best computer repair programs

MySQL Installation and startup services, as well as the problems encounteredMySQL version: mysql-5.7.13-winx64.zip (Install-free, unzip the program folder, such as C:\Program files\mysql-5.7.13-winx64): Http://dev.mysql.com/get/Downloads/MySQL-5.7/mysql-5.7.13-winx64.zipProblems encountered:1. MySQL Service has been installed successfully, created an empty data folder, also filled in the initialization INI file, but could not start2. Cmd execution instruction "mysql-uroot-p" prompt: "error 2003

Thinking logic of computer programs (1), thinking LogicWhat is the program? A computer is a machine that consists of CPU, memory, hard disk, and input/output devices. Operating systems run on the computer, such as Windows or Linux, and various applications, such as Word and QQ, run on the operating system. The operatin

files, pictures, HTML files, compressed files and so on.Finally, for serialization, in addition to introducing the default serialization mechanism for Java, we also introduce XML, JSON, and Messagepack.SummaryThis section describes some of the basic concepts and common sense of files, the basic thinking and class structure of working with files in Java, and finally we summarize the following chapters to arrange the ideas.The file should look very simple, but actually contains a lot of content,

previous introduction is the flow, in addition to the flow, there are other ways of operation, such as random access and memory-mapped files, why do you need these methods? What are their characteristics? For what occasion? Let's move on to the next exploration.----------------To be continued, check out the latest articles, please pay attention to the public number "old Horse Programming" (Scan the QR code below), from the introduction to advanced, in layman's words, Lao Ma and you explore the

together, may write less code, but if the use of improper, will make the understanding much more difficult.Operator PrecedenceA slightly more complex operation may involve multiple variables, and a number of operations, which is the first, which is the calculation? The programming language dictates the precedence of the different operators, some will be counted first, some will be counted later, and in most cases, this priority is consistent with our common sense understanding.But in some compl

Thinking logic of computer programs (66) and thinking 66 We mentioned two problems of multi-thread shared memory in the previous section. One is the race condition and the other is the memory visibility. we mentioned that one solution to these two problems is to use the synchronized keyword, this topic describes this keyword. Usage Synchronized can be used to modify the instance method, static method, and c

Efficient Desktop Connection: [automatically restore folders and programs before the computer is closed] For many friends, daily boot work is only a continuation of the previous day, so the first thing every day is to restore the computer to the state when it was shut down the previous day. Is there any good way?Day-to-day manual recovery can be said to be time-

URL, an organization code card, and so on. Bundle Identifier: The program identifier, which is a flag that differs from other programs, is composed of Organization Identifier + Product Name. Language: The programming language used in the project, choose c speech here. 4) Click "Next", save the file can enter the future project, as shown:650) this.width=650; "src=" http://c.biancheng.net/cpp/uploads/allimg/160308/1-16030Q45F4V8.jpg "style

1, directly click the "Start" menu, and then select the "Run" option, this time will pop up a dialog box, in which directly enter the "regedit" Word command, and then click Enter; 2. After the Registry Editor opens, locate the following HKEY_CURRENT_USER, Software, Microsoft, Windows, CurrentVersion, Policies, explorer options on the left, Then delete the subkey "Disallowcpl" below the option on the right; 3, resource management Reset, the "taskkill/f/im Explorer.exe Start Explorer.exe" c

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Thinking logic of computer programs (90) and thinking 90 Section 88 introduces the regular expression syntax. The previous section describes Java APIs related to regular expressions. This section discusses and analyzes some common regular expressions, including: Zip code Phone number, including mobile phone number and fixed phone number Date and Time ID card IP address URL Email Address Chinese cha

Thinking logic of computer programs (94) and thinking 94 The previous two sections discussed functional data processing in Java 8, which is an enhancement to the container class introduced in sections 38 to 55, it can combine multiple operations on the set data in a pipeline. This section continues to discuss the new features of Java 8, mainly a new class CompletableFuture, which is an enhancement to concur

Thinking logic of computer programs (91) and thinking 91 In the previous sections, we have discussed Java 7. From this section, we will discuss some features of Java 8, including: Passing behavior code-Lambda expressions Function-based data processing-stream Combined asynchronous programming-CompletableFuture New Date and Time API In this section, we will first discuss Lambda expressions. What is it?

Thinking logic of computer programs (36) and thinking 36 In the previous section, we introduced the basic concepts and principles of generics. In this section, we will continue to discuss generics and the wildcard concepts in generics. Wildcards have confusing and confusing syntaxes, but they are widely used in Java container classes. What is it? In this section, let's analyze it gradually. More concise par

Thinking logic of computer programs (68) and thinking 68 This section continues with the content of the previous section and discusses how to use wait/notify to implement more collaboration scenarios. Start at the same time At the same time, it is similar to an athlete's competition. When we hear the game start with a gun, we start at the same time. Below, we simulate this process. Here there is a main thre

Many friends may think that after the Win7 32-bit system is turned on, only we open the program is the start of the program, in fact, you may wish to try to open the computer's Task Manager window, in the process of this column is not to see a lot of content, actually these are currently starting in the program, that is to say, Many programs are open when we open the computer, then in many

Thinking logic of computer programs (64) and thinking 64 For file processing, we introduced the stream method, section 57 introduced the byte stream, section 58 introduced the ghost stream, and also introduced the underlying file operation method, section 60 describes random read/write files, Section 61 Describes memory ing files, Object serialization/deserialization mechanisms, and section 62 describes Jav

Thinking logic of computer programs (14), thinking Logic It is said that Tao shengyi has a second, second, and third life. If binary representation and operation are regarded as one, the basic data type is regarded as two, and the basic data type is regarded as three, then, the combination of classes and the inheritance introduced in the next section make the three born things. In the previous section, we i

Thinking logic of computer programs (73) and thinking 73 In this section and the following sections, we will discuss the container classes in Java and package. This section describes two simple classes, CopyOnWriteArrayList and CopyOnWriteArraySet, and discusses their usage and implementation principles. Their usage is relatively simple. What we need to understand is their implementation mechanism: Copy-On-

Thinking logic of computer programs (13), thinking Logic Class In the previous section, we introduced the basic principles of function calling. In this section and the next sections, we will explore the world of classes. Programs mainly involve data and operations on data. To facilitate understanding and operation, advanced languages use the data type concept. Di