A series of thoughts raised by "How to run a hive SQL statement using the specified queue (Yarn) After Beeline connection HiveServer2"

Label: background  The version of HiveServer2 we use is 0.13.1-cdh5.3.2, and the current tasks are built using hive SQL in two types: manual tasks (ad hoc analysis requirements), scheduling tasks (general analysis requirements), both

Practice of RC4 Encryption algorithm

Tags: RC4 encryption algorithm RC4 cryptographic decryption symmetric algorithm variable keyThe encryption algorithm simply says?? Encryption is not so mysterious, after trying, encryption application is also very simple, although they do not think

POJ 3067 Japan (tree-like array)

Label:Japan Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 23111 Accepted: 6232 DescriptionJapan plans to welcome the ACM ICPC World Finals and a lot of roads must is built

(algorithm) to find prime or prime numbers between 1 and 100 million

Label:Topic:Number of prime or prime numbers between 1 and 100 millionIdeas:What is prime?Prime number, also known as prime number, has an infinite number. A natural number greater than 1, except 1 and itself, cannot be divisible by other natural

JS array management [Add, delete, change, check]

Label:Today, when designing a form, we encountered some problems dealing with arrays, such as how to create an array, and then the method of adding and deleting the array. See APIFf:firefox, N:netscape, Ie:internet Explorer Method

Hangzhou Electric (HDU) 5019 Revenge of GCD

Tags: ACM GCD hangzhou ElectricRevenge of GCDTime limit:2000/1000 MS (java/others) Memory limit:32768/32768 K (java/others)Total submission (s): 1724 Accepted Submission (s): 472Problem DescriptionIn Mathematics, the greatest common divisor (GCD),

BASE64 encoding and decoding

Label:reliance on Jar:import org.apache.commons.codec.binary.Base64;BASE64 and other similar coding algorithms are commonly used to convert binary data into textual data, which is intended to simplify storage or transmission. More specifically, the

The difference between break and continue and the use of label labels

Label:Break means to jump directly out of the current loop, and break can only be applied to switch--case statements and loopsContinue means jumping out of the loop and continuing with the next loopThe label tag can choose to break, or continue for

BUS Matrix

Label:ARM's bus matrix is multi-master (CORE,DMA, etc.), multi-Slave (internal RAM,APB, external bus, etc.) cross-linking and arbitration. The purpose is to improve the bandwidth of different hosts accessing different peripherals, and the other is

32-and 64-bit system differences and int bytes

Label:A) What is the difference between a 64-bit system and 32-bit?1, 64bit CPU has greater addressing capacity, the maximum support to 16GB memory, and 32bit only support 4G memoryThe 2, 64-bit CPU can extract 64 bits of data at a time, which is

Using Base64 to encode and decode images

Tags: PHP encoded base64 picturesTrying to transfer images through JSON, this is the time to think of using Base64 encoding method to image. The main steps are1, the image file encoding, converted to Base64 encoded format, and a long string of

HDU1067 Gap (bfs+ HASH pruning, matrix represented by a number)

Tags: hdu1067Test instructions: In the 4*8 diagram, give you 4 types of cards, each card serial number 1-7, such as 42 for the 4th card of the second, now give you 4*7 total 28, while the leftmost column starts empty, the first step you have to do

Compiling x64 bits with MINGW-W64 ffmpeg

Label:This article from: http://blog.sina.com.cn/s/blog_6125d067010168dt.htmlFFmpeg x64 was used in the work. It is not easy to find FFmpeg compiled out of x64. The special record.The original plan compiles the static library, discovers the static

Num 23:hdoj:2199 Can solve this equation? + hdoj:1969 Pie [dichotomy]

Tags: c language Simple example hdoj two-part methodWe usually do this when we are dealing with 0 points of a function in computational mathematics:1. First judge the 0 point in a monotone interval [a, b] (assuming an increment interval);2. Then

Ganymed SSH2 analog Similar FileZilla remote transfer file (based on SCP protocol)

Tags: ganymed ssh2 remote transfer file ganymed ssh2 SCP protocol ganymed SSH2 analog similar filganymed SSH2 analog similar FileZilla remote transfer file (based on SCP protocol)In order to transfer files or directories, we use the Scpclient class

Openssl

Label: <title>Openssl</title> Openssltable of Contents Symmetric encryption One-way encryption MAC: Information Digest code, one-way encryption extension application User authentication Key pair

UESTC 618 no-squared factor (tolerance + mo-Black inversion)

Tags: uestc-mo.number of square-free factorsTime Limit:4000/2000ms (java/others)Memory limit:65535/65535kb (java/others)Submit StatusThe number of no-squared factors, that is, for any one prime p,p2 will not divide that number, such as 1, 5=5, 15=3x5

Encryption and decryption practice using the digital certificate of the first degree (i)--Certificate acquisition and management

Label:First, obtain the certificate1. Obtained from CA2. Obtained from WINDOWS2003 Certificate service3, using the MakeCert tool to obtainSecond, the preservation of certificates1. Save in certificate store2. Save in file Form2.1. Certificate with

Step-by-step follow official documents to install the latest Zabbix (2.4.5) A

Tags: Zabbix official installation IntroductionWhat is Zabbix?Zabbix is an open source enterprise-class distributed solution.Zabbix is a software that monitors multiple resources, including the network, the health of integrated services, and so on.

Design of the calculator using UI custom controls in OC (version 1 simple subtraction, add, subtract, connect, connect)

Tags: UI Control Calculator Button Event TriggerDesign of the calculator using UI custom controls in OC (version 1 simple subtraction, add, subtract, connect, connect)#import <UIKit/UIKit.h> @interface

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