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  • for (Object object : list) [java] construction

    - by EugeneP
    My question, is, whether the sequence of elements picked from a list will always be the same, is this construction behaviour is deterministic for java "List"s - descendants of java.util.List 2) question, if I use for(Object o: list) construction and inside the loop's body increment a variable, will it be the index of list's elements? So, how it goes through list's elements, from 0 to size()-1 or chaotically? List.get(i) will always return this element? 3) question ( I suppose for the 2-nd question the answer will be negative, so:) for (int i=0; i < list.size(); i++) { } is the best way if I need to save the index of an element and later get it back from a list by its id?

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  • encapsulation in python list (want to use " instead of ')

    - by Codehai
    I have a list of users users["pirates"] and they're stored in the format ['pirate1','pirate2']. If I hand the list over to a def and query for it in MongoDB, it returns data based on the first index (e.g. pirate1) only. If I hand over a list in the format ["pirate1","pirate"], it returns data based on all the elements in the list. So I think there's something wrong with the encapsulation of the elements in the list. My question: can I change the encapsulation from ' to " without replacing every ' on every element with a loop manually? Short Example: aList = list() # get pirate Stuff # users["pirates"] is a list returned by a former query # so e.g. users["pirates"][0] may be peter without any quotes for pirate in users["pirates"]: aList.append(pirate) aVar = pirateDef(aList) print(aVar) the definition: def pirateDef(inputList = list()): # prepare query col = mongoConnect().MYCOL # query for pirates Arrrr pirates = col.find({ "_id" : {"$in" : inputList}} ).sort("_id",1).limit(50) # loop over users userList = list() for person in pirates: # do stuff that has nothing to do with the problem # append user to userlist userList.append(person) return userList If the given list has ' encapsulation it returns: 'pirates': [{'pirate': 'Arrr', '_id': 'blabla'}] If capsulated with " it returns: 'pirates' : [{'_id': 'blabla', 'pirate' : 'Arrr'}, {'_id': 'blabla2', 'pirate' : 'cheers'}] EDIT: I tried figuring out, that the problem has to be in the MongoDB query. The list is handed over to the Def correctly, but after querying pirates only consists of 1 element... Thanks for helping me Codehai

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  • List of Lists of different types

    - by themarshal
    One of the data structures in my current project requires that I store lists of various types (String, int, float, etc.). I need to be able to dynamically store any number of lists without knowing what types they'll be. I tried storing each list as an object, but I ran into problems trying to cast back into the appropriate type (it kept recognizing everything as a List<String>). For example: List<object> myLists = new List<object>(); public static void Main(string args[]) { // Create some lists... // Populate the lists... // Add the lists to myLists... for (int i = 0; i < myLists.Count; i++) { Console.WriteLine("{0} elements in list {1}", GetNumElements(i), i); } } public int GetNumElements(int index) { object o = myLists[index]; if (o is List<int>) return (o as List<int>).Count; if (o is List<String>) // <-- Always true!? return (o as List<String>).Count; // <-- Returning 0 for non-String Lists return -1; } Am I doing something incorrectly? Is there a better way to store a list of lists of various types, or is there a better way to determine if something is a list of a certain type?

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  • PC Safari Dropdown Site List

    - by ikurtz
    please excuse me if this is too easy and i just havent looked in the right places. the issue is this: when i use safari, i havent found a drop down list like you have on IE addresbar. in IE you can dropdown this list and choose sites. in Safari i havent found such dropdown list. is it avaliable? how do i enable it? thanks.

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  • Team Foundation Server 2012 Build Global List Problems

