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Qt project RUN, Hint:: -1:ERROR:QT Creator need to set up a compiler to build. Set up a compiler in the build Suite option. Problem reason: MSVC is involved in copyright, its QT installation package does not contain msvc, installation of Qt did not install MSVC. Qt Required MSVC version: Identification via QT installer name: qt-opensource-windows-x86-msvc2015_64-5.8.0.exe,msvc2015_64 Through QT program Information recognition: Open the QT creator--men

The project manager needs to have four basic qualities and eight management skills. Four types of quality 1. Character Quality. The project manager works externally with suppliers and customers, needs to integrate resources across departments internally, and the integrity of moral quality is the basis. 2. Ability quality. The project manager needs to have the strong comprehensive management ability. 3. Knowledge structure. Today's project manager is no longer just a technical expert, dra

If you are a programmer, then your good times are coming. Computer jobs will grow by 8% over the next seven years, according to the U.S. Bureau of Labor Statistics. If you're good at writing code, you can pay up to $300 an hour or more. to get a high salary in this area, you have to master the few programming languages you need most. Here are the 15 programming languages you need to know in 2015, as the con

SourceWhy do I need to use adorners? In fact, many people will ask this question after learning Python.This time, I'll delve into what an adorner is and why it needs it.In fact, this decorator is our programmer too "lazy", basically what things want to do less, the pursuit is dry, then what is dry, as follows:DRY (Don ' t repeat yourself), literally: "Don't repeat yourself." It is emphasized that the same code does not repeat when programming, it is b

We all know that although Microsoft has been on the Windows XP system to stop service updates for a while, but this does not prevent many users still love this classic operating system, because the XP system has built a lot of media and peripherals support functions, so large size, installation time has become very long, If you want to reload the system, then you need to prepare for backup. Although the XP system has built-in restore functionality, b

programmers in addition to develop to look at the official document reading habits also need to have their own learning and communication platform, recommend a few source download site, you can go to the above learning, good source is suitable for beginners to learn faster. read someone else's code. Being a developer is a common thing to do. One is to learn a new programming language by reading someone else's code is the best way to learn, and also to

It can be said that the era of web1.0 is the era of form, web2.0 era is the era of Ajax, and web3.0. I think it has begun, it should be the era of Web engineering. Every technological innovation is not the negation of the technology of the previous era, but a sublimation from quantitative change to qualitative change. Software updates faster and faster, to be a good software engineer, is not an easy thing, if you have a long time no sense of crisis, and in a place to stay too long, then you

Program There are many standards and best practices for Java developers. This article lists the ten basic principles that every developer must follow, and if there is a rule that can be obeyed and not complied with, it will result in a very tragic outcome. 1. Add a comment to your code Everyone knows this, but somehow forgot to follow. How many times have you "forgotten" to add a comment? This is true: annotations have no substantive contribution to the function of the program. But you

Everything exists because they are needed.Apart from those who need these products, what do we take to attract those who don't need it? FreeThere are a lot of greedy, the same product, others sell xx yuan, you this free to send, who is more competitive?That day overslept, can only take the subway to the company, take line Line 5 when see someone in the free newspaper, although they do not

configuration, here I choose is a G. (This one can also be changed later)650) this.width=650; "src=" Http://s5.51cto.com/wyfs02/M00/7D/13/wKiom1bfvAqROuGLAAMbkSdg2pE908.png "title=" 108_ Look at the picture king. png "alt=" Wkiom1bfvaqrouglaambksdg2pe908.png "/>9, this step is the network access type configuration, respectively, is bridged, NAT, only host mode, not applicable network connection The following are four modes detailed description:Bridging mode: (bridged mode) This mode is similar

Java is used to do the project! Java's main area of application is enterprise-level project development! To engage in enterprise-level project development, you need to master the following points: 1, master the basic steps of project development 2, with a strong object-oriented analysis and design skills 3, master use case driven, architecture as the core of the mainstream development method No one wants to be satisfied with their own life to mast

, the *pman is the object value on the memory space that the pointer refers to, so the invocation property is this: (*pman). IQBut every time so call, very troublesome, so there is a pman->iq this convenient form.So, let's not get mixed up again. and->.Generally, it can be understood that pointers use-> symbols.(This text feel very bad explanation, because someone next to me is always talking, my thoughts are not very quiet ...) ） 2. Why should there be new? Why should there be new? Why should

About testing, welcome to chat QQ Group: 755431660 Have you ever experienced a situation where you feel special and busy every day, but when you go to bed at night, you can't remember what you're doing today. Maybe it is too much to do this day, too busy to remember clearly. 2015 years ago I was like this, it will still do Taobao, every day in addition to optimizing Taobao shop, reception customers, but also need to pack to do after the sale. Not onl

I believe that each of the first SEO keyword optimization of this line of beginners have such a goal, determined to become an excellent SEO optimization personnel, to become a master of this industry to achieve excellent results. It seems to be true, I was just beginning to enter the Shenzhen website optimization This line of thought, thinking that since the decision to engage in this line must make a point in this line can reflect their own value. This is just the goal of the practice process h

Now mention the site Exchange links, many people feel miserable, is not very difficult, difficult to the sky. Because everyone has a scale in mind, hope that the balance towards their side tilt a little, take advantage of a little. Finally exchange to their own hope of the link, improve their site weight is expected to see, that the bottom of our hearts that what it looks like? Today I will share with you about the exchange of Web links need to learn

Do the station for a long time, the phase of the webmaster are more or less will encounter the situation of the site K, if it is experienced stationmaster encounter this kind of situation still better, because he knows how to solve, but the newcomer encounters this kind of K station situation, either is pessimistic abandons the website, either is has to change the domain name, in fact, stationmaster big may not need so pessimistic, or hurry to change

Tags: etc inno ati cut mail best URL statement catch PackageCom.xuebusi.jdbc; ImportJava.sql.*; /*** See why MyBatis is required from the JDBC program * 1. The URL, user name, and password required to load the driver and database connection are written in the program, and the program is modified later if the database is replaced. So it is best to define the external configuration file; * 2.SQL statements are also written dead in the program: * (1) Later if you

Label:the role of foreign keys The main role of foreign keys is to maintain data consistency and integrity. About foreign keys, I have some of my own understanding, but I do not know whether it is correct, for example to express my view: If you need to build a table, what kind of table it? A student's personal information table for a class: So in the design, you add a foreign key to table 1, the foreign key is the Number field in table 2, then table

before the insert operation.3. Reasons against Rebuilding the indexA. Most scripts rely on index_stats dynamic tables.This table is populated with the following command: Analyze index ... validate structure;Although this is a valid index-checking method, it obtains exclusive table locks when it parses the index. For large indexes, the impact is enormous, because DML operations on the table are not allowed during this period. Although this method can be run online without locking the table, it