For the following code ,pvdev A warning of unused variables is generated

 for i in range(5):
func()

terms of settlement :

Replace variables with underscores _, There will be no alarms . The changes are as follows :

 for _ in range(5):
func()

reason :

>>> 1+2
3
>>> _
3

http://stackoverflow.com/questions/818828/is-it-possible-to-implement-a-python-for-range-loop-without-an-iterator-variable

for loop ,pydev Prompt for unused variables , More articles on solutions

  1. Oracle11g - dos command sqlplus/nolog Tips It's not an internal order solution

    Follow up installation Oracle 11g after , Unlock SCOtt They found dos command sqlplus/nolog Tips It's not an internal order solution   Through the actual verification, the effective method steps are as follows : Step one : Start >> find Or ...

  2. WPF The solution to not granting trust after publishing a program

    WPF The solution to not granting trust after publishing a program browser-based WPF The application program needs higher operation authority , So in the security properties of the project, select “ This is a completely trusted application ” Options . But , After the release deployment , Open it on another computer xbap file ...

  3. Baidu Maps API Show multiple dimension points , Another way to solve the problem of prompt information and add the text connection prompt beside the map to the label

    original text : Baidu Maps API Show multiple dimension points , Another way to solve the problem of prompt information and add the text connection prompt beside the map to the label The revision of the company's website requires that Baidu map be displayed on one page . Many annotation points should be displayed on it at the same time , Of course, there should be prompt information for the marking points , carry ...

  4. Android Studio Prompt after installation No JVM installation found terms of settlement

    Android Studio Prompt after installation No JVM installation found terms of settlement Problem description :Android Studio Installation completed , A prompt appears when opening "No JVM install ...

  5. eclipse The solution to the failure of automatic prompt function ( Reprint )

    eclipse The solution to the failure of automatic prompt function label : eclipse lenovo 2012-08-09 14:32 24687 Human reading   Comment on (7)  Collection   report   classification : Android(38)  Copyright notice : This is a blog ...

  6. sqlserver Attach database failed , Error message :5 Access denied terms of settlement

    sqlserver Attach database failed , Error message :5 Access denied terms of settlement Peter Jackson's King Kong sqlserver Additional database Access denied Copy the project to a new hard disk today , Found prompt in attached database : Operating system error 5:"5 Refuse ...

  7. eclipse In the project about import project prompt HttpServletRequest Solutions that cannot be quoted

    eclipse In the project about import project prompt HttpServletRequest Solutions that cannot be quoted When using eclipse Import external web Engineering time , Sometimes it will prompt HttpServletRequest, Serv ...

  8. Share :Windows2008 Solution to prompt system recovery options after restart

    As the title :WINdows2008 The server . Solution to prompt system recovery options after restart Use windows 2008 after , Can't start problem , It appears after restart Repair system options Use some of the commands in the following post . I use it directly myself : choose ...

  9. There is no app installed on your phone android Click the shortcut to prompt for the solution of the UN installed program

    lately APP There is a very strange problem , stay Android 4.4.2 and android 4.4.3 Click on the application shortcut on the system , Can't open the app , And it will prompt that the program is not installed . Confirm the application of MainActivity Set up in and ...

Random recommendation

  1. < Page folding and opening >

    The main idea is : By covering , How it's displayed .visible by true And false,id as well as function The difference of parameters in a function . The specific code is as follows : <script type="text/javas ...

  2. PHPMailer Mail class use error analysis

    PHPMailer The configuration list is as follows : require_once ‘class.phpmailer.php‘; $receiver = ”; $mail =  new PHPMailer ( ); $mai ...

  3. gcd,lcm,ext_gcd,inv

    Least Common Multiple http://acm.hdu.edu.cn/showproblem.php?pid=1019 #include<cstdio> int gcd( ...

  4. MVC Common methods

    1. backstage action Method to add error messages to the dictionary (key,value) ModelState.AddModelError("Error", " Error in parameter transmission , Please try again ! ...

  5. poj 1367 robot( Search for )

    The question : Here's a picture for you , Find the starting point To The minimum time to finish There are two choices at a time ①: Go straight ahead 1~3 Step                ② Choose where you are 90°   It takes time 1s In the figure 1 For obstacles , And you can't go out of the border . Also consider the diameter of the robot ...

  6. Netflix Recommendations

    by Xavier Amatriain and Justin Basilico (Personalization Science and Engineering) In part one of thi ...

  7. linux RCU Mechanism

    Reference material : https://www.cnblogs.com/qcloud1001/p/7755331.html https://www.cnblogs.com/chaozhu/p/6265740.ht ...

  8. Docker Mirror usage

    When the running container is , If the image used does not exist locally ,docker Will automatically from docker Download in the image warehouse , The default is Docker Hub Public image source download . Now let's learn : 1. Manage and use local Docker Host image ...

  9. Be ready to try openFrameworks

    use PCL(Point Cloud Library) It's been more than two years , At that time, I chose PCL The reason is that what is suitable for use only knows CGAL and PCL, and CGAL Too big , There's no way to start , So I chose PCL. Start installing and configuring PCL They were abused ...

  10. Gearman Use

    For distributed network environment or applications with a large number of tasks , We need to distribute tasks among different servers , This is the right time to Gearman When it comes to strength . Although we can also use MQ Queue plus some of their own scheduling algorithm to distribute tasks , however ...