    - by Bob Hardister
    My experience with the upgrade and use of TFS 2012 has been very positive. I did come across a couple of issues recently that tripped things up for a while. ISSUE 1 The first issue is that 2012 prior to Update 1 published an invalid build list item value to the collection global list. In 2010, the build global list, list item value syntax is an underscore between the build definition and the build number. In the 2012 RTM this underscore was replaced with a backslash, which is invalid.  Specifically, an upload of the global list fails when the backslash is followed at some point by a period. The error when using the API is: <detail ExceptionMessage="TF26204: The account you entered is not recognized. Contact your Team Foundation Server administrator to add your account." BaseExceptionName="Microsoft.TeamFoundation.WorkItemTracking.Server.ValidationException"><details id="600019" http://schemas.microsoft.com/TeamFoundation/2005/06/WorkItemTracking/faultdetail/03"http://schemas.microsoft.com/TeamFoundation/2005/06/WorkItemTracking/faultdetail/03" /></detail> when uploading the global list via the process editor the error is: This issue is corrected in Update1 as the backslash is changed to a forward slash. ISSUE 2 The second issue is that when upgrading from 2010 to 2012, the builds in 2010 are not published to the 2012 global list.  After the upgrade the 2012 global lists doesn’t have any builds and only builds run in 2012 are published to the global list. This was reported to the MSDN forums and Connect. To correct this I wrote a utility to pull all the builds and recreate the builds global list for each project in each collection.  This is a console application with a program.cs, a globallists.cs and a app.config (not published here). The utility connects to TFS 2012, loops through the collections or a target collection as specified in the app.config. Then loops through the projects, the build definitions, and builds.  It creates a global list for each project if that project has at least one build. Then it imports the new list to TFS.  Here’s the code for program and globalists classes. Program.CS using System; using System.Collections.Generic; using System.Linq; using System.Text; using Microsoft.TeamFoundation.Framework.Client; using Microsoft.TeamFoundation.Framework.Common; using Microsoft.TeamFoundation.Client; using Microsoft.TeamFoundation.Server; using System.IO; using System.Xml; using Microsoft.TeamFoundation.WorkItemTracking.Client; using System.Diagnostics; using Utilities; using System.Configuration; namespace TFSProjectUpdater_CLC { class Program { static void Main(string[] args) { DateTime temp_d = System.DateTime.Now; string logName = temp_d.ToShortDateString(); logName = logName.Replace("/", "_"); logName = logName + "_" + temp_d.TimeOfDay; logName = logName.Replace(":", "."); logName = "TFSGlobalListBuildsUpdater_" + logName + ".log"; Trace.Listeners.Add(new TextWriterTraceListener(Path.Combine(ConfigurationManager.AppSettings["logLocation"], logName))); Trace.AutoFlush = true; Trace.WriteLine("Start:" + DateTime.Now.ToString()); Console.WriteLine("Start:" + DateTime.Now.ToString()); string tfsServer = ConfigurationManager.AppSettings["TargetTFS"].ToString(); GlobalLists gl = new GlobalLists(); //replace this with the URL to your TFS instance. Uri tfsUri = new Uri("https://" + tfsServer + "/tfs"); //bool foundLite = false; TfsConfigurationServer config = new TfsConfigurationServer(tfsUri, new UICredentialsProvider()); config.EnsureAuthenticated(); ITeamProjectCollectionService collectionService = config.GetService<ITeamProjectCollectionService>(); IList<TeamProjectCollection> collections = collectionService.GetCollections().OrderBy(collection => collection.Name.ToString()).ToList(); //target Collection string targetCollection = ConfigurationManager.AppSettings["targetCollection"]; foreach (TeamProjectCollection coll in collections) { if (targetCollection.Equals(string.Empty)) { if (!coll.Name.Equals("TFS Archive") && !coll.Name.Equals("DefaultCol") && !coll.Name.Equals("Team Project Template Gallery")) { doWork(coll, tfsServer); } } else { if (coll.Name.Equals(targetCollection)) { doWork(coll, tfsServer); } } } Trace.WriteLine("Finished:" + DateTime.Now.ToString()); Console.WriteLine("Finished:" + DateTime.Now.ToString()); if (System.Diagnostics.Debugger.IsAttached) { Console.WriteLine("\nHit any key to exit..."); Console.ReadKey(); } Trace.Close(); } static void doWork(TeamProjectCollection coll, string tfsServer) { GlobalLists gl = new GlobalLists(); //target Collection string targetProject = ConfigurationManager.AppSettings["targetProject"]; Trace.WriteLine("Collection: " + coll.Name); Uri u = new Uri("https://" + tfsServer + "/tfs/" + coll.Name.ToString()); TfsTeamProjectCollection c = TfsTeamProjectCollectionFactory.GetTeamProjectCollection(u); ICommonStructureService icss = c.GetService<ICommonStructureService>(); try { Trace.WriteLine("\tChecking Collection Global Lists."); gl.RebuildBuildGlobalLists(c); } catch (Exception ex) { Console.WriteLine("Exception! :" + coll.Name); } } } } GlobalLists.CS using System; using System.Collections.Generic; using System.Linq; using System.Text; using Microsoft.TeamFoundation.Client; using Microsoft.TeamFoundation.Framework.Client; using Microsoft.TeamFoundation.Framework.Common; using Microsoft.TeamFoundation.Server; using Microsoft.TeamFoundation.WorkItemTracking.Client; using Microsoft.TeamFoundation.Build.Client; using System.Configuration; using System.Xml; using System.Xml.Linq; using System.Diagnostics; namespace Utilities { public class GlobalLists { string GL_NewList = @"<gl:GLOBALLISTS xmlns:gl=""http://schemas.microsoft.com/VisualStudio/2005/workitemtracking/globallists""> <GLOBALLIST> </GLOBALLIST> </gl:GLOBALLISTS>"; public void RebuildBuildGlobalLists(TfsTeamProjectCollection _tfs) { WorkItemStore wis = new WorkItemStore(_tfs); //export the current globals lists file for the collection to save as a backup XmlDocument globalListsFile = wis.ExportGlobalLists(); globalListsFile.Save(@"c:\temp\" + _tfs.Name.Replace("\\", "_") + "_backupGlobalList.xml"); LogExportCurrentCollectionGlobalListsAsBackup(_tfs); //Build a new global build list from each build definition within each team project IBuildServer buildServer = _tfs.GetService<IBuildServer>(); foreach (Project p in wis.Projects) { XmlDocument newProjectGlobalList = new XmlDocument(); newProjectGlobalList.LoadXml(GL_NewList); LogInstanciateNewProjectBuildGlobalList(_tfs, p); BuildNewProjectBuildGlobalList(_tfs, wis, newProjectGlobalList, buildServer, p); LogEndOfProject(_tfs, p); } } // Private Methods private static void BuildNewProjectBuildGlobalList(TfsTeamProjectCollection _tfs, WorkItemStore wis, XmlDocument newProjectGlobalList, IBuildServer buildServer, Project p) { //locate the template node XmlNamespaceManager nsmgr = new XmlNamespaceManager(newProjectGlobalList.NameTable); nsmgr.AddNamespace("gl", "http://schemas.microsoft.com/VisualStudio/2005/workitemtracking/globallists"); XmlNode node = newProjectGlobalList.SelectSingleNode("//gl:GLOBALLISTS/GLOBALLIST", nsmgr); LogLocatedGlobalListNode(_tfs, p); //add the name attribute for the project build global list XmlElement buildListNode = (XmlElement)node; buildListNode.SetAttribute("name", "Builds - " + p.Name); LogAddedBuildNodeName(_tfs, p); //add new builds to the team project build global list bool buildsExist = false; if (AddNewBuilds(_tfs, newProjectGlobalList, buildServer, p, node, buildsExist)) { //import the new build global list for each project that has builds newProjectGlobalList.Save(@"c:\temp\" + _tfs.Name.Replace("\\", "_") + "_" + p.Name + "_" + "newGlobalList.xml"); //write out temp copy of the global list file to be imported LogImportReady(_tfs, p); wis.ImportGlobalLists(newProjectGlobalList.InnerXml); LogImportComplete(_tfs, p); } } private static bool AddNewBuilds(TfsTeamProjectCollection _tfs, XmlDocument newProjectGlobalList, IBuildServer buildServer, Project p, XmlNode node, bool buildsExist) { var buildDefinitions = buildServer.QueryBuildDefinitions(p.Name); foreach (var buildDefinition in buildDefinitions) { var builds = buildDefinition.QueryBuilds(); foreach (var build in builds) { //insert the builds into the current build list node in the correct 2012 format buildsExist = true; XmlElement listItem = newProjectGlobalList.CreateElement("LISTITEM"); listItem.SetAttribute("value", buildDefinition.Name + "/" + build.BuildNumber.ToString().Replace(buildDefinition.Name + "_", "")); node.AppendChild(listItem); } } if (buildsExist) LogBuildListCreated(_tfs, p); else LogNoBuildsInProject(_tfs, p); return buildsExist; } // Logging Methods private static void LogExportCurrentCollectionGlobalListsAsBackup(TfsTeamProjectCollection _tfs) { Trace.WriteLine("\tExported Global List for " + _tfs.Name + " collection."); Console.WriteLine("\tExported Global List for " + _tfs.Name + " collection."); } private void LogInstanciateNewProjectBuildGlobalList(TfsTeamProjectCollection _tfs, Project p) { Trace.WriteLine("\t\tInstanciated the new build global list for project " + p.Name + " in the " + _tfs.Name + " collection."); Console.WriteLine("\t\tInstanciated the new build global list for project \n\t\t\t" + p.Name + " in the \n\t\t\t" + _tfs.Name + " collection."); } private static void LogLocatedGlobalListNode(TfsTeamProjectCollection _tfs, Project p) { Trace.WriteLine("\t\tLocated the build global list node for project " + p.Name + " in the " + _tfs.Name + " collection."); Console.WriteLine("\t\tLocated the build global list node for project \n\t\t\t" + p.Name + " in the \n\t\t\t" + _tfs.Name + " collection."); } private static void LogAddedBuildNodeName(TfsTeamProjectCollection _tfs, Project p) { Trace.WriteLine("\t\tAdded the name attribute to the build global list for project " + p.Name + " in the " + _tfs.Name + " collection."); Console.WriteLine("\t\tAdded the name attribute to the build global list for project \n\t\t\t" + p.Name + " in the \n\t\t\t" + _tfs.Name + " collection."); } private static void LogBuildListCreated(TfsTeamProjectCollection _tfs, Project p) { Trace.WriteLine("\t\tAdded all builds into the " + "Builds - " + p.Name + " list in the " + _tfs.Name + " collection."); Console.WriteLine("\t\tAdded all builds into the " + "Builds - \n\t\t\t" + p.Name + " list in the \n\t\t\t" + _tfs.Name + " collection."); } private static void LogNoBuildsInProject(TfsTeamProjectCollection _tfs, Project p) { Trace.WriteLine("\t\tNo builds found for project " + p.Name + " in the " + _tfs.Name + " collection."); Console.WriteLine("\t\tNo builds found for project " + p.Name + " \n\t\t\tin the " + _tfs.Name + " collection."); } private void LogEndOfProject(TfsTeamProjectCollection _tfs, Project p) { Trace.WriteLine("\t\tEND OF PROJECT " + p.Name); Trace.WriteLine(" "); Console.WriteLine("\t\tEND OF PROJECT " + p.Name); Console.WriteLine(); } private static void LogImportReady(TfsTeamProjectCollection _tfs, Project p) { Trace.WriteLine("\t\tReady to import the build global list for project " + p.Name + " to the " + _tfs.Name + " collection."); Console.WriteLine("\t\tReady to import the build global list for project \n\t\t\t" + p.Name + " to the \n\t\t\t" + _tfs.Name + " collection."); } private static void LogImportComplete(TfsTeamProjectCollection _tfs, Project p) { Trace.WriteLine("\t\tImport of the build global list for project " + p.Name + " to the " + _tfs.Name + " collection completed."); Console.WriteLine("\t\tImport of the build global list for project \n\t\t\t" + p.Name + " to the \n\t\t\t" + _tfs.Name + " collection completed."); } } }

