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• question about adding another column to a sql statement

  - by every_answer_gets_a_point

  i am starting with this table: SELECT [Lab Occurrence Form].[Practice Code], [Lab Occurrence Form].[1 0 Preanalytical (Before Testing)], Count([Lab Occurrence Form].[1 0 Preanalytical (Before Testing)]) AS [CountOf1 0 Preanalytical (Before Testing)] FROM [Lab Occurrence Form] WHERE ((([Lab Occurrence Form].[Occurrence Date]) Between [Forms]![By Number]![Text4] And [Forms]![By Number]![Text2])) GROUP BY [Lab Occurrence Form].[Practice Code], [Lab Occurrence Form].[1 0 Preanalytical (Before Testing)] HAVING ((([Lab Occurrence Form].[Practice Code])<>"") AND ((Count([Lab Occurrence Form].[1 0 Preanalytical (Before Testing)]))<>0)); it selects 3 columns but i need to aggregate the comments and put it in the fourth column where the first two values are the same

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• Any idea why this query always returns duplicate items?

  - by Kardo

  I want to get all Images not used by current ItemID. The this subquery but it also always returns duplicate Images: EDITED select Images.ImageID, Images.ItemStatus, Images.UserName, Images.Url, Image_Item.ItemID, Image_Item.ItemID from Images left join (select ImageID, ItemID, MAX(DateCreated) x from Image_Item where ItemID != '5a0077fe-cf86-434d-9f3b-7ff3030a1b6e' group by ImageID, ItemID having count(*) = 1) image_item on Images.imageid = image_item.imageid where ItemID is not null I guess the problem is with the subquery which I can't avoid duplicate rows: select ImageID, ItemID, MAX(DateCreated) x from Image_Item where ItemID != '5a0077fe-cf86-434d-9f3b-7ff3030a1b6e' group by ImageID, ItemID having count(*) = 1 Result: F2EECBDC-963D-42A7-90B1-4F82F89A64C7 0578AC61-3C32-4A1D-812C-60A09A661E71 F2EECBDC-963D-42A7-90B1-4F82F89A64C7 9A4EC913-5AD6-4F9E-AF6D-CF4455D81C10 42BC8B1A-7430-4915-9CDA-C907CBC76D6A CB298EB9-A105-4797-985E-A370013B684F 16371C34-B861-477C-9A7C-DEB27C8F333D 44E6349B-7EBF-4C7E-B3B0-1C6E2F19992C Table: Images ImageID uniqueidentifier UserName nvarchar(100) DateCreated smalldatetime Url nvarchar(250) ItemStatus char(1) Table: Image_Item ImageID uniqueidentifier ItemID uniqueidentifier UserName nvarchar(100) ItemStatus char(1) DateCreated smalldatetime Any kind help is highly appreciated.

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• Why do I get Bind Variable "DeliveryDate_Variable" is NOT DECLARED(Completely New TO Oracle)

  - by GigaPr

  Hi, I have the following script in Oacle I do not understand why i get Bind Variable "DeliveryDate_Variable" is NOT DECLARED Everything looks ok to me VARIABLE RollingStockTypeId_Variable NUMBER := 1; VARIABLE DeliveryDate_Variable DATE := (to_date('2010/8/25:12:00:00AM', 'yyyy/mm/dd:hh:mi:ssam')); SELECT DISTINCT rs.Id, rs.SerialNumber, rsc.Name AS Category, (SELECT COUNT(Id) from ROLLINGSTOCKS WHERE ROLLINGSTOCKCATEGORYID = rsc.id) as "Number Owened", (SELECT COUNT(rs.Id) FROM ROLLINGSTOCKS rs WHERE rs.ID NOT IN( select RollingStockId from ROLLINGSTOCK_ORDER WHERE :DeliveryDate_Variable BETWEEN DEPARTUREDATE AND DELIVERYDATE) AND rs.RollingStockCategoryId IN (Select Id from RollingStockCategories Where RollingStockTypeId = :RollingStockTypeId_Variable) AND rs.RollingStockCategoryId = rsc.Id) AS "Number Available" FROM ROLLINGSTOCKS rs JOIN RollingStockCategories rsc ON rsc.Id = rs.RollingStockCategoryId WHERE rs.ID NOT IN( select RollingStockId from ROLLINGSTOCK_ORDER WHERE :DeliveryDate_Variable BETWEEN DEPARTUREDATE AND DELIVERYDATE ) AND rs.RollingStockCategoryId IN ( Select Id from RollingStockCategories Where RollingStockTypeId = :RollingStockTypeId_Variable ) ORDER BY rsc.Name

