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using System; using System.Collections.Generic; using System.Text; namespace ExSum { 　　class Sum 　　{ 　　　　public long sum(int num) 　　　　{ 　　　　　　long sum = 0; 　　　　　　for (int i = 1; i 　　　　　　{ 　　　　　　　　long f = 1; 　　　　　　　　//求i的i次方 　　　　　　　　for (int j = 1; j 　　　　　　　　{ 　　　　　　　　　　f *= i; 　　　　　　　　} 　　　　　　　　sum += f; 　　　　　　} 　　　　　　return sum; 　　　　} 　　　　static void Main(str

Again to brush face questions, haha.Requirements: Use for loop to print 1-10, each number appears at an interval of about 500ms.Analysis: Research points-closures, block-level scopesMode one, the use of closures + immediately execute the function, his thoughts at that time also think so, but the results do not reflect the interval 500msfor (var i = 1; i After mod

First, list your birthdays, like 1987 12 25. And then the addition of a bit 1+9+8+7+1+2+2+5=35 We'll split the numbers and add 3+5=8. The number 8 is the final result, if more than 10 of the words are split and then add 1 kidney

activated to avoid such menial work.2.properties garbled problem. By default, the. properties file is iso-8859-1 encoded. Input Chinese, either garbled, or by eclipse into the corresponding UTF-8 characters, and then normal display. Now there is a problem, want to add Chinese annotation in proerties, "#这是个路径", where "this is the path" will be turned into "#aaaa" this code. The problem is that the "#aaaa"

Copy Code code as follows: protected void Page_Load (object sender, EventArgs e) { Response.Write (String. Format (the number 1~10 sum equals {0}. ", Sum (1, 10). ToString ())); } private int Sum (int min, int max) { int s = 0; for (int i = min; I { s + = i; } return s; } Execution results: Th

the job's environment, which is the next step.# Default RunLevel. The runlevels used is:# 0-halt (do not set Initdefault to this) #关机# 1-single User mode# Single user mode# 2-multiuser, without NFS (the same as 3, if you don't have networking) multi-user mode no NFS network support# 3-full multiuser mode# Multi-user mode with network support# 4 Unused #保留未用# 5-x11## X-window Mode# 6-reboot (do not set Init

original white space is now occupied by smaller, more complex projects, which are still conspicuous and readable, but are much finer than the tiles that occupy Windows 8. Blue seems to be the new favorite of Microsoft, which is the color theme they use at the conference, and it is also reflected in a number of newer icons. While this is reminiscent of Mac OS X, which also has a lot of blue icons, the difference between two systems is limited to that. In addition to color,

An important hash structure is provided in the nginx source code, which can bring us efficient kV search. The implementation of this hash is relatively simple, but it is very efficient. The hash structure is read-only and can only be queried after creation. The hash struct is hard to understand at first, and it is uncomfortable to use. It requires several structs and several functions to complete initialization and search. In this article, we will not

machines do each other, the final step is to confirm whether the success (not the password indicates success)./usr/bin/ssh-keygen-d scp-p 8022/root/.ssh/id_dsa.pub 111.124.171.16:/root/.ssh/authorized_keys ssh-p 802 2 [email protected] Ifconfig3. Modify the Yum sourceWget-o/etc/yum.repos.d/centos-base.repo Http://mirrors.163.com/.help/CentOS6-Base-163.repo wget-o/etc/ Yum.repos.d/centos-base.repo Http://mirrors.aliyun.com/repo/Centos-6.repo yum clean

for large chunks of data . The b-tree algorithm reduces the intermediate process that is experienced when locating records, thus speeding up the access speed. Widely used in databases and file systems . ”DefinedA B-tree can be seen as an extension of the 2-3 lookup tree, that is, he allows each node to have M-1 child nodes. Root node has at least two child nodes Each node has a M-

accelerometer and a steering gear. 3D scanning can be implemented. The general scope of work is: 3.5 m to M. If scanning is too close, the black spots are displayed. If scanning is too far away, the scanning accuracy is reduced, and it looks like a plane object. The feature of Kinect: 1.640x480 RGB Images. 2.640x480. 3.11bit depth graph. 4. gesture tracking and skeleton tracking. The driver framework of Kinect: libfreenect driver of openkinect; openni and Nite of primesense, which access the da