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  • sifr menu list problems, height of object calculated wrong

    - by armyofda12mnkeys
    I am using Drupal and have sifr set on list items, and also a, a:hover are set via Drupal so that the links hover. I looked at the sifr3-rules.js file drupal's render module creates and it looks good. and in fact my other sifr items look fine... But the list item ones are goofing for some reason... There is extra space below the list, so if i have a list item, and inside of that, I have a unordered list with more list items, the Flash Object made in the 1st li (which will cover the rest of the sublist items too), is too bid so you see space under the children until the next parent li comes up. (so looks like extra bottom padding on that portion of the list in IE8... in FF almost similar but each subitem has space at bottom... with javascript turned off, you see the list items look fine by themselves).... Also if the parent list item is shorter than the sub list items text, the width for the flash object is set only as long as the first list item, and therefore cuts off the rest the sublist item's text. Any idea how to resolve any of these? Only unusual thing i see i am doing is setting forceSingleLine and preventWrap (which dont make a difference if taken off). ****Edit, I may just try to figure out how to get Drupal's menu-block module to output a around my hyperlinks in the list items... then i can target the div's with my rule (and the a,a:hover rules will apply), so each menu item gets its own sifr object instead of sifr3 trying to figure out how to do the lists and sublists. Very useful to me is anyone knows a way to target a hyperlink (<a> tag) and also allow a:hover rules. I know how to do it with pretend another tag that includes hyperlinks, like if i had <h2><a>sometitle</a></h2>, i could have a rule for h2, but then use the a, a:hover rules in the sifr3-rules.js file to target that. so i would need a way to target the hyperlink in the list, but also apply a :hover to it (not sure if this can be done since its not underneith for example the h2 tag).

