that more "grassroots" developers to use innovative thinking to maximize the value of the info

Creating useful software is the door process. This is not a black-white formula for success. However, there are some agile engineering practices, practice has proved that it has repeatedly added value to the enterprise, but the premise is to be considered before use. In this article, I'll share with you 5 specific ways in which your organization can benefit from agile engineering practices. (Assuming we use Scrum + Extreme Programming (XP) = Agile's

our company (the evidence is that our team has a @ logo, see soldiers assault all know old a bar, almost this meaning), so the team configuration is very high, more than half of the people are senior engineers. (1) General engineer Most have a characteristic, is to think more than do, write documents/mail time more than write code. Our team is no exception, because after all, in my eyes, senior engineer more to do macro design, rather than simple coding work. But there is always work to be don

Label:Reprint http://chenzhou123520.iteye.com/blog/1863407 The previous article, "MySQL pessimistic lock summary and practice" talked about the MySQL pessimistic lock, but pessimistic lock is not suitable for any scenario, it also has some shortcomings, because pessimistic lock in most cases rely on the lock mechanism of the database implementation, to ensure the maximum degree of exclusivity of the operation. If the lock time is too long, other users

Tags: version blank Select Program test method turn modified article applies ToThe previous article, "MySQL pessimistic lock summary and practice" talked about the MySQL pessimistic lock, but the pessimistic lock is not suitable for any scenario, it also has some shortcomings of its existence, Because pessimistic locks are implemented in most cases by the lock mechanism of the database, to guarantee the maximum degree of exclusivity of the operation.

Original Author: border townOriginal address: https://segmentfault.com/a/1190000012747428 The separation of front and back is not new, and there is a practice of separating back and forth. However, some historical projects are inevitably confronted with a variety of problems when moving from an integrated Web design to a front-end separation architecture. Because of the endless problems, even the team questioned, integration good, why the front and ba

There are 3 standard practice types:1, the earliest practice: The Node ID contains the full path (grandfather id-id-father id-this ID)the ledger account number for the financial services .It's very rarely used today.2. Recursive procedure: Parent ID, this ID (earlier, complete relationship provides recursive ability to get)now more commonadvantages are intuitive and simple, easy to deletethe downside is tha

Label:The previous article, "MySQL pessimistic lock summary and practice" talked about the MySQL pessimistic lock, but pessimistic lock is not suitable for any scenario, it also has some shortcomings, because pessimistic lock in most cases rely on the lock mechanism of the database implementation, to ensure the maximum degree of exclusivity of the operation. If the lock time is too long, other users can not access for a long time, affecting the progra

Tags: style blog http io color OS using SP strongOriginal: SQL Server Enterprise Platform Management Practice reading notes--about how SQL Server databases are backed upData backup has always been considered a database of life, that is, one of the main skills of a DBA, this article is about the SQL Server backup principle, the SQL Server database is divided into data files and log files. To enable the database to recover a consistent point, the backup

Label:The previous article, "MySQL pessimistic lock summary and practice" talked about the MySQL pessimistic lock, but pessimistic lock is not suitable for any scenario, it also has some shortcomings, because pessimistic lock in most cases rely on the lock mechanism of the database implementation, to ensure the maximum degree of exclusivity of the operation. If the lock time is too long, other users can not access for a long time, affecting the progra

Tags: Practice installing ESXi with virtual machine vmwareFor VMware vsphere Component ESXi, please do it yourself Baidu. I would like to make it easy to understand that this component is used by the virtual various clients after installing the ESXI system on the server and then virtualizing the entire server's hardware resources. The most obvious difference from the more familiar VMware Workstaion,esxi is that the former is installed on the server as