watchdog generator

Reference: http://blog.csdn.net/scelong/article/details/6969276Python BuilderWhat is a python generator, meaning a function with a yield statement, since it is a function, what does it have to do with a normal function?The generator is a function that remembers where in the function body the last time it was returned. A second (or nth) call to the generator funct

Generator #生成器 Can iterate Can only be read once Generate data in real time, not all in memory With a list build, we can create a list directly. However, with memory limitations, the list capacity is certainly limited. Also, creating a list of 1 million elements takes up a lot of storage space, and if we just need to access the first few elements, the vast majority of the space behind it is wasted. If a list element can be inferr

As you may have heard, the function with yield is called generator (generator) in Python, what is generator?Let's throw away the generator and show the concept of yield with a common programming topic.How to generate Fibonacci columnsThe Fibonacci (Fibonacci) Number column is a very simple recursive sequence, in additi

1. Why do I have a generator?With list generation, we can create a list directly. However, with memory limitations, the list capacity is certainly limited. Also, creating a list of 1 million elements takes up a lot of storage space, and if we just need to access the first few elements, the vast majority of the space behind it is wasted. So, if the list element can be calculated according to an algorithm, then whether we can ...The subsequent elements

Questions raised:We know that through the list generation, we can create a list directly. However, the list capacity is certainly limited by the memory limit. And, creating a list of 1 million elements, not only takes up a lot of storage space, but if we just need to access the first few elements, the space behind most of the elements is wasted.So if the list element can be calculated according to some algorithm, then whether we can continue to calculate the subsequent elements in the process of

Http://www.cnblogs.com/talo/articles/1663978.html This article describes the significance of the generator attribute of hibernate. There are 7 types of generator attributes. This article briefly describes the meaning and usage of these 7 classes. class name="onlyfun.caterpillar.User" table="USER"> id name="id" type="string" unsaved-value="null"> column name="USER_ID"/>

Summary: What is Generator starting with PHP 5.5, PHP has added a new feature, which is Generator, the Chinese translator builder. The generator can be simply used to implement an iterative iteration of the object, let's start with a small example of the official. Xrange in PHP, we all know that there is a function called ... What is

This article introduces to you the content of the PHP dynamic generation of the content of the array (generator) parsing, there is a certain reference value, the need for friends can refer to, I hope to help you. Defined: Generator: "An array of dynamically generated content" that is used to produce a value.Use with: Keyword yield foreach Process: The method used as a

in Python, this side loop computes the mechanism, called the generator: Generator. The generator holds the algorithm, each time it calls next (), calculates the value of the next element,throws a stopiteration exception until the last element is calculated and no more elements are thrownof course, this constant call to next () is so perverted that the correct app

Background knowledge:In Python, a function is required to run, which requires three things in a Python vm. Pycodeobject, the code that saved the function. Pyfunctionobject, this represents a function object in a virtual machine. Pyframeobject, which represents the call chain and the stack when the function is run Python is the only thing that simulates 0x86 's function call through these three things.In Python, Coroutine is called the g