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  • How to Implement Custom List View for the list Items in Android Application

    - by avadhani
    I had a problem with the list view having both parent list and the child list of the list activity(implemented through database query). I wish to show them differing their properties by changing the text style (parent list items are in bold, child list items are in normal style). The following is the code from which all the child and parent list items having the same style(bold): String sql = "SELECT Parentid,Childid,Name from (select com.Parentid, com.Childid, com.Name from table1 mem inner join table2 cd on mem.column1=cd.column1 inner join table3 com on com.childid = mem.childid where Parentid is NULL UNION SELECT com.Parentid, com.Childid,com.Name from table1 mem inner join table3 com on com.childid = mem.childid inner join table2 cd on mem.column1=cd.column1 where Parentid is NOT NULL) a group by Parentid, Childid;"; Cursor cdata = myDbHelper.getView(sql); and the List Adapter is: private static final String fields[] = {"Name"}; int[] names = new int[] {R.id.name}; SimpleCursorAdapter adapter2 = new SimpleCursorAdapter(this,R.layout.clientlist1, cdata, fields,names ); and the clientlist.xml is: <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="horizontal" android:layout_width="fill_parent" android:layout_height="fill_parent" android:id="@+id/MainLayout" android:padding="5px"> <TextView android:id="@+id/name" android:layout_alignParentRight="true" android:layout_width="fill_parent" android:layout_height="wrap_content" android:textSize="12sp" android:textColor="#104082" android:textStyle="bold" android:layout_weight="1" /> From this i am getting the list having the complete list having both parent and child list items in a single list view. I wish to differ in their text style(bold, normal) for parent and child items respectively. Please help me with the code/links. Thanks a lot in advance.

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  • Scheme Function to reverse elements of list of 2-list

    - by sudhirc
    This is an exercise from EOPL. Procedure (invert lst) takes lst which is a list of 2-lists and returns a list with each 2-list reversed. (define invert (lambda (lst) (cond((null? lst ) '()) ((= 2 (rtn-len (car lst))) ( cons(swap-elem (car lst)) (invert (cdr lst)))) ("List is not a 2-List")))) ;; Auxiliry Procedure swap-elements of 2 element list (define swap-elem (lambda (lst) (cons (car (cdr lst)) (car lst)))) ;; returns lengh of the list by calling (define rtn-len (lambda (lst) (calc-len lst 0))) ;; calculate length of the list (define calc-len (lambda (lst n) (if (null? lst) n (calc-len (cdr lst) (+ n 1))))) This seems to work however looks very verbose. Can this be shortened or written in more elegant way ? How I can halt the processing in any of the individual element is not a 2-list? At the moment execution proceed to next member and replacing current member with "List is not a 2-List" if current member is not a 2-list.

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  • linked list problem (with insert)

    - by JohnWong
    The problem appears with the insert function that I wrote. 3 conditions must work, I tested b/w 1 and 2, b/w 2 and 3 and as last element, they worked. But b/w 3 and 4, it did not work. It only display up to the new added record, and did not show the fourth element. Efficiency is not my concern here (not yet). Please guide me through this debug process. Thank you very much. #include<iostream> #include<string> using namespace std; struct List // we create a structure called List { string name; string tele; List *nextAddr; }; void populate(List *); void display(List *); void insert(List *); int main() { const int MAXINPUT = 3; char ans; List * data, * current, * point; // create two pointers data = new List; current = data; for (int i = 0; i < (MAXINPUT - 1); i++) { populate(current); current->nextAddr = new List; current = current->nextAddr; } // last record we want to do it sepeartely populate(current); current->nextAddr = NULL; cout << "The current list consists of the following data records: " << endl; display(data); // now ask whether user wants to insert new record or not cout << "Do you want to add a new record (Y/N)?"; cin >> ans; if (ans == 'Y' || ans == 'y') { /* To insert b/w first and second, use point as parameter between second and third uses point->nextAddr between third and fourth uses point->nextAddr->nextAddr and insert as last element, uses current instead */ point = data; insert(()); display(data); } return 0; } void populate(List *data) { cout << "Enter a name: "; cin >> data->name; cout << "Enter a phone number: "; cin >> data->tele; return; } void display(List *content) { while (content != NULL) { cout << content->name << " " << content->tele; content = content->nextAddr; cout << endl; // we skip to next line } return; } void insert(List *last) { List * temp = last->nextAddr; //save the next address to temp last->nextAddr = new List; // now modify the address pointed to new allocation last = last->nextAddr; populate(last); last->nextAddr = temp; // now link all three together, eg 1-NEW-2 return; }

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  • Control convention for circular movement?

    - by Christian
    I'm currently doing a kind of training project in Unity (still a beginner). It's supposed to be somewhat like Breakout, but instead of just going left and right I want the paddle to circle around the center point. This is all fine and dandy, but the problem I have is: how do you control this with a keyboard or gamepad? For touch and mouse control I could work around the problem by letting the paddle follow the cursor/finger, but with the other control methods I'm a bit stumped. With a keyboard for example, I could either make it so that the Left arrow always moves the paddle clockwise (it starts at the bottom of the circle), or I could link it to the actual direction - meaning that if the paddle is at the bottom, it goes left and up along the circle or, if it's in the upper hemisphere, it moves left and down, both times toward the outer left point of the circle. Both feel kind of weird. With the first one, it can be counter intuitive to press Left to move the paddle right when it's in the upper area, while in the second method you'd need to constantly switch buttons to keep moving. So, long story short: is there any kind of existing standard, convention or accepted example for this type of movement and the corresponding controls? I didn't really know what to google for (control conventions for circular movement was one of the searches I tried, but it didn't give me much), and I also didn't really find anything about this on here. If there is a Question that I simply didn't see, please excuse the duplicate.

