Reprint: Plsql developer use skill finishing

Shortcut:=====================================================================Edit/undo Ctrl + ZEdit/redo shift+ctrl+zEdit/pl/sql beautifier ctrl+w (Custom) Shift+home Selecting the cursor position to the beginning of the lineShift+end Select the

How floating-point numbers are stored in the MODBUS RTU protocol, and how the values of the floating-point registers are converted to the required floating-point numbers

Floating-point numbers are saved in the following byte format:Address +0 +1 +2 +3Content seee eeee emmm MMMM MMMM MMMM MMMM MMMMOver hereS represents the sign bit, 1 is negative, 0 is positiveThe power of E offset 127, binary order =

QT New Process working directory settings (working directory is actually inherited by the quilt process, but can also be set)

After a trial, QT initiates a new process, the working directory of the process is inherited from the parent process, either through start or startdetached.In fact, for the Linux system, the QT bottom should also call fork, exec and other functions,

Bullying one-World charging series [SVN centralized version management system]

SVN centralized version management system--Bullying One World rechargeable seriesOne, SVN server1. What is SVNSVN (Subversion) is a platform-based, open-source version control system. Manage various data changes over time. SVN backs up and records

Implementation of WCF Extensions ZEROMQ binding and Protocolbuffer message encoding (iii) Implementation Replychannel (2016-03-15 12:35)

This is the third article in this series, other articles please click the following directoryImplementation of WCF Extensions ZEROMQ binding and Protocolbuffer message encoding (i) Overview designImplementation of the WCF extension ZEROMQ binding

The architecture and difference of the service side of the hand tour and the end tour

Transferred from: http://www.gameres.com/336666.htmlThe service side of the hand tour and the end tour is essentially no different, the difference is the game type .Type 1: Weak interactive server with cards, parkour, etc.Card Parkour class because

POJ Training Program 1035_spell Checker (serial Handling/violence)

Spell Checker Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 18418 Accepted: 6759 DescriptionYou, as a member of a development team for a new spell checking program, is to

Regular expressions and text processing one of the Three Musketeers: grep and Egrep

for people who are just touching, regular expression learning and using a painful and confusing thing, but as long as there is enthusiasm, will find very interesting. Then please let us play the spirit, come up with their own interests and passion

The difference between #pragma once and #ifdef

When a project is relatively large, it is often a sub-file, it is possible to accidentally put the same header file include multiple times, or the head file nested contains:The A.H contains b.h:#include "B.h"The b.h contains a.h:#include "A.h"Use

Cap principle (Cap theorem)

The cap principle, also known as the cap theorem, refers to consistency (consistency), availability (availability), Partition tolerance (partition fault tolerance) in a distributed system, which cannot be combined.The CAP principle is the

The variables and their enhancements in BEx Query designer

About Variable:1.Variable is bound to infoobject and can be used in any query that contains the IO. There are several types of 2.Variable: Characteristic: Used to restrict char. Text: Used to dynamically display texts in a report.

3 minutes, 9 Q&a let you know quickly what Docker is.

Both Google, Amazon, Microsoft, and VMware are embracing the new era of cloud virtualization from Docker and container, both of which are emerging trends in the IT community. What exactly is Docker and container? Here are 9 q&a to tell you.is

Auth User Authentication Library

For the Auth library, the following are recommended:1. Ion_auth, based on Redux rewrite, very good certification library, a lot of foreign use, a few of the latest ci2.0.2 based on open source systems (such as doveforum) used it, support CI 2.0 and

Magic Calculator for DC and BC

Magic Calculator for DC and BCLinux is the P244.Http://baike.baidu.com/link?url= Ylttivbfc1tfzreeuqoe8d0c6yqwbzgqnmlobq1hjvadxxlatniwkkhli9u-4txwd4cuxos6oqnwiesmyoxulue_zhko3fevdzbnxhi4xpgDC old, is the abbreviation of desk caclulator, use inverse

Raspberry Pi Webcam Use

The official Raspberry Pi camera Module, capable of shooting 5 million megapixel images and recording 1080p video, uses the CSI interface on the Raspberry Pi board.Installing the CameraFirst make sure that the Raspberry Pi system is a newer version

A young rabbit one months into a rabbit, and then a month to grow into a rabbit and give birth to a young rabbit, ask 24 months after how many pairs of rabbits, into a rabbit every month will give birth to a pair of young rabbits

intA=1, b=0, c=0, sum =0;//a young rabbit logarithm, b small rabbit logarithm, c into the rabbit logarithm, sum total logarithm for(inti =1; I -; i++) { if(i = =1) {a=1; b=0; C=0; } Else{C= B +C;

Share a large invoicing supply Chain project (multi-tiered architecture, distributed WCF Multi-server deployment, Microsoft Enterprise Library architecture)

Share a large invoicing supply Chain project (multi-tiered architecture, distributed WCF Multi-server deployment, Microsoft Enterprise Library architecture)This is a relatively large project, ready to open source. Support N store operation

64 Horses, 8 tracks, find out the top 4 of the minimum number of races?—— the fastest 10 times, the slowest 11 times;

64 Horses, 8 tracks, find out how many of the top 4 races are the least?Original answer, reproduced please specify the source: http://www.cnblogs.com/reanote/p/find_4th_in_64horse.htmlThe first step : All the horses divided into 8 groups, each run

An ill-posed problem of partial differential equation of turn image

As a preprocessing method, image processing is almost a prelude to all image processing methods. In many cases, image filtering as a preprocessing method of image recognition, it needs to satisfy two restrictive conditions: the contrast is

RAID5 How to recover a single block and multiple hard drive failures

RAID5 is a relatively common disk array, with relatively high fault tolerance, won everyone's favorite. Although the RAID5 fault tolerance is very high, but also encountered a failure, the following to share the experience of RAID5 single block and

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