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Java Learning Note One, the principle of strategic thinkingL Method: Rapid prototypingL Small goal: Find a PDF book quick to have a small item appearL Auxiliary: Time recording of each learning link.L Auxiliary: Music PassionL your login username in the blog Park is: Zajia with talk [email protected]LIi. WBS and timing Steps Scheduled time Actual time Build the Environment 2015/5/26 Pdf 2015-5-26

Dictionary sort1. Sort by key, forward sort1 Sorted (Dic.items (), key=Lambda d:d[0])2. Sort by value, reverse sortSorted (Dic.items (), key=Lambda d:d[1],reverse=true)3. After sorting the original Dictionay unchanged, if you want to use the post-order dictionary, you need to assign the sorted dictionary to the new variabledic=[('456', 90), ('123', 78), (' +', 10)]newdic=sorted (Dic.items (), key=LambdaD:d[1],reverse=True)Printnewdic[('456', 90), ('123', 78), (' +', 10)]Printdic{'123': 78,'456':

necessary cleanup before the garbage collector clears objects from memory. This method is called by the garbage collector to this object when it determines that the object is not referenced. It is defined in the object class, so all classes inherit it. Subclasses override the Finalize () method to organize system resources or to perform other cleanup work. The Finalize () method is called on the object before the object is deleted by the garbage collector.I hope that you will meet the face of t

standardized design integrates some well-known open source software and engines such as Open Scene Graph (OSG), Opendynamicsengine (ODE), Character Animation Library (Cal3d), and OpenAL. Delta3d by hiding these underlying modules together to form a more convenient library of advanced API functions, developers can use the underlying functions for two development when necessary. Delta3d in the software family, in the middle layer (middle layers) position.Advantages: Suitable for all kinds of 3D g

indents, other, arrangement and Android(+) YAMLDivided into: Tabs and indents(+) Other File Typeswelcome everyone, join my public number: Big Data lie over the pit ai lie in the pitAt the same time, you can follow my personal blog :http://www.cnblogs.com/zlslch/ and http://www.cnblogs.com/lchzls/ Http://www.cnblogs.com/sunn ydream/ For details, see: http://www.cnblogs.com/zlslch/p/7473861.htmlLife is short, I would like to share. This public number will uphold the old learning to learn the endl

: Exit Nautilus also has many shortcut keys that are consistent with Firefox. ===== Rhythmbox Audio player =====ctrl + space: Play/pause ALT + RIGHT ARROW: Next ALT + LEFT ARROW: Previous CTRL + UPPER ARROW key: Increase volume CTRL + LOWER ARROW key: Decrease Volume CTRL + U: Random Play CT RL + R: Repeat Ctrl + Q: Exit ===== Terminal Terminal =====ctrl + ALT + T: Open terminal tab: Auto-complete command or file name CTRL + SHIFT + V: Paste (no action required to copy in Linux, text selected au

object. resultset contains all rows that conform to the conditions in the SQL statement, and it provides access to the data in those rows through a set of Get methods. gets data using the access method of the result set (ResultSet) object: while (Rs.next ()) { String name = rs.getstring ("name"); String pass = rs.getstring (1); This method is efficient (columns are numbered from left to right and starting with column 1) } Step-7 Close the JDBC ObjectAfter the operation is c

1 BIOS time and system time issuesAfter installing CentOS, the system time is CST time, and the BIOS time is UTC time, so the system time will be 8 hours faster than the BIOS time. If you set the BIOS to boot automatically, it will always be a 8-hour gap. Need to be confused, it must be your two time inconsistency caused. Refer to Network settings after using the same time, remember to always synchronize time, and then customize the BIOS boot. With/etc/localtime,clock=hwclock,date–u,timedatectl.

: Queues (queue)Author:C Small plusTree:Basic Data structure: TreeAuthor:C Small plustwo fork tree:Basic data structure: two binary treeAuthor:C Small plusTwo fork Find tree:Write step-by-step two-fork search treeAuthor:C Small plus and check set: and search set--Learn detailed yx_th000Hash Table: Hash tableHunting Jaybinary Search: Find (ii): Two-point find XiaosuoHuffman Tree:Huffman TreeAngleBalanced binary tree: Balanced binary tree (FAQ) nevertree-like array:Tree-like array summaryPanda Y

://leetcode.com/problems/longest-substring-without-repeating-characters/, the main idea is to find a string of non-repetition of the eldest son string.This is relatively simple, the key point is to determine the repetition, from the next index of repeated characters continue to start, do not miss.The code is as follows:public class Solution3 {public static int lengthoflongestsubstring (String s) {int len = s.length (); if (len==0) {return 0; } string string = null; String su