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  • 11gR2 Agent ??

    - by Allen Gao
    ??:????oracle 11gR2 ???(Grid Infrastructure,????GI) ??? agent????,?? agent???,???agent??,??????????????:11.2.0.1??????    ?????10gR2 crs ????????????????10gR2 ??,crsd ??????????????????,crsd ?????racg??,??racg?????????,??racgvip ??????vip?????????,???racg??????????,????????????11gR2 GI??, agent ??????????GI??????????,?????agent ???????????,?????    ??????agent??????????1.????????daemon???agent ??????gipc, gpnp? ?ohasd ???orarootagent???2.Agent?????????,???HA(High Available)??.3.Ohasd ??????agent        cssdagent(??agent????“crsctl stat res –t –init” ????ora.cssd )        orarootagent        oraagent        cssdmonitor    Crsd ??????agent        orarootagent        Oraagent        ??????agent.??:??oracle?grid?????????oraagent??????????? oraagent_grid????ora.asm, oraagent_oracle??ora.<database_name>.db???     ?????agent?????????????,agent ????EP(Entry Point),??????????????       Start:????       Stop:????       Check:???????,???????????,?agent???GI,??????????       Clean:????,????????????????,???????failover?????       Abort:?????    ??????EP????,????????????,????????????????       ONLINE:????????online??       OFFLINE:????????offline?????offline??,?????planed offline ?unplaned offline?Planed offline??GI?????????offline??,??????GI?????(srvctl, crsctl)???????,????,GI?????????offline??,????????????GI???????,??planed offline???,??target????????offline??,????,??????target???offline???GI stacks,?????auto_start?????always,??,??????????(??target??,???auto_start?????,???oracle????Oracle Clusterware Administration and Deployment Guide 11g Release 2)???unplaned offline,?????GI???????,????sqlplus???????,??????,GI???????????offline??,???target?????online,??,???????GI???????,???????auto_start?????never?       UNKNOWN:??,?????unknown?????????,agent?????????check?       PARTIAL:??????,?????intermediate??? ??????agent?????????check,??????????       FAILED:???????????????,??????,agent?????clean EP,?????????????failover?restart???    ??,??????????????agent?????????????? Normal 0 7.8 ? 0 2 false false false EN-US ZH-CN X-NONE MicrosoftInternetExplorer4 DefSemiHidden="true" DefQFormat="false" DefPriority="99" LatentStyleCount="267" UnhideWhenUsed="false" QFormat="true" Name="Normal"/ UnhideWhenUsed="false" QFormat="true" Name="heading 1"/ UnhideWhenUsed="false" QFormat="true" Name="Title"/ UnhideWhenUsed="false" QFormat="true" Name="Subtitle"/ UnhideWhenUsed="false" QFormat="true" Name="Strong"/ UnhideWhenUsed="false" QFormat="true" Name="Emphasis"/ UnhideWhenUsed="false" Name="Table Grid"/ UnhideWhenUsed="false" QFormat="true" Name="No Spacing"/ UnhideWhenUsed="false" Name="Light Shading"/ UnhideWhenUsed="false" Name="Light List"/ UnhideWhenUsed="false" Name="Light Grid"/ UnhideWhenUsed="false" Name="Medium Shading 1"/ UnhideWhenUsed="false" Name="Medium Shading 2"/ UnhideWhenUsed="false" Name="Medium List 1"/ UnhideWhenUsed="false" Name="Medium List 2"/ UnhideWhenUsed="false" Name="Medium Grid 1"/ UnhideWhenUsed="false" Name="Medium Grid 2"/ UnhideWhenUsed="false" Name="Medium Grid 3"/ UnhideWhenUsed="false" Name="Dark List"/ UnhideWhenUsed="false" Name="Colorful Shading"/ UnhideWhenUsed="false" Name="Colorful List"/ UnhideWhenUsed="false" Name="Colorful Grid"/ UnhideWhenUsed="false" Name="Light Shading Accent 1"/ UnhideWhenUsed="false" Name="Light List Accent 1"/ UnhideWhenUsed="false" Name="Light Grid Accent 1"/ UnhideWhenUsed="false" Name="Medium Shading 1 Accent 1"/ UnhideWhenUsed="false" Name="Medium Shading 2 Accent 1"/ UnhideWhenUsed="false" Name="Medium List 1 Accent 1"/ UnhideWhenUsed="false" QFormat="true" Name="List Paragraph"/ UnhideWhenUsed="false" QFormat="true" Name="Quote"/ UnhideWhenUsed="false" QFormat="true" Name="Intense Quote"/ UnhideWhenUsed="false" Name="Medium List 2 Accent 1"/ UnhideWhenUsed="false" Name="Medium Grid 1 Accent 1"/ UnhideWhenUsed="false" Name="Medium Grid 2 Accent 1"/ UnhideWhenUsed="false" Name="Medium Grid 3 Accent 1"/ UnhideWhenUsed="false" Name="Dark List Accent 1"/ 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UnhideWhenUsed="false" Name="Medium Shading 1 Accent 5"/ UnhideWhenUsed="false" Name="Medium Shading 2 Accent 5"/ UnhideWhenUsed="false" Name="Medium List 1 Accent 5"/ UnhideWhenUsed="false" Name="Medium List 2 Accent 5"/ UnhideWhenUsed="false" Name="Medium Grid 1 Accent 5"/ UnhideWhenUsed="false" Name="Medium Grid 2 Accent 5"/ UnhideWhenUsed="false" Name="Medium Grid 3 Accent 5"/ UnhideWhenUsed="false" Name="Dark List Accent 5"/ UnhideWhenUsed="false" Name="Colorful Shading Accent 5"/ UnhideWhenUsed="false" Name="Colorful List Accent 5"/ UnhideWhenUsed="false" Name="Colorful Grid Accent 5"/ UnhideWhenUsed="false" Name="Light Shading Accent 6"/ UnhideWhenUsed="false" Name="Light List Accent 6"/ UnhideWhenUsed="false" Name="Light Grid Accent 6"/ UnhideWhenUsed="false" Name="Medium Shading 1 Accent 6"/ UnhideWhenUsed="false" Name="Medium Shading 2 Accent 6"/ UnhideWhenUsed="false" Name="Medium List 1 Accent 6"/ UnhideWhenUsed="false" Name="Medium List 2 Accent 6"/ UnhideWhenUsed="false" Name="Medium Grid 1 Accent 6"/ UnhideWhenUsed="false" Name="Medium Grid 2 Accent 6"/ UnhideWhenUsed="false" Name="Medium Grid 3 Accent 6"/ UnhideWhenUsed="false" Name="Dark List Accent 6"/ UnhideWhenUsed="false" Name="Colorful Shading Accent 6"/ UnhideWhenUsed="false" Name="Colorful List Accent 6"/ UnhideWhenUsed="false" Name="Colorful Grid Accent 6"/ UnhideWhenUsed="false" QFormat="true" Name="Subtle Emphasis"/ UnhideWhenUsed="false" QFormat="true" Name="Intense Emphasis"/ UnhideWhenUsed="false" QFormat="true" Name="Subtle Reference"/ UnhideWhenUsed="false" QFormat="true" Name="Intense Reference"/ UnhideWhenUsed="false" QFormat="true" Name="Book Title"/ /* Style Definitions */ table.MsoNormalTable {mso-style-name:????; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.5pt; mso-bidi-font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:??; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi; mso-font-kerning:1.0pt;}

