DB2 Basic Concepts

Label:DB2 supports the following two types of tablespaces:1. System Management Memory table space (Sms-system MANAGED STORAGE)2. Database Management Memory table space (Dms-database MANAGED STORAGE)Comparison of characteristics of SMS and DMS user

DB2 Common Command Daquan

Tags: DB2 commandRecently has been doing database optimization this business, found themselves a lot of DB2 commands are forgotten, and even useless, and sometimes become a bottleneck in the efficiency of the work, 工欲善其事, its prerequisite, so did

The explanation of hash algorithm

Label:Hash table, also known as the hash table, is based on a fast access point of view design, but also a typical " space-time " approach. As the name implies, the data structure can be understood as a linear table, but the elements are not tightly

20 common use examples of time and date libraries in Java8

Tags: java8 date Time Library Jdk8 date Time use java8 time date processing java8 date processing Java.time PackageIn addition to lambda expressions, stream, and a few minor improvements, Java 8 introduces a new set of time-date APIs that we will

BASE64 algorithm and its application

Label:Base64 is one of the most common encoding methods for transmitting 8Bit bytes of code on the network. The use of Base64 has the following three advantages, one is the information hiding encryption, to avoid the security problems caused by the

Definition of structure variables and structure types in language

Label:1. structure type definitiondefinition Mode 1 :Typedef struct Lnode {int data; data fieldsstruct Lnode *next; pointer Field} *linklist;Definition Mode 2 :struct Lnode {int data; data fieldsstruct Lnode *next; pointer Field};Typedef struct

How to create a microblog HTML5 application using the Ubuntu online account API

Label:In this post. We will use the Ubuntu SDK to provide the online account API to access the Weibo API and display the required content. The focus of this article is to show how to use the online account API in HTML 5. We will create a simple HTML

The difference between abstract class and interface in object-oriented design

Label:In Ood (object-oriented design), abstract classes or interfaces are often used, "note: in C + +, there is no concept of interfaces, only abstract classes, and both exist in Java." In the process of use, there may be many people think that the

Introduction to character encoding: how ascii,unicode,utf-8,gb2312 and Unicode and UTF-8 translate

Label:Reference:Http://www.ruanyifeng.com/blog/2007/10/ascii_unicode_and_utf-8.htmlHttp://www.cnblogs.com/mjgforever/archive/2008/02/27/1083135.html1. ASCII codeWe know that inside the computer, all the information is ultimately represented as a

ubuntn14.04 32-bit installation hadoop2.7.2

Label:1. Create a user,sudo addgroup Hadoopsudo adduser-ingroup Hadoop HADOOP_LCC2. Add sudo permissions to the newly created usersudo gedit/etc/sudoers--> hadoop_lcc all= (all:all) all3. Install SSHUnder HADOOP_LCC user sudo apt-get install

Fifth chapter code/Encryption--"Follow me to learn Shiro"

Label:When it comes to password storage issues, you should encrypt/generate a password digest store instead of storing plaintext passwords. For example, the previous 600w csdn account leakage can cause a lot of loss to the user, so it should be

2012 three technical points not suitable for entry

Label:http://blog.csdn.net/lanphaday/article/details/72175062012 three technical points not suitable for entry (UP)Rai Yonghao (http://laiyonghao.com)In fact, the idea of writing this blog has been in the years before, but has been hesitant to write,

Get the time zone in the current system

Label:usingSystem;usingSystem.Collections.ObjectModel;usingSystem.Linq;namespaceconsoleapplication1{classProgram {Private Static voidMain (string[] args) { Try{readonlycollection<TimeZoneInfo> zones =Timezoneinfo.getsystemtimezones (

"2014 Year-end summary" struggle embellishment time, in your my most beautiful years

Label:The sun is tilted and the glow warms the world. This day also to the past, like the last night of wind and Frost, after a night of melting sunshine first gaze, eventually turned into dust for the spring and summer accumulation. 2014 is a year

2015 Microsoft Top ten technical video rankings

Label:2015 major technology companies eight Immortals crossing, recount. Microsoft is particularly shows up against. The following is the 2015 Microsoft Company launched the top ten technical video. According to the number of views ranked, the first

Base64 with MIME and UTF-7

Label:Base64 is a representation of binary data based on 64 printable characters. Since 2 of the 6 is equal to 64, every 6 bits is a unit that corresponds to a printable character. Three bytes have 24 bits, which correspond to 4 Base64 units, 3

Character encoding Ultimate Note: ASCII, Unicode, UTF-8, UTF-16, UCS, BOM, Endian

Label:Very detailed very good, turn around to study:Reprinted from: http://www.cnblogs.com/lidabo/archive/2013/11/27/3446518.html1, character encoding, internal code, incidentally introduced Chinese character codingCharacters must be encoded before

"Turn" running on 64-bit machine 32-bit program considerations

Label:Original URL: http://blog.chinaunix.net/uid-20742320-id-4744472.htmlToday, when I cross-compile an application, I find it troublesome to porting to the Board (NFS is not supported) and want to debug on the PC now. So in the board compiled

Encoding and decoding between Gbk,utf-8, and iso8859-1

Label:What is the difference between Unicode, UTF-8, and iso8859-1?Will take "Chinese" two words as an example, by looking at the table can know its GB2312 code is "d6d0 CEC4", Unicode Encoding "4e2d 6587", UTF code is "E4b8ad e69687".

Advanced Hash Table

Label:GoThis section involves mathematics super many, various number theory knowledge, all kinds of unknown feel Li! Looked a few times, just barely read some, so thisA little simple introduction of two kinds of hash table, so that nonsense said

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