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• c permutation of a number

  - by Pkp

  I am writing a program for magic box. As the only way around it is brute force, I wrote a program to compute permutations of a given array using bells algorithm. I wrote in the lines similar to http://programminggeeks.com/c-code-for-permutation/. It does work for array of 3 and 4. It does not work for an arryay of 8 numbers (1,2,3,4,5,6,7,8). I see that the combination 1 2 3 4 5 6 7 8 gets repeated couple of times. Also there are other combinations that gets repeated. I see that certain combinations don't get displayed even. So could someone tell me what is wrong in the program below. Code: include<stdio.h> int len,numperm=1,count=0; display(int a[]){ int i; for(i=0;i<len;i++) printf("%d ",a[i]); printf("\n"); count++; } swap(int *a,int *b){ int temp; temp=*a; *a=*b; *b=temp; } no_of_perm(){ int x; for(x=1;x<=len;x++) numperm=numperm*x; } perm(int a[]){ int x,y; while(count < numperm){ for(x=0;x<len-1;x++){ swap(&a[x],&a[x+1]); display(a); } swap(&a[0],&a[1]); display(a); for(y=len-1;y>0;y--){ swap(&a[y],&a[y-1]); display(a); } swap(&a[len-1],&a[len-2]); display(a); } } main(int argc, char *argv[]){ if(argc<2){ printf("Error\n"); exit(0); } int i,*a=malloc(sizeof(int)*atoi(argv[1])); len=atoi(argv[1]); for(i=0;i<len;i++) a[i]=i+1; no_of_perm(); perm(a); }

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• MySQL Database || Tables Issue

  - by user1780103

  I'm trying to write up a script where the user is able to purchase an amount of points for dollars. I want the transaction to be inserted into MySQL. I keep facing a: "Column count doesn't match value count at row 1" error. And I have no idea what I'm doing wrong. I have written up this: mysql_query("INSERT INTO paypal_donations VALUES (NULL, ".$account_id.", ".$char_id.", ".$price.", ".$dp.", NOW(), NOW(), 'Started', 0, 0, '', '');") or die(mysql_error()); But I don't know what to execute in MySQL, since I've never worked with it before. Could anyone write up a quick script that I can insert into MySQL for it to work.

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• Resolve property at runtime. C#

  - by user1031381

  I have some class which have some code public IEnumerable<TypeOne> TypeOne { get { if (db != null) { var col = db.Select<TypeOne>(); if (col.Count > 0) return col; } return db2.TypeOne; } } public IEnumerable<TypeTwo> TypeTwo { get { if (db != null) { var col = db.Select<TypeTwo>(); if (col.Count > 0) return col; } return db2.TypeTwo; } } So as You can see there is a lot of duplicated Code and there are same property name and item type of enumerable. I want to call some property of object like "obj.MyProp". And MyProp must be resolved at runtime with some generic or non-generic method. Is it possible?

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• get value from database based on array in codeigniter

  - by Developer

  I have an array $user = array([0]=>1 [1]=>2 [2]=>3) which contains id's of certain users. I need to get the countries of these users from database. foreach($userid as $user){ $this->db->select('country'); $this->db->where('user_id',$user); $this->db->from('company'); $usercountry = $this->db->get(); $count = $usercountry->row(); $country = $count->country; } Suppose user1 has country ES, user2 has IN, user3 has US, user4 has UK. then if array contains 1,2,3. Then i need to get the countries ES,IN,US.

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• 1-DimArray Counting same elements (0,1)

  - by Chris

  Hello, I have a 1-dim array that fills up a table of 40 random elements (all the values are either 0 or 1). So i wanne "count" the largest row of the values net to each otherto each other.. Meaning for example : 111100101 = the longest row would be 1111 (= 4 elements of the same kind closest to each other). So 011100 would result in the longest row being 3 elements (3 x 1). My problem i have no idea how to check upon the "next element" and check if its a 0 or 1. Like the first would be 1111 (count 4) but the next would be a 0 value = meaning i have to stop counting. My idea was placing this value (4) in a other array (example: 111100101) , and place the value of the 1's back on zero. And start the process all over again. To find the largest value i have made a other method that checks up the biggest value in the array that keeps track of the count of 0's 1's, this is not the problem. But i cannot find a way to fill the array tabelLdr up. (having all the values of the group of elements of the same kind (being 0 or 1). In the code below i have 2 if's and offcourse it will never go into the second if (to check if the next value in the array is != then its current state (being 0 or 1) Best Regards. public void BerekenDeelrij(byte[] tabel, byte[] tabelLdr) { byte LdrNul = 0, Ldréén = 0; //byte teller = 0; for (byte i = 0; i < tabel.Length; i++) { if (tabel[i] == 0) { LdrNul++; //this 2nd if cleary does not work, but i have no idea how to implend this sort of idea in my program. if (tabel[i] == 1) //if value != 0 then the total value gets put in the second array tabelLdr, { tabelLdr[i] = LdrNul; LdrNul = 0; } } if (tabel[i] == 1) { Ldréén++; if (tabel[i] == 0) { tabelLdr[i] = Ldréén; Ldréén = 0; } } }/*for*/ }