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  • What can Go chan do that a list cannot?

    - by alpav
    I want to know in which situation Go chan makes code much simpler than using list or queue or array that is usually available in all languages. As it was stated by Rob Pike in one of his speeches about Go lexer, Go channels help to organize data flow between structures that are not homomorphic. I am interested in a simple Go code sample with chan that becomes MUCH more complicated in another language (for example C#) where chan is not available. I am not interested in samples that use chan just to increase performance by avoiding waiting of data between generating list and consuming the list (which can be solved by chunking) or as a way to organize thread safe queue or thread-safe communication (which can be easily solved by locking primitives). I am interested in a sample that makes code simpler structurally disregarding size of data. If such sample does not exist then sample where size of data matters. I guess desired sample would contain bi-directional communication between generator and consumer. Also if someone could add tag [channel] to the list of available tags, that would be great.

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  • Is this the right strategy to convert an in-level order binary tree to a doubly linked list?

    - by Ankit Soni
    So I recently came across this question - Make a function that converts a in-level-order binary tree into a doubly linked list. Apparently, it's a common interview question. This is the strategy I had - Simply do a pre-order traversal of the tree, and instead of returning a node, return a list of nodes, in the order in which you traverse them. i.e return a list, and append the current node to the list at each point. For the base case, return the node itself when you are at a leaf. so you would say left = recursive_function(node.left) right = recursive_function(node.right) return(left.append(node.data)).append(right);` Is this the right approach?

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  • Why appending to a list in Scala should have O(n) time complexity?

    - by Jubbat
    I am learning Scala at the moment and I just read that the execution time of the append operation for a list (:+) grows linearly with the size of the list. Appending to a list seems like a pretty common operation. Why should the idiomatic way to do this be prepending the components and then reversing the list? It can't also be a design failure as implementation could be changed at any point. From my point of view, both prepending and appending should be O(1). Is there any legitimate reason for this?

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  • Serializing a list of Key/Value pairs to XML

    - by Slauma
    I have a list of key/value pairs I'd like to store in and retrieve from a XML file. So this task is similar as described here. I am trying to follow the advice in the marked answer (using a KeyValuePair and a XmlSerializer) but I don't get it working. What I have so far is a "Settings" class ... public class Settings { public int simpleValue; public List<KeyValuePair<string, int>> list; } ... an instance of this class ... Settings aSettings = new Settings(); aSettings.simpleValue = 2; aSettings.list = new List<KeyValuePair<string, int>>(); aSettings.list.Add(new KeyValuePair<string, int>("m1", 1)); aSettings.list.Add(new KeyValuePair<string, int>("m2", 2)); ... and the following code to write that instance to a XML file: XmlSerializer serializer = new XmlSerializer(typeof(Settings)); TextWriter writer = new StreamWriter("c:\\testfile.xml"); serializer.Serialize(writer, aSettings); writer.Close(); The resulting file is: <?xml version="1.0" encoding="utf-8"?> <Settings xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema"> <simpleValue>2</simpleValue> <list> <KeyValuePairOfStringInt32 /> <KeyValuePairOfStringInt32 /> </list> </Settings> So neither key nor value of the pairs in my list are stored though the number of elements is correct. Obviously I am doing something basically wrong. My questions are: How can I store the key/value pairs of the list in the file? How can I change the default generated name "KeyValuePairOfStringInt32" of the elements in the list to some other name like "listElement" I'd like to have?

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  • Circular dependencies in StructureMap - can they be broken with property injection?

