EBS-DBA Maintenance

Query table Space usage:Select UPPER (f.tablespace_name) "Table space name",D.TOT_GROOTTE_MB "Table space size (M)",D.tot_grootte_mb-f.total_bytes "used Space (M)",To_char (ROUND ((d.tot_grootte_mb-f.total_bytes)/d.tot_grootte_mb * 100,2), ' 990.99 '

Download functionality after spring MVC configuration is complete

Implementation is front desk:[HTML]View Plaincopy language="java" contenttype="text/html; Charset=utf-8 " pageencoding="UTF-8"%> > html> head> Meta http-equiv= "content-type" content= "text/html; Charset=utf-8 "> script

Prime Sieve algorithm

DescribeNow give you a positive integer n, want you to quickly find out in 2 ... N These numbers inside all the primes.InputGive a positive integer number N (nBut n is 0 o'clock to end the program.No more than 100 test data setsOutputOutputs all

Sorting algorithm heap sorting (heapsort) parsing

I. Advantages and disadvantages of heap sequencing (pros and cons)(or simply say this, after all, there is no need to waste time to understand a bad algorithm)Advantages: The efficiency of heap sequencing is the same as that of fast row and

Han Xin Soldiers of algorithm

DescribeLegend has it that Han Xin intelligence, never directly counted the number of their troops, as long as the soldiers have a row of three people, five people a row, seven people a row to change formation, and he only one eye at a time the team'

Two implementation methods of fast algorithm

Today debugging the code of the fast algorithm, of course, such a lot of code on the Internet, but this is a little bit of their own writing, the middle of the error points are appearing and debugging out. Keep the later to review their own

The 3N + 1 problem

Problem description Problems in computer science are often classified as belonging to a certain class of problems (e.g ., NP, unsolvable, recursive ). in this problem you will be analyzing a property of an algorithm whose classification is not known

Pascal's triangle II

Given an indexK, ReturnKTh row of the Pascal's triangle. For example, givenK= 3,Return[1,3,3,1]. Note:Cocould you optimize your algorithm to use onlyO(K) Extra space? First, let's familiarize ourselves with the characteristics of the Yang Hui

Prism4 translation Chapter 1

Prism provides a Wizard Design to help you design and build a rich, flexible, and easy-to-maintain WPF application. Use design patterns to reflect important system design principles. For example, with separation of focus and loose coupling, Prism

Common settings of powerdesigner

It is really convenient to use powerdesigner for database design. The following are some common settings: Additional: the toolbar is missing. The palette (palette) shortcut toolbar is missing The powerdesigner shortcut toolbar palette is gone. How

Minimum Public multiple

Problem description Given two positive integers, calculate the minimum public multiples of these two numbers.   Input The input contains multiple groups of test data. Each group has only one row, including two positive integers not greater than 1000.

Listview item Animation

Http://blog.csdn.net/lixiaodaoaaa/article/details/8284246   First, let's look at the implementation results as follows: The demo effect is as follows: The above list shows that the gridview can be loaded one by one only when an animation is added to

How do I know whether an activity is on the frontend?

Link: http://zengrong.net/post/1680.htm An Android app contains a background program that regularly connects to the server to push custom information. However, when the application is in the foreground, there is no need for the background program

Automatic image playback at regular intervals

timed automatic playback of images Automatic image playback at regular intervals

Prime Number Determination

Problem description For the expression n ^ 2 + N + 41, when n is in the range of (x, y), an integer (including X and Y) is obtained) (-39   Input There are multiple groups of input data. Each group occupies one row and consists of two integers x

Plan * Summary * Small comments

Plan November 2014 To do good, you must first sharpen your tools. I want to freely write automated scripts, framework or something. Of course, I want to learn a handy language first. Here I choose python as the Getting Started language. Prepare

Pprof view goroutine

package mainimport ( "net/http" "runtime/pprof")var quit chan struct{} = make(chan struct{})func f() {   In the above example, we started 10000 goroutines and blocked them. Then, by accessing http: // localhost: 11181/, we can get the

Notes for week 2

Labels: Program js c # simple c ld structure note Basics The third and fourth sessions of training were held last week. The main content is a simple entry to JS and C. The JS class is actually quite basic. Because those syntaxes are actually

Ball Size Calculation

Problem description Calculates the volume of the Ball Based on the input radius value.   Input There are multiple groups of input data. Each group occupies one row. Each row contains a real number, indicating the radius of the ball.   Output

Eddy's mistakes

Problem description Eddy usually writes articles, but he likes mixing the English letter uses, for example "Computer Science" is written frequently "Computer Science" by him, this mistakes lets Eddy's English teacher be extremely discontentment. now

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