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1086 Tree Traversals Again (25分) An inorder binary tree traversal can be implemented in a non-recursive way with a stack. For example, suppose that when a 6-node binary tree (with the keys numbered from 1 to 6) is traversed, the stack operations are: push(1); push(2); push(3); pop(); pop(); push(4); pop(); pop(); push(5); push(6); pop(); pop(). Then a unique binary tree (shown in Figure 1) can be generated from this sequence of operations. Your task is to give the postorder traversal sequence of this tree. Figure 1 Input Specification: Each input file contains one test case. For each case, the

ACboy was kidnapped!! he miss his mother very much and is very scare now.You can't image how dark the room he was put into is, so poor :(. As a smart ACMer, you want to get ACboy out of the monster's labyrinth.But when you arrive at the gate of the maze, the monste say :" I have heard that you are very clever, but if can't solve my problems, you will die with ACboy." The problems of the monster is shown on the wall: Each problem's first line is a integer N(the number of commands), and a word "FIFO" or "FILO".(you are very happy because you know "FIFO" stands for "First In First Out", and "FILO

By admin on May 29, 2010 I have had a great opportunity and pleasure to use Sun's environment both hardware and software to run load tests on the Tigase server for a couple of last weeks. Sun also ofered me something more. Their knowledge and help during the tests allowed me to improve Tigase and fine tune the system to get the best results. I would like to say great thank you to Deepak Dhanukodi, ISV Engineering from Sun who was a huge help. Below is a description of the tests I run, environment and results I got. Summary I know summary should be at the end but I realize that many people may

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: In my application, I have applied following theme in my manifest file: android:theme="@android:style/Theme.NoTitleBar.Fullscreen" and it is working fine. But when I call someone from my app as per application requirement, and come back again in my application after call end, title bar appears in app again. I am not getting that what is the problem. Please help me out. I don't want a title bar in my application at all. 回答1: This looks like a known issue : Sounds like the following will fix it: getWindow().setFlags(WindowManager.LayoutParams

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I have a large config file (user) that i needed to go to the right location and have some default values. Since i have a installer class, i added some parameter setting to the config file in it, but created the config files in the installers folder. What is the best way to ensure these default parameters will be written only once, and in the right location? 回答1: A standard way of using defaults in the app.config. For example, here's a default value per version I use to ensure the code copies user settings between upgrades: <userSettings>

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: When I User Window.Location.reload(true) I am getting the popup message for each and every request. Could any body suggest me how to resolve this Issue? To display the webpage again, the web browser needs to resend the information 回答1: This is the result of sending data via an HTTP POST (which is most commonly done by submitting a form). You will either need to stop using a POST or perform an intermediary redirect to remove this message. 文章来源: To display the webpage again, the web browser needs to resend the information

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 由 翻译 强力驱动 问题: first of all, my background is: pretty large database (~100 tables with ~10-20 columns each) on MS SQL Server and it's always gonna be SQL Server and database first. i have some experience in WebForms and LINQ to SQL, but i'm sick of constructing forms for editing all that mentioned tables, so mvc 3 razor with it's Scaffolding just hypnotized me, and i'm dreaming of it generates all that forms for me but it comes out (or, maybe, i don't get something), that scaffolding works only for EF DbContext. for L2S it says 'unsupported

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I'm trying to filter one dataframe against another: scala> val df1 = sc.parallelize((1 to 100).map(a=>(s"user $a", a*0.123, a))).toDF("name", "score", "user_id") scala> val df2 = sc.parallelize(List(2,3,4,5,6)).toDF("valid_id") Now I want to filter df1 and get back a dataframe that contains all the rows in df1 where user_id is in df2("valid_id"). In other words, I want all the rows in df1 where the user_id is either 2,3,4,5 or 6 scala> df1.select("user_id").filter($"user_id" in df2("valid_id")) warning: there were 1 deprecation warning(s);

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I'm attempting to use a fetchedResultsController to handle the results in my UITable. It works initially when the program starts up. Then when I switch back to the inventory tab where my table is (for the viewToAppear again), this is when it crashes. I'm getting a runtime crash error in my viewWillAppear() method of the window which has the table. In particular it crashes on the Inventory+CoredataProperties.swift file on this line let characters = name!.characters.map { String($0) } , but I suspect the error is somewhere else as this works

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 由 翻译 强力驱动 问题: I've been desperately trying to install modules using node.js but it always fails getting packages with npm. I logged in as Administrator and used powershell/cmd with "run as administrator". I also had problems with the registry so I used npm set registry http://registry.npmjs.org/ I tried everything... it just drives me nuts. Here are the errors: npm ERR! Please try running this command again as root/Administrator. npm ERR ! System Windows_NT 6.2 . 9200 npm ERR ! command "C:\\Program Files\\nodejs\\\\node.exe" "C:\\Program Files\