List of shortcuts in Delphi (full version)

1.shift+ the left mouse button to select any control, select the form after pressing the button (the same as the ESC effect when the control is selected)2.shift+f8 the CPU window when debugging.3.SHIFT+F10 Equals right mouse button (Windows shortcut

Newton's iterative method to find the root of the equation

#include #include int main(){    double a,b,c,d,n,m,x,y;    while(scanf("%lf,%lf,%lf,%lf",&a,&b,&c,&d)!=EOF)    {        x=0;        m=a*x*x*x+b*x*x+c*x+d;        n=3*a*x*x+2*b*x+c;        y=x-m/n;        while(fabs(x-y)>=1e-5)         {        x=y; 

Programming Zhu Ji Nanxiong (continued) Reading notes-(third chapter of the Programmer's Confession)

Testing and commissioningTesting and debugging tools for small algorithms.Two-point SearchThe "black Box method" is an extreme test method: Because the internal structure of the program is completely unknown, the program is treated as a black box,

Leetcode#119pascal ' s Triangle II

Analysis, and 118 very similar, 118 need to require the entire pyramid list combination, the topic only need to give a layer of resultspublic class Solution {Public list getRow (int rowIndex) {List> x=new arraylist> ();if (rowindex{List y=new

Builder mode constructs reusable large set slicing cycle

Package com.qunar.piao.sight.common.util;import com.google.common.annotations.gwtcompatible;import  org.apache.xmlbeans.impl.xb.xsdschema.public;import java.util.collection;import java.util.list

I can only understand my own suffering.

It's May,The flash of time is gone,Near the job,Became disturbed,Think too much,The words are less,The eyes are more indifferent.I go to school late every night,The people around me are getting less,And I do the same thing again and again,Gradually

Hangzhou Electric 1040

As easy as A+bTime limit:2000/1000 MS (java/others) Memory limit:65536/32768 K (java/others)Total submission (s): 44723 Accepted Submission (s): 19105Problem Descriptionthese days, I am thinking on a question, how can I get a problem as easy as a+b?

Same Tree--leetcode

Given binary trees, write a function to check if they is equal or not.The binary trees is considered equal if they is structurally identical and the nodes has the same value.Basic ideas:Perform a recursive operation to determine if two trees are

LightOJ1265---Island of survival (probabilistic DP)

You were in a reality show, and the show is the-too real that they threw to an island. Only kinds of animals is in the island, the Tigers and the deer. Though unfortunate but the truth are, each day exactly and the animals meet each of the other. So,

Hdu 37,912 Fork Search Tree

Original title Link: http://acm.hust.edu.cn/vjudge/problem/viewProblem.action?id=20911The simple questions are as follows:1#include 2#include 3#include 4#include 5#include 6#include 7 usingstd::vector;8 Const intMax_n = -;9 structnode{Ten intv;

Add Picture Carousel

//when an object is created from Xib, it is called once, when the initialization is complete.-(void) awakefromnib{cgfloat Imageh=Self.scrollView.frame.size.height; CGFloat Imagew=Self.scrollView.frame.size.width; CGFloat Imagey=0; for(intI=0; i)

"Daily Learning", "Floyd transmission closure + high-precision" codevs1009 generating number

Title Description Description Gives an integer n (nRules:One number variable to another one number:The right part of the rule cannot be zero.For example: n=234. There are rules (k=2):2-> 53-> 6The integer 234 above can be transformed to produce an

Difference between a value type and a reference type

. NET types can be divided into two categories: value types and reference types.Common value types include structure, enumeration, integer, Float, Boolean, and so on, and all types defined in C # as the class keyword are reference types.Mainly lies

poj2912 (with right and check set)

Test instructionsThere are n individuals divided into 3 groups to play stone scissors cloth, the same group of people out are the same;Only one person is the referee, casually out;Find out which is to be sentenced, and judge in which innings to

Black and white images

#include #includestring.h>#defineMAX 1000+10CharMat[max][max], Vis[max][max];voidDfsintXintY//mat[][] Save image, 1 for black; vis[][] Mark whether you have visited this lattice{ if(!mat[x][y] | |Vis[x][y]) { return; } Vis[x][y]=1;//flag

BZOJ-2618 [CQOI2006] Convex polygon

Semi-planar cross-template problem.#include #include #include #include #include #include #define REP (i, L, R) for (int i=l; i0; return A.ang0;} int n, M, Cnt;int main () {n=read (); Rep (i, 1, n) {int k=read (); Rep (J, 1, K) p[j].x=read (),

BZOJ-1038 [ZJOI2008] Lookout tower

The first half-plane intersection, and then the tower of the place must be at the intersection of the half-plane crossing or at the intersection of the ground segment.#include #include #include #include #include #include #include #define REP (

"Chinese characters garbled" ie under Get form transfer Chinese characters.

Js:encodeuri ();Php:urlencode ();Example:Originally intended to use this[view jurisdictions dynamic] backstage: echo $plate =$_get[' plate '];//IE9 output results for garbled, Firefox and Google under normal.?>Use: UrlEncode "charset=" Utf-8 "target=

How does the Empire CMS column alias call?

We use the Imperial CMS to build a station often find the title of the column is not set, the column name is too long in the background to see the blurred, too short and not good optimization. Can you call the column alias directly? Column aliases

"Reprint" Uiscrollerview Rolling direction judgment

This article is reproduced from Awei "Uiscrollerview Rolling Direction judgment"PushListView.h@interface Pushlistview:uiview{CGFloat contentoffsety;CGFloat oldcontentoffsety;CGFloat

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