Firacode-regular_01.ttf).Note that if you open the "Fonts" browser in Control Panel, you cannot see those hidden files.I won't write the way I see it in CMD. Bloggers Use the Cmder to view the Bash method, see this article cmder using the Linux bash pipeline character | grep to filter the files.Then under the C:\Windows\Fonts path rm-f fira*.* to kill all the FC fonts, and re-hit the latest version.Then, if you are prompted to delete, the file is in use. You can use Unlocker to unlock:1. Instal

　WPS2016 updated those features Jinshan WPS2016 new features at a glance Highlight one: Exquisite visual beauty New to the redesigned graphics engine in WPS Office 2016 can show more beautiful chart style, add "WYSIWYG" in the document function, can make creation more intuitive, add a more soft and rich 2D, 3D effect, give the document element more lively display effect. 　　Highlight two: Detail property promotion To provide a sophisticated user ex

Excel camera function Speaking of screenshots, everyone's reaction may first be printscreen, but in Excel, there are similar functions, and the truncated objects will change as the data changes. First, select Tools-Custom options, and in the pop-up dialog box, select the command options. In the category bar on the left, select the tool, and then in the command bar on the right, locate the camera. Computer Tutorials Drag the camera option, do not release the mouse, un

How is the Win8.1 system software updated? Win8.1 the previous WIN8 system version has only one software update, that is, go into the WIN8 application store, then find the application we have installed, then click on the reminder number to update the software manually. However, the latest Win8.1 can be set up to update the application automatically, in addition to manual updates, by: Also open the Win8.1 application store, and then pu

After replacing the memory strip, the ESCD data does not start properly even if it is updated. The first option in the CMOS setup for PNP/PCI configurations is reset Configuration Data, disable and enable two options, and normal opening is the Disable option. At ordinary times we are in the installation and maintenance, generally do not pay attention to the role of this, and some computers if the department of this operation, when changed the hardwar

the code to the ~/.VIMRC file, re-enter: Vim, and then enter::P lugininstall wait for the installation is good (probably longer)Nerdtree:Just the plugin part has been installed, the direct input configuration is goodTaglist:This section needs to download a Taglist.vim file to the TagList website and put it into the ~/.vim/plugin folder (no new). The above configuration is then entered into the. VIMRCCtagsThis is done directly by typing: apt-get install CATGS, then configure it.Finally say compl

implement Leetcode in turn, the answer is on your github, you can jump by clicking on the title. In the logical aspect, is oneself the biggest short board, therefore in does the algorithm question inevitably is not the optimal answer, first solved to optimize again. Start with the simple first ...　　Array**Two sum of the numbers　　　　**repeating items in a sorted array　　　　**duplicate elements present　　　　**flipping an array　　String 　　　　 **Flip String　　　　**number of Inverse regularization　　　　**Simpl

, each step finds the target element in the index, and if not, the current element is indexed and iterated to the next stepCompare 1, 2, 3 methods,1 Method time complexity is O (n*n), minimum efficiency,2, 3 Methods The overall time complexity is O (N), the difference is that the 2 method is to set up a complete index at the beginning, and the 3 method is the iterative process of gradually indexingIn the pessimistic case, the 2, 3 method efficiency is the sameIn optimistic situations, the 3 meth

Forumhttp://www.golangtc.com/ Getting Started Tutorial: http://tour.golangtc.com/ http://www.golang-book.com/ Development tool ConfigurationSublimeHttp://www.cnblogs.com/sevenyuan/archive/2013/03/01/2938351.html Liteide:http://blog.csdn.net/qiurisuixiang/article/details/8728152 Codehttps://gobyexample.com/ Practicehttp://godaily.org/exercise/ Documenthttp://godoc.org/ Open Source BooksHttps://github.com/astaxie/build-web-application-with-golang Search Open Source Libraryhttp://go-search.org/ Go

connection:[y/n]")If mysql_prolist== "Y":F=open ("/python/mysqlconn.txt")U=f.readline ()Print UMysql_max_prolist=raw_input ("Check your mysql max_connection:[y/n]")If mysql_max_prolist== "Y":F1=open ("/python/mysqlconn.txt")U1=f.readlines ()For line in U1:Print LineIf choose== "3":Name=raw_input ("Please input your The Well update package: (. tar)"). Strip ()If Len (name) ==0:Print "Empty mysqluser,try again"ContinueElsePass# Os.system ("cd/python/%s"% (name))W=os.listdir ('/python/%s '% (name)