"Sword finger Offer" Java brush question NO.12 adjust array order to make odd number before even number

NO.11: adjust the array order so that the odd number is before the even number Portal: General Catalogue of sword finger Offer Time: February 18, 2020Title: Input an integer array, and implement a function to adjust the order of the numbers in the array, so that all the odd numbers are in the first ...

Posted on Sat, 22 Feb 2020 03:39:26 -0800 by RobNewYork

Oversampling will double the image width of YUV420P

Oversampling will double the image width of YUV420P Data format of YUV420P Complete code Realization effect Reference link To complete the mapping of the plane texture and the spherical texture, the scale of the plane texture image must be width:height=2:1, because the panoramic image with this sc ...

Posted on Sat, 22 Feb 2020 03:32:41 -0800 by Kitara

015-A VLAN to VLAN routing

Article directory background VLAN Routing - one physical connection per VLAN VLAN Routing - single arm routing VLAN Routing - layer 3 switching background VLAN is not for complete isolation, but for better communication of users. So how to better control communication? This is the routing techno ...

Posted on Sat, 22 Feb 2020 03:30:51 -0800 by christillis

Collection, List and ArrayList source code

Collection, List and ArrayList source code 1. set 1.1 iterator Get the corresponding iterator < E > iterator through the collection object Iterator<E> iterator(); Common methods: boolean hasNext(); Determine whether the current Iterator can continue to run. E next(); Gets the cu ...

Posted on Sat, 22 Feb 2020 03:19:33 -0800 by ludjer

The usage of partial * * * ByKey in pyspark

Preparation import pyspark from pyspark import SparkContext from pyspark import SparkConf conf=SparkConf().setAppName("lg").setMaster('local[4]') sc=SparkContext.getOrCreate(conf) 1. aggregateByKey The former function in aggregateByKey is a function calculated in each partition, and the latter fun ...

Posted on Sat, 22 Feb 2020 01:35:39 -0800 by YOUAREtehSCENE

quartz integrates spring boot to realize CRUD details operation of dynamic configuration task

quartz integrates spring boot to realize CRUD details operation of dynamic configuration task Article directory quartz integrates spring boot to realize CRUD details operation of dynamic configuration task 1, Introduction to quartz Quartz API 2, quartz integrates spring boot to realize CRUD of dyna ...

Posted on Sat, 22 Feb 2020 01:08:44 -0800 by ajcether

size() method of ConcurrentHashMap (1.7 and 1.8)

In versions 1.7 and 1.8, the calculation size() method is written differently. The implementation of version 1.7 is introduced first. 1.7 version In version 1.7, there is an important class Segment, which is used to implement segmented lock static final class Segment<K,V> extends ReentrantLock implements Serializable { private s ...

Posted on Sat, 22 Feb 2020 01:07:10 -0800 by wenquxing

visdom visual installation and getting started (with Python MPL handwritten digit recognition case source code)

Note: attached cases need to have pytorch Foundation Why use visdom instead of matplotlib or tensorboardX? 1.visdom can directly accept the sensor of the torch without converting it to numpy array;2. Higher operation efficiency. Tensorbboard will write data to files, resulting in a large number of lis ...

Posted on Fri, 21 Feb 2020 23:21:59 -0800 by thewooleymammoth

Front end network monitoring and heavy chain disconnection

Business background Recently, when doing large screen data visualization project, when thinking about project delivery and operation, considering the need to display on the company's large screen display, I suddenly thought that the project might face the problem of display in case of network disconnection and slow network speed, so I have to e ...

Posted on Fri, 21 Feb 2020 23:08:44 -0800 by getmukesh

[VS Code configures Go development environment]

[VS Code configures Go development environment] 1. Search for go in the vscode extension and download the extension. 2. Install Go plug-in 3. Third party library dependency 4. Debugging configuration 1. Search for go in the vscode extension and download the extension. 2. Install Go plug-in Af ...

Posted on Fri, 21 Feb 2020 22:35:00 -0800 by ghe