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Physical backup (copy files)#!/bin/shdate= ' date +%y%m%d ' del_date=$ (date -d  ' -30 days '   "+%y%m%d") HOST= 10.10.17.27port=27000user=adminpassword=123456data_dir= "/data/mongodb/navy_db/db" BACKUP_PATH= "/data/ mongodbbackup/$DATE

The critical code snippet, also called the critical section, works in the user mode, which refers to a small piece of code that must monopolize access to certain resources before the code can execute.critical_section type structural body.Related

Git does not have a particularly good graphical interface support, there is a scene in the work: in the local modification accumulated n commit, ready to push before you want to confirm the correct no, so you want to compare the difference between

network flow is really profoundTest instructionsIn a maze, a new batch of small lizards. However, for some reason, the export was sealed, and the maze ignited a fire, now the small lizards are anxious to leave, want to resort to Acmer, haha ...The

Error-Line Simplification formula:D (n) = [n!/e+0.5] where E is the base of the natural logarithm, [x] is the integer part of X#include #include #include #include using namespace std; Const double E=EXP (1);//E 1-Time Square int main () {

DescriptionAs Harry Potter series is over, and Harry has no job. Since he wants to make quick money, (he wants everything quick!) so he decided to rob banks. He wants to make a calculated risk, and grab as much money as possible. But he

Learning Tags: ViewState This article reading: In the Web Form control is set to runat = "server", this control is appended with a hidden property _viewstate,_viewstate holds the state value of all controls in ViewState. ViewState is a collection of

Title Link: http://acm.hdu.edu.cn/showproblem.php?pid=5115Test instructionsThere are n wolves, each wolf has two kinds of properties, a kind of attack value, we did not kill a wolf, then we received the damage value of the wolf's attack value with

DescriptionThere is a hill with n holes around. The holes is signed from 0 to N-1. A Rabbit must hide in one of the holes. A Wolf searches the rabbit in anticlockwise order. The first hole he get into was the one signed with 0. Then he'll get

Submit StatusDescriptionSometimes some mathematical results is hard to believe. One of the common problems is the birthday paradox. Suppose you is in a party where there is people including you. What's the probability that at least and the party

Basic concepts of a hash tableA hash table, also known as a hash table, is designed based on a fast-access perspective and is a typical "space-for-time" approach. A hash table is a generalization of an ordinary array, because the array can be

Original title Link: http://poj.org/problem?id=2253Frogger Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 30637 Accepted: 9883 DescriptionFreddy Frog is sitting on a stone

Package Com.leegh.dataset/*** @author Guohui Li*/Object List_highorder_function_ops {def main (args:array[string]): Unit = {println (List (1, 2, 3, 4, 6) Map (_ + 1))Val data = List ("Scala", "Hadoop", "Spark")println (Data Map (_.length ()))println

Turtle and Rabbit raceIt is said that in a long time ago, poor rabbit experienced the biggest blow in life-the race lost to the turtle, the heart depressed, vowed to avenge, so hid in the Hangzhou Xiasha Agricultural Park hardships painstaking

There are two kinds of things related to StatusBar and Navigationbar, one is to control their display and concealment, and the other is to control their transparency or background. In the 2.3 and before, StatusBar can only be shown and hidden, that

Data structure of the Clue two fork treeenum PointerTag//枚举{ Link,Thread//Link(0):指针;thread(1)：线索};struct BiThrNode{ TElemType data;//结点的值 BiThrNode * lchild, *rchild;//左右孩子结点 2;//左标志，占2bit 2;//右标志，占2bit};typedef BiThrNode

1. Cut the shortest circuit, feel the information learned Orsay a black good poor qaq, but have to say Rujia code is very concise;2. Cut the minimum spanning tree and network flow initially, slightly difficult;3. Two graph and dinic and isap

1. pch File:PCH means "precompiled header", called Precompiled header file, Xcode6 after the PCH file needs to be added manually, PCH file generally put some basic unchanged code, such as some macro definitions so that the entire project can be used

constructor function @Query ("Select G from note g where id=?1" ) Note FindByID (Long ID); @Query ("select New Sample.jpa.domain.Note2 (c.id,c.title,c.body,d.id) from Note C,tag D where c.id=d.id") List findtagid ();@Entity Public

Today with canvas to create a drawing tool, very simple, not many functions, mainly have background grid, draw lines, draw a circle, draw rectangles and draw rounded rectangles, also used in the canvas of some basic knowledge, listed here.1. Drawing