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• What is wrong with the below statement(C#3.0 / Lambda)

  - by Newbie

  what is wrong in the below Enumerable.Range(0, objEntityCode.Count - 1).Select(i => { options.Attributes[i] = new EntityCodeKey { EntityCode = objEntityCode[i].EntityCodes , OrganizationCode = Constants.ORGANIZATION_CODE }; }) .ToArray(); Throwing error The type arguments for method 'System.Linq.Enumerable.Select(System.Collections.Generic.IEnumerable, System.Func)' cannot be inferred from the usage. Try specifying the type arguments explicitly. But this works Enumerable.Range(0, objEntityCode.Count - 1).ToList().ForEach(i => { options.Attributes[i] = new EntityCodeKey { EntityCode = objEntityCode[i].EntityCodes , OrganizationCode = Constants.ORGANIZATION_CODE }; } ); Using C#3.0. Purpose: I am learning LINQ / LAMBDA and trying to do the same program in different way. Thanks.

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• Hibernate mysql groupe by day whith 0 entities

  - by Touhami

  I have this function i need to do that in sql (hibernate or mysql) or a java function that interpert the array of results select DAY(affaire.docCreationDate), count(affaire.docfullName) from CRMAffaireCode.AffaireClass as affaire where affaire.docfullName like 'CRMAffaire.Affaire%' and affaire.docCreationDate = '" + startDate + " 00:00:00' and affaire.docCreationDate <= '" + endDate + " 23:59:59' GROUP BY DAY(affaire.docCreationDate)" i have this entitie count in my table 2012-10-05 3 2012-10-06 0 2012-10-07 7 2012-10-08 13 2012-10-09 9 2012-10-10 0 2012-10-11 0 2012-10-12 3 the request return me this values 5 3 7 7 8 13 9 9 12 3 in this way i loose three lignes that have 0 as value, i need a request that return me this 5 3 6 0 7 7 8 13 9 9 10 0 11 0 12 3

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• where clausule on field defined by sub-query

  - by stUrb

  I have this query which displays some properties and count the number of references to it from an other table: SELECT p.id,p.propName ( SELECT COUNT(*) FROM propLoc WHERE propLoc.propID = p.id ) AS number FROM property as p WHERE p.category != 'natural' This generates a good table with all the information I want to filter: id | propName | number 3 | Name 1 | 3 4 | Name 2 | 1 5 | Name 3 | 0 6 | Name 4 | 10 etc etc I now want to filter out the properties with number <= 0 So I tried to add an AND number > 0 But it reacts with Unknown column 'number' in 'where clause' apparently you can't filter on a name specified by a subquery? How can I achieve my goal?

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• PHP from database and query

  - by Kyle R

  I have a table: id, affiliate Each time somebody clicks a link, a new row is inserted, ID being the ID of the page, and affiliate being the ID of the affiliate. For example: Page ID: 9 Affiliate ID: 1 Page ID: 9 Affiliate ID: 2 Page ID: 9 Affiliate ID: 3 I only have 3 affiliates. I want to select this information, and group them by affiliate, for the ID. I have tried this query: SELECT COUNT(*) FROM table WHERE id = '9' GROUP BY affiliate It works fine when I do it in php my admin, how do I get the info in PHP? I have tried: $q = mysql_query("SELECT COUNT(*) FROM table WHERE id = '" . $id . "' GROUP BY affiliate"); $r = mysql_fetch_array($q); When trying to print the data onto the page, I am only getting one result. Do I need to use a foreach/while loop to get all 3? How would I go about doing this? Thank you!

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• How can i trim or remove " , " at the end of my query?

  - by Phsika

  i try to write a query but my query finished with "Control nvarchar(500), ". i want to finish "Control nvarchar(500)" How can remove ",", " "? void SqlTable(List listMyColumnNames, string TableName) { string Text = "Create table ENG_"+TableName+" (ENG_"+TableName+"_ID integer PRIMARY KEY identity(1,1), "; char[] MyChar = {',', ' ' }; for (int i = 0; i < listMyColumnNames.Count; ) { Text+=listMyColumnNames[i]+" nvarchar(500), "; if (i == listMyColumnNames.Count-1) Text.TrimEnd(MyChar); i++; } Text+=" )";

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• [android]layout like printest