Tag:osar use NBSP;NBSP;NBSP;JAVANBSP;NBSP;NBSP;SP　　2014bs work ef Today's work does not have anything to do, opened on the table has been a long time Java crazy handouts to see a look, alas, really embarrassed to say that they are learning programming, record points, accumulate points, do not want to become a great God, hope that the work should not be illiterate. 1, Chang: String a= "Java"; Java "is placed in a constant pool. and placed in new st

directory, you can also read the ". Exrc" file in the current directory so that you can set different options under different directories. but before VI reads the ". EXRC" file in the current directory, you first need to set the EXRC option in the ". Exrc" file in your home directory, which is set EXRC. You can also save the option settings to a file other than ". EXRC" and use the ": So" command to read in (so is the abbreviation for source).Some useful options: There are many options that can

1. Installation PrerequisitesFirst make sure that your computer is not installed before, or that it has been installed and uninstalled. As for how to check if uninstall clean can look at the Oracle Uninstall step behind me. 2. Oraclethe installation. 2.1, first oneself inOracleofficial web surface downloadoracle10g2.2, open the file directory to start the installation,here are the steps to install graphics.

Thomas Boutell and numerous developers have created a graphic software library known as the GD Graphics library for dynamic graphical computing. GD provides support for many programming languages such as C, Perl, Python, PHP, OCaml, and so on. In addition to generating HTML output, you can use PHP to create and compute graphics files in a number of graphic file formats such as PNG, JPEG, GIF, WBMP, and xpm. Also, the use of PHP allows you to output image streams directly to a browser. To do this

Create directory: mkdir directory nameCreate file: Vim file name and write file content Touch file nameView File: Cat file nameView Directory: CD directory ll directory under file or directory details ls display directory under file nameDelete file contents: Cat > File nameWrite file content: Vim file nameRename a file or directory: MV file or directory nameDelete a file or directory: RM-RF file or directory nameChange file or directory permissions: chmod permissions digital file or directory na

/httpd.conf)404 page does not exist 11.21 Apache Access Log• Access logs record each user's request[Email protected] ~]# cat/usr/local/apache2.4/logs/111.com-access_log abc.com-access_log access_log httpd.pid 111.com-error_log abc.com-error_log error_log[[email protected] ~]# Cat/usr/local/apache2.4/logs/111.com-access_log(Get is not add-i)• Define the format:[[email protected] ~]# vim/usr/local/apache2.4/conf/httpd.conf search LogformatReferer, the web address that the browser visi

, can be changed according to actual needs, of course, can also be omitted).3, Ctrl+enter Fill.Enter the check mark or the wrong number with the box quickly.Method:1. Set the font of the target cell to: Wingdings 2.2. Enter the uppercase R or S (R is the checkmark, S is the wrong number).Seven, quickly generate drop-down menu.Method:Press alt+↓ (down arrow) in the target cell.Interpretation:This method is only used for a quick fill of a simple drop-do

/dev/null --dbpath /var/mongodb/10003 --port 10003 --nohttpinterface --replSet set1forked process: 5000all output going to: /dev/null $ ./mongo --port 10001MongoDB shell version: 1.6.2connecting to: 127.0.0.1:10001/test> cfg = { _id:'set1', members:[... { _id:0, host:'192.168.1.202:10001' },... { _id:1, host:'192.168.1.202:10002' },... { _id:2, host:'192.168.1.202:10003' }... ]};> rs.initiate(cfg){

Today, when it comes to the question of string conversion to int, the conversion problem of signed number, we find that we need to look back into the problem of the system. Find some information, think can also, borrow a paragraph here and prepare to check.16 binary: Use 16 as the base counting system. 10 to 15 are represented by the number 0-9 and the letter a-f (or its uppercase a-f).Hexadecimal number converted to decimal number2 binary, with two A