PL/SQL Developer Usage tips and shortcut key settings

1. Class SQL Plus window: File->new->command Window, which is similar to Oracle's client-side tool SQL Plus, is much more useful than the sqlplus in CMD. 2. Set keywords to capitalize automatically: Tools->preferences->editor, select the keyword

Parsing SQL with the Druid parser

Recently participated in an open source project, a function of the implementation, using the Druid parser to parse SQL, record if the use of Druid to parse SQL, the implementation of SQL interception rewrite.1. Parse the INSERT statement:private

Chrome shortcut keys in the Mac

1. Tabs and Windows shortcut keys ?-N Opens a new window. ?-T Opens a new tab page. ?-shift-n Opens a new window in Incognito mode. Press ?-o, and then select the file. Open

How Mac systems Show and hide files

Believe only to start with the Mac system will be a little bit uncomfortable, no GUI operation to show and hide the file, at least I do not know.Apple Mac OS X operating system, hidden files are shown there are many ways to set, the simplest to

Seed filling algorithm of CGA filling algorithm

Seed filling algorithm of CGA filling algorithmThe plane area filling algorithm is an important algorithm in the field of computer graphics, which gives the boundary of an area (or the absence of a boundary, but only the specified color), which

IntelliJ idea problem Summary of a--jar package, assets, maven, git

Because of the need to work, these days began to abandon eclipse, change idea. In a few days, idea did have some places that were more convenient. But there's a lot of trouble. and the corresponding information on the Internet and not so much of

About the comparator interface and comparable interfaces and their respective methods compare () and CompareTo ()

In today's leetcode, there are two of them. The use of interfaces to implement the ordering of objects. RELATED links to the two questions:1. Sorting objects using the comparable interface2. Using comparator interface to achieve sortingBecause the

Three roles of the scrum team

The scrum team includes three roles, namely the product owner, the development team, and the scrum Master.The Scrum team is a self-organizing, cross-functional, complete team. Self-organizing teams decide how best to complete their work, rather than

Bootstrap Quick Learning Notes (2) Second form series

Welcome to Bootstrap Quick Learning notes (2) Form series twoThis study note is based on the [MU Lesson network] tutorial, which is used to learn bootstrap, which will bring a new experience: Form Control Size Form control state

You have to work very hard to look effortless.

There are a group of people, they are active self-discipline, according to the plan every day, methodical, they do not publicize, as the most humble grass, waiting for life to bloom the day. They get up 5 o'clock in the morning, you're sleeping, you

[2015-12-24] OMG American daily notes-santa Claus

Insist on learning English, omg spoken very long good, adhere to daily finishing. Learn English adhere to the most important, learn English adhere to the most important, learn English adhere to the most important say three times!

easyui-combobox-checkbox-drop-down box with check box

$.post ("Getsubinsurancetypelist.do", {parent_id:node.id},function (result) {if (Result.length = = 0) {$ ("#sub-insurance"). AddClass ("none");} else {$ ("#sub-insurance"). Removeclass ("none");Drop-down box with check box$ ("#sub_insurance_type").

RAID disk Array Data recovery method introduction

RAID disk array devices, which often encounter some common failures during use, also bring a lot of hard-to-estimate data risk beyond the applications that bring us massive storage space. What is the reason for the loss of RAID array information?

Hdu--pku topic Categories

HDUSimulation questions, enumerating1002 1004 1013 1015 1017 1020 1022 1029 1031 1033 1034 1035 1036 1037 1039 1042 1047 1048 1049 1050 1057 1062 1063 1064 10 70 1073 1075 1082 1083 1084 1088 1106 1107 1113 1117 1119 1128 1129 1144 1148 1157 1161 117

Add Nginx to system service (service Nginx Start/stop/restart)

#!/bin/sh#chkconfig:2345#description:startup script for Nginx webserver on Debian. Place IN/ETC/INIT.D and#Run ' update-rc.d-f nginx defaults ', or use the appropriate command on your#distro. For Centos/redhat run: ' chkconfig--add nginx '## BEGIN

Dos Attack method (HPING3)

This article is my previous in and company colleagues testing company firewall products, the relevant test summary, first excerpt as follows:1. DOS with Random source IP1 [email protected]:~# hping3-c 10000-d 120-s-W 64-p +--flood--rand-source

The special-xenserver of the Three Musketeers in virtualization (i)

Architecture ChapterBefore we introduced the server virtualization Three Musketeers in VMware and Hyper-V, today we proceed with the rest of the content of Citrix's XenServer.The XenServer uses an open source Xen hypervisor that deploys a very broad

Git: Some basic commands

1. Quick access to remote projects1) git clone xxx.git//such as: Git clone git://git.kernel.org/pub/scm/git/git.git2) git clone [email protected]Http://www.kernel.org/pub/scm/git/git.git//username access, Git will prompt you password3) git clone-b

A supplementary tutorial on the data structure of piglet--2.7 loop linked list in linear table

A supplementary tutorial on the data structure of piglet--2.7 loop linked list in linear tabletags (space delimited): Data structureLearning Roadmap and Learning Essentials in this sectionLearning Essentials : 1. Understanding the reasons

Summary of configuration formats of dynamic routing (ripV2, ospf, VPN, bgp, IS-IS)

Summary of configuration formats of dynamic routing (ripV2, ospf, VPN, bgp, IS-IS)1. r12002router rip enable rip Protocol no atuo-summary disable automatic summary of version 2 2 network x mask x declaring the network segment (the subnet mask is a

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