    - by Andy
    Hi, I've got the simplest kind of circular dependency in structuremap - class A relies on class B in its constructor, and class B relies on class A in its constructor. To break the dependency, I made class B take class A as a property, rather than a constructor argument, but structuremap still complains. I've seen circular dependencies broken using this method in other DI frameworks - is this a problem with Structuremap or am I doing something wrong? Edit: I should mention that class B's property is an array of class A instances, wired up like this: x.For<IB>().Singleton().Use<B>().Setter(y => y.ArrayOfA).IsTheDefault();

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  • Bind postback data from a strong type view of type List<T>

    - by Robert Koritnik
    I have a strong type view of type List<List<MyViewModelClass>> The outer list will always have two lists of List<MyViewModelClass>. For each of the two outer lists I want to display a group of checkboxes. Each set can have an arbitrary number of choices. My view model class looks similar to this: public class MyViewModelClass { public Area Area { get; set; } public bool IsGeneric { get; set; } public string Code { get; set; } public bool IsChecked { get; set; } } So the final view will look something like: Please select those that apply: First set of choices: x Option 1 x Option 2 x Option 3 etc. Second set of choices: x Second Option 1 x Second Option 2 x Second Option 3 x Second Option 4 etc. Checkboxes should display MyViewModelClass.Area.Name, and their value should be related to MyViewModelClass.Area.Id. Checked state is of course related to MyViewModel.IsChecked. Question I wonder how should I use Html.CheckBox() or Html.CheckBoxFor() helper to display my checkboxes? I have to get these values back to the server on a postback of course. I would like to have my controller action like one of these: public ActionResult ConsumeSelections(List<List<MyViewModelClass>> data) { // process data } public ActionResult ConsumeSelections(List<MyViewModelClass> first, List<MyViewModelClass> second) { // process data } If it makes things simpler, I could make a separate view model type like: public class Options { public List First { get; set; } public List Second { get; set; } } As well as changing my first version of controller action to: public ActionResult ConsumeSelections(Options data) { // process data }

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  • Parallel For Loop - Problems when adding to a List - Possible .Net Bugs

    - by Kevin Crowell
    I am having some issues involving Parallel for loops and adding to a List. The problem is, the same code may generate different output at different times. I have set up some test code below. In this code, I create a List of 10,000 int values. 1/10th of the values will be 0, 1/10th of the values will be 1, all the way up to 1/10th of the values being 9. After setting up this List, I setup a Parallel for loop that iterates through the list. If the current number is 0, I add a value to a new List. After the Parallel for loop completes, I output the size of the list. The size should always be 1,000. Most of the time, the correct answer is given. However, I have seen 3 possible incorrect outcomes occur: The size of the list is less than 1,000 An IndexOutOfRangeException occurs @ doubleList.Add(0.0); An ArgumentException occurs @ doubleList.Add(0.0); The message for the ArgumentException given was: Destination array was not long enough. Check destIndex and length, and the array's lower bounds. What could be causing the errors? Is this a .Net bug? Is there something I can do to prevent this from happening? Please try the code for yourself. If you do not get an error, try it a few times. Please also note that you probably will not see any errors using a single-core machine. using System; using System.Collections.Generic; using System.Threading.Tasks; namespace ParallelTest { class Program { static void Main(string[] args) { List<int> intList = new List<int>(); List<double> doubleList = new List<double>(); for (int i = 0; i < 250; i++) { intList.Clear(); doubleList.Clear(); for (int j = 0; j < 10000; j++) { intList.Add(j % 10); } Parallel.For(0, intList.Count, j => { if (intList[j] == 0) { doubleList.Add(0.0); } }); if (doubleList.Count != 1000) { Console.WriteLine("On iteration " + i + ": List size = " + doubleList.Count); } } Console.WriteLine("\nPress any key to exit."); Console.ReadKey(); } } }

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  • Parallel For Loop - Problems when adding to a List

    - by Kevin Crowell
    I am having some issues involving Parallel for loops and adding to a List. The problem is, the same code may generate different output at different times. I have set up some test code below. In this code, I create a List of 10,000 int values. 1/10th of the values will be 0, 1/10th of the values will be 1, all the way up to 1/10th of the values being 9. After setting up this List, I setup a Parallel for loop that iterates through the list. If the current number is 0, I add a value to a new List. After the Parallel for loop completes, I output the size of the list. The size should always be 1,000. Most of the time, the correct answer is given. However, I have seen 3 possible incorrect outcomes occur: The size of the list is less than 1,000 An IndexOutOfRangeException occurs @ doubleList.Add(0.0); An ArgumentException occurs @ doubleList.Add(0.0); The message for the ArgumentException given was: Destination array was not long enough. Check destIndex and length, and the array's lower bounds. What could be causing the errors? Is this a .Net bug? Is there something I can do to prevent this from happening? Please try the code for yourself. If you do not get an error, try it a few times. Please also note that you probably will not see any errors using a single-core machine. using System; using System.Collections.Generic; using System.Threading.Tasks; namespace ParallelTest { class Program { static void Main(string[] args) { List<int> intList = new List<int>(); List<double> doubleList = new List<double>(); for (int i = 0; i < 250; i++) { intList.Clear(); doubleList.Clear(); for (int j = 0; j < 10000; j++) { intList.Add(j % 10); } Parallel.For(0, intList.Count, j => { if (intList[j] == 0) { doubleList.Add(0.0); } }); if (doubleList.Count != 1000) { Console.WriteLine("On iteration " + i + ": List size = " + doubleList.Count); } } Console.WriteLine("\nPress any key to exit."); Console.ReadKey(); } } }

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  • applying apply() to deeply embeded list elements only