  - by Dcboy

  I want to make a custom view like pinterest in my code,i use scrollView and 3 linearlayout inside scrollview I custom my view name waterfallView here is the code: public class WaterfallView extends LinearLayout { private ListAdapter m_Adapter; private OnClickListener onClickListener = null; private LinearLayout m_Line1; private LinearLayout m_Line2; private LinearLayout m_Line3; public WaterfallView(Context context) { super(context); // TODO Auto-generated constructor stub InitLine(); } public WaterfallView(Context context, AttributeSet attrs) { super(context, attrs); InitLine(); } private void InitLine() { LinearLayout.LayoutParams lp = new LinearLayout.LayoutParams( LinearLayout.LayoutParams.MATCH_PARENT, LinearLayout.LayoutParams.MATCH_PARENT); lp.weight = 1; // line2 m_Line1 = new LinearLayout(this.getContext()); m_Line1.setOrientation(VERTICAL); m_Line1.setLayoutParams(lp); // line2 m_Line2 = new LinearLayout(this.getContext()); m_Line2.setOrientation(VERTICAL); m_Line2.setLayoutParams(lp); // line3 m_Line3 = new LinearLayout(this.getContext()); m_Line3.setOrientation(VERTICAL); m_Line3.setLayoutParams(lp); addView(m_Line1); addView(m_Line2); addView(m_Line3); } public ListAdapter getAdapter() { return m_Adapter; } private void BindLayout() { int count = m_Adapter.getCount(); for (int i = 0; i < count; i++) { View v = m_Adapter.getView(i, null, null); v.setOnClickListener(this.onClickListener); if (i == 0 || i % 3 == 0) m_Line1.addView(v); if (i == 1 || i % 3 == 1) m_Line2.addView(v); if (i == 2 || i % 3 == 2) m_Line3.addView(v); } Log.v("countTAG", "" + count); } private void AddItem(){ } public void setAdapter(ListAdapter adapter) { this.m_Adapter = adapter; BindLayout(); } public OnClickListener getOnclickListner() { return onClickListener; } public void setOnclickLinstener(OnClickListener onClickListener) { this.onClickListener = onClickListener; } } In the BindLayout function there is m_Adapter.getView(i, null, null); then the second param convertView i would like to have AbsListView class using RecycleBin How could I do that?

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• Hibernate and mssql inner join rowcount

  - by ez2sarang

  I am struggling with Hibernate Criteria. My aim is to create the following request using Hibernate Criteria : select count(*) as y0_ from PInterface this_ inner join Product product2_ on this_.product_id=product2_.id where this_.product_interface_type_id=? Here is my code: @Entity @Table(name = "PInterface") public class PInterface { @Id @GeneratedValue @Column(name = "id", nullable = false, insertable = false, updatable = false) private int id; @Column(name = "product_id") private int productId; @Column(name = "product_interface_type_id") private int type; @ManyToOne(optional=false) @JoinColumn(name = "product_id", referencedColumnName = "id", insertable=false, updatable=false) private Product product; } @Entity @Table(name = "Product") public class Product { @Id @GeneratedValue @Column(name = "id", nullable = false, insertable = false, updatable = false) private int id; private String name; } //Criteria is : Object criteria = sessionFactory.getCurrentSession() .createCriteria(PInterface.class) .add(Restrictions.eq("type", 1)) .setProjection(Projections.rowCount()) .uniqueResult() ; However, the results ... select count(*) as y0_ from PInterface this_ where this_.product_interface_type_id=? Where Inner join? Thank you for help!

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• Java Error When correct code is put together

  - by Eric

  I have a few string problems that I need to put together for a complete homework assignment. They all work correctly by themselves, but when I put them together in the main function, the last one that finds the smallest word in a string gives an error. Anyone know why? public static void main(String[] args){ Scanner sc = new Scanner(System.in); //Length of Word String word1 = sc.next(); System.out.println(word1.length()); //Evens in one string odds in the other String word2 = sc.next(); StringBuilder even = new StringBuilder(); StringBuilder odd = new StringBuilder(); for(int i = 0; i < word2.length(); i++){ if(i % 2 == 0){ even.append(word2.charAt(i)); } else{ odd.append(word2.charAt(i)); } } System.out.println(even + " " + odd); //Diminishing Suffix String word3 = sc.next(); for(int j = 0; j < word3.length(); j++){ System.out.print(word3.substring(j, word3.length()) + " "); } System.out.printf("\n"); //Letter Replacement String word4 = sc.next(); String word5 = sc.next(); String word6 = sc.next(); String word7 = word4.replace(word5, word6); System.out.println(word7); //How many times x appears in xstring String word8 = sc.next(); String word9 = sc.next(); int index = word8.indexOf(word9); int count = 0; while (index != -1) { count++; word8 = word8.substring(index + 