autocorrect mistakes

-----------------------------------------------------------------------------------------------Not good: (can also run) @foreach (var user in Roles.getusersinrole ((string) viewbag.oldrole)) { Good: @foreach (var user in Roles.getusersinrole ((string) viewbag.oldrole)){@user }Note: @ In addition to the context from HTML to CS, can also do the opposite change. The simplicity of this code is much better.Description: I thought razor would like to "Mosaic C # in HTML" into "embedded H

are not wrong, even eclipse and the database open way is not wrong, but he is an error, as for the reasons I do not know, but I guess, The reason for this error is because my HQL query statement has a SELECT, and there is only one field behind the Select, and if you add two fields or add a count (1), I infer that when there is only one field behind the Select, The system automatically transforms the returned result into an object, not an array of objects, because we all know that it is good to

Please do not repeat the mistakes I made in learning Python and Linux systems, pythonlinux I have been working in the O M industry for nearly ten years. I first came into contact with Linux in my sophomore year. At that time, I only sought to understand it. So I chose Ubuntu as the learning and usage object, it is simple, easy to use, easy to operate, and elegant interface. It is very good for new users who want to contact Linux. Later, due to my lim

Error one: Low-level error, will n to see m,1Figure 1It took me almost 2 hours to get this wrong. Swept the code several times with it, the internet looked better.Error Two: This is a low-energy high-level error. Effect of specific template display 2Figure 2As long as the relative address and absolute address to find the right, but I have set up, it feels like the constant did not take effect, the result is like 2. My constant setting 3The portal file defines constants and templates to refer to

As a computer user, improper use or malicious damage from external factors can cause system crashes. Therefore, we often encounter problems with reinstalling the system. The reinstalled system is like a wasteland that has not been reclaimed, how to configure an "efficient" Easy-to-use "and" economical "system becomes a very important issue, next we will discuss in detail the common mistakes in system software configuration and selection with the wides

It is easy to make minor mistakes in 10 JavaScript codes! Today, JavaScript has become the core of web page editing. Especially in the past few years, the Internet has witnessed the emergence of a large number of JS libraries in SPA development, graphics processing, and interaction. If you deal with js for the first time, many people will think that js is very simple. Indeed, for many experienced engineers or even beginners, it is almost impossible t

clear and orderly. If there are too many similar colors, the distinction becomes difficult, on the other hand, strong color conflicts will appear messy and unattractive.To ensure better readability and overall usability, colors should not go out of bounds. There should be a color harmony between each other, so that the site will not appear abrupt and unsightly. Whether it is web design or classic art design, attention to color balance has a great impact on the overall appearance. For starters,

this method, you need to configure it in Androidmanifest.xml:android:icon= "@drawable/icon"Android:label= "@string/app_name" >13, theAndroid simulator phone to send text messagesGphone Simulator has a unique number: 15555218135, this is similar to our physical phone SIM card number. To implement dial-up, use your phone? Of course not!More simple, three steps:1. Open the terminal2. Connection: telnet localhost 5554 (5554 is the number shown above when you open the simulator)3. Command: GSM call

delivery (Json_encode) to avoid errors.Of course, you can use another method, similar to cheating method, directly comment out (or do not write) DataType, so that the browser will not check the form of data, but based on the data of the form of intelligent judgment, similar to muddle through. 以下是dataType的W3school解释：It is important to note that after the multiple echo outputs in the back-end PHP file, the data return is returned, which is correct, and the front end data is 2 data in the form of

