1. Exception handling process
Exception Name:describeBaseExceptionBase class for all exceptionsSystemExitInterpreter request exitKeyboardInterruptUser interrupts execution (usually enter ^ C)ExceptionBase class for general errorStopIterationThe iterator has no more valuesGeneratorExitAn exception occurs in the generator to notify the exitStand ...
Posted by mduran on Fri, 26 Aug 2022 02:54:37 +0300
DAST is the abbreviation of Dynamic Application Security Testing, that is, Dynamic Application Security Testing. It is a kind of application security testing, which corresponds to SAST and belongs to black box testing.
Advantages of DAST
Language independent Quickly discover those vulnerable vulnerabilities (XSS, SQL Injection, etc.) ...
Posted by crackfox on Fri, 26 Aug 2022 02:00:31 +0300
1, Nested loop comparison (code runtime management)
In python, if we want to pursue the simplicity of the code, we need to understand that more code will take more time to run, which will reduce the work efficiency. Next, we observe the effect through python's time library
for x in range(0, 35):
# y stan ...
Posted by paulsiew2 on Fri, 26 Aug 2022 00:29:49 +0300
I haven't done this for a long time. By the way, I was asked about it during the interview
Remove duplicate items
select distinct Column name from Table name;
give an example
Before use:(Here you can see that 3 repeat)
select client ID from Orders;
After use:(It can be seen here that onl ...
Posted by dlebowski on Thu, 25 Aug 2022 12:39:11 +0300
1, Specific contents
1.1 concept of polymorphism
1.2 polymorphic requirements
1.3 implementation steps of polymorphism
1.4 definition of polymorphism
2, abstract class
2.1 abstract concepts
2.2 abstract method
3.1 concept of interface
3.2 definition and use of interface
3.3 contents of interface ...
Posted by ramu_rp2005 on Thu, 25 Aug 2022 09:59:23 +0300
Use matplotlib to draw a parallel line graph that often appears in the literature.
Attached code, and will explain some difficult points in drawing.
1 data tuple
2. Subplot position: subplot setting
3. Line color and legend
4. tight_layout: fill in blanks and modify spacing
Posted by dearsina on Wed, 24 Aug 2022 10:39:26 +0300
ApiFormatMd lightweight Java interface document generation tool
Execute Java code completely based on native code without reference to additional dependenciesGenerate MarkDown format documents. You can use ShowDoc to generate online documents
Author = 'River fire is like a firefly' (corre ...
Posted by maseeha on Wed, 24 Aug 2022 07:29:09 +0300
Edge detection is a common method of image segmentation based on gray level mutation. Its essence is to extract the features of discontinuous parts in the image. At present, the common edge detection operators include difference operator, Roberts operator, Sobel operator, Prewitt operator, Log operator and Canny operator.
Posted by robot_nader on Wed, 24 Aug 2022 04:20:26 +0300
Spring Boot version
The version of Spring Boot on which this article is based is 2.3.4.RELEASE.
What is an interceptor?
Interceptor in Spring MVC is similar to Filter in Servlet. It is mainly used to intercept user requests and handle them accordingly. For example, the interceptor can perform permission verification, log the request informat ...
Posted by ghurtado on Tue, 23 Aug 2022 04:29:05 +0300