    - by romunov
    I would like to apply my function to only elements that are deeper in the list structure. For example, I would like to apply a certain function to list elements of second order only. Is this feasible with apply()? > str(l) List of 3 $ :List of 2 ..$ : num 5 ..$ : num 10 $ :List of 2 ..$ : num 15 ..$ : num 20 $ :List of 2 ..$ : num 25 ..$ : num 30

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  • Finding a sequence in a List

    - by user113164
    I have a list of integers that I would like to search for a sequence. For example, if i have a master list: 1, 2, 3, 4, 9, 2, 39, 482, 19283, 19, 23, 1, 29 And I want to find sequence: 1, 2, 3, 4 I would like some easy way to fill a subset list with: 1, 2, 3, 4 + the next five integers in the master list And then remove the integers in the subset list from the master list so at the end of the operation, my lists would look like this: Master list: 19, 23, 1, 29 Subset list: 1, 2, 3, 4, 9, 2, 39, 482, 19283 Hope that makes sense. I'm guessing maybe linq would be good for something like this, but I've never used it before. Can anyone help?

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  • how to get a sub list from a list in ocaml

    - by romerun
    Hi, I'm looking at the List document. It seems the library does not provide a sublist function. I'm trying to get list of elements from i to j. Now I have to write it as: let rec sublist list i j = if i j then [] else (List.nth list i) :: (sublist list (i+1) j) which is quite concise but I'm questioning the efficiency of List.nth, because if it's O(n), I would rather have to write it in a less concise way. I'm wondering why didn't they provide List.sublist func, if List.nth is not O(1), because it's such a quite common operation..

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  • Multiple Linked List in C

    - by LuckySlevin
    I have a problem about Linked Lists. I already know how to create structures and linked list. But now I have to create arbitrary number of linked list which are also be kept in another structure. Which means : struct list{int x, struct list *next; }; struct parent{int x, struct list *head, struct parent *next;} And after lists are created when i enter this input for example "123134 linked list should look like : 1 - 2 - 3 - 4 And for example 1 will contain 2-3 list inside of it, 3 will contain 1-4 list inside of it. I need a starting point and a spark from you. So how can i do this?

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  • How to handle "circular dependency" in dependency injection

    - by Roel
    The title says "Circular Dependency", but it is not the correct wording, because to me the design seems solid. However, consider the following scenario, where the blue parts are given from external partner, and orange is my own implementation. Also assume there is more then one ConcreteMain, but I want to use a specific one. (In reality, each class has some more dependencies, but I tried to simplify it here) I would like to instanciate all of this with Depency Injection (Unity), but I obviously get a StackOverflowException on the following code, because Runner tries to instantiate ConcreteMain, and ConcreteMain needs a Runner. IUnityContainer ioc = new UnityContainer(); ioc.RegisterType<IMain, ConcreteMain>() .RegisterType<IMainCallback, Runner>(); var runner = ioc.Resolve<Runner>(); How can I avouid this? Is there any way to structure this so that I can use it with DI? The scenario I'm doing now is setting everything up manually, but that puts a hard dependency on ConcreteMain in the class which instantiates it. This is what i'm trying to avoid (with Unity registrations in configuration). All source code below (very simplified example!); public class Program { public static void Main(string[] args) { IUnityContainer ioc = new UnityContainer(); ioc.RegisterType<IMain, ConcreteMain>() .RegisterType<IMainCallback, Runner>(); var runner = ioc.Resolve<Runner>(); Console.WriteLine("invoking runner..."); runner.DoSomethingAwesome(); Console.ReadLine(); } } public class Runner : IMainCallback { private readonly IMain mainServer; public Runner(IMain mainServer) { this.mainServer = mainServer; } public void DoSomethingAwesome() { Console.WriteLine("trying to do something awesome"); mainServer.DoSomething(); } public void SomethingIsDone(object something) { Console.WriteLine("hey look, something is finally done."); } } public interface IMain { void DoSomething(); } public interface IMainCallback { void SomethingIsDone(object something); } public abstract class AbstractMain : IMain { protected readonly IMainCallback callback; protected AbstractMain(IMainCallback callback) { this.callback = callback; } public abstract void DoSomething(); } public class ConcreteMain : AbstractMain { public ConcreteMain(IMainCallback callback) : base(callback){} public override void DoSomething() { Console.WriteLine("starting to do something..."); var task = Task.Factory.StartNew(() =>{ Thread.Sleep(5000);/*very long running task*/ }); task.ContinueWith(t => callback.SomethingIsDone(true)); } }

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  • List of Hidden / Virtual Windows User Accounts

    - by Synetech inc.
    I’m trying to find a way to get a comprehensive list of user accounts on a Windows 7 system, including hidden ones. The User Accounts dialog (>control userpasswords2) only shows the normal user accounts, and even the Local User and Groups editor only shows normal user accounts and standard hidden/disabled ones like Administrator and Guest. The Select Users or Groups dialog has a Find Now button which which combines users and groups, but alas, it has the same contents as the LUG. I’m looking for a more comprehensive list that includes “super-hidden” / virtual user accounts like TrustedInstaller (or to be more accurate, NT Service\TrustedInstaller—notice the different “domain”). I checked HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\SpecialAccounts\UserList, but the SpecialAccounts key does not exist. I also checked HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\ProfileList, and while it does have the SystemProfile, LocalService, and NetworkService accounts listed, it does not have others (like TrustedInstaller and its ilk). TrustedInstaller specifically is a little confusing because it is a user, a service, and an executable file. I am using it as an example because it is “super hidden” in that it does not seem to be listed in any sort of user list. (As an experiment, I tried searching the whole registry for “trustedinstaller” to see if I could find a place where it is listed as a user, but found none.) To be clear, what I am looking for is a list of all accounts that can be used in a user input-field such as in permissions dialogs or as a runas argument.

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