Preface: Encounter this mistake, do not panic, hog according to Wentao uncle under the way to deal with it.1, couldn ' t find Ionic.config.json file. Is your in an Ionic project?After creating the Phonegap/cordova app with Webstorm, the project document is not complete. The following images:The entire catalogue is the followingThe solution is that we can just ionic.config.json a copy of the paste into the process. If you can't find this file, build one yourself. The code in the Ionic.config.json

improve more functions.15. Avoid using the drop-down menuUsers should see navigation options visually, and drop-down menus can be confusing.16, use text to do navigation barText navigation can be faster and more stable.17. Don't mix ads in contentThink about the extent to which people are disgusted with the ads and don't want to let your site die, so keep this in mind.18. Ensure that your website is compatible with most browsersUsers will never change their browsing habits for you, to make your

slf4j:detected both Log4j-over-slf4j.jar and Slf4j-log4j12.jar on the class path, preempting stackoverflowerror.Slf4j:see also http://www.slf4j.org/codes.html#log4jDelegationLoop for more details.Exception in thread "main" Java.lang.ExceptionInInitializerErrorAt Org.apache.log4j.LogManager.getLogger (logmanager.java:44)At Org.slf4j.impl.Log4jLoggerFactory.getLogger (log4jloggerfactory.java:66)At Org.slf4j.LoggerFactory.getLogger (loggerfactory.java:277)At Org.slf4j.LoggerFactory.getLogger (logge

*: Very dangerous operation, because/foo foo may not exist, then this sentence will be deleted in the/directoryCorrect: Cd/foo RM *; Execute multiple statements based on the return value of the CD so Cd/foo | | Exit 1;CD. Rm....[bar = = "$foo"]: When you study, you say it very clearly. [] is not supported for a comparison other than =, and = is used only on the comparison of stringsfor i in {1..10};d o something ;d One error, this is directly removed; Because can play a role in segmentation[[

Today's study uses the program of "C Program Design (fourth edition)" To find the maximum value of two numbers.Devcpp Program:#include int main (){int max (int x,int y);int a,b,c;scanf ("%d,%d", a,b);C=max (A, b);printf ("max=%d\n", c);System ("pause");return 0;}int max (int x,int y){int z;if (xelse z=x;printf ("%d\n", z);return (z);}VS2017 Program:#include int main (){int max (int x,int y);int a,b,c;scanf_s ("%d,%d", a,b);C=max (A, b);printf ("max=%d\n", c);System ("pause");return 0;}int max (i

multiple results without using many statements. Another example is sorting and filtering: Of course, you can write a method to receive the original collection and return an ordered set, but that would be too wasteful for large collections. (The answer from StackOverflow's Dasblinkenlight ' s)Why String is immutable?9. Constructors for parent and child classesThis compile-time error occurs when the default constructor method of the parent class is undefined, and in Java, if a class does not have

undefined, and the compiler will report the error message.To fix this problem, you can simply add a super () constructor to the parent class by 1), like this: 123 publicSuper(){System.out.println("Super");} or 2) Remove the parent class custom constructor method, or 3) call the super (value) method of the parent class in the constructor method of the child class.Constructor of Super and Stub10. "" or the constructorThere are two ways to create a string

what) people tend to be crazy, miserable, I encountered such a Web page on the headache, why to use so much recommends using 3. Reuse code that implements the same functionality, or assorted code the odds of making a mistake: very common universality: Very common the possibility of making mistakes: complex and diverse Let's take a look at the following code: I don't know how the reader feels, and the first thing I see in this code is t

A year ago, I had just graduated from college and decided to step into society. I have a lot of initial ideas and want to make them happen, but I don't know how to program. Following the advice of Yipit co-founder Vin vacant, I began to learn to program myself. Now I finally learned enough knowledge to achieve their own product prototype, along the way, very bumpy. If you are on the same road as me, I hope you will avoid making the same mistakes as

Connecting the stack of the previous Java exploration, and the inner exploration of erasing, you can learn two ways to master array errors. Packagecom.dreamly.day01;/** * @authordreamly **/ Public classArrayTest01 { Public Static voidMain (string[] args) {int[] x=New int[3]; X=NULL;//erases the connection to the instance object, that is, the address value is not saved. System.out.println (x[0]); //nullpointerexception: null pointer exception, when reference does not have any point to a value of

same, but it is better to save code than separate named IDs, but the cost is that the code lost a good structure. The result of the loss of good structure is: first, the source code is not readable; second, the site increased the unknown maintenance costs. Just imagine, when a piece of content because of the need to make changes in the form, such as the color of links, etc., we have to modify the page source file, add Extra class, the workload than only need to adjust the ID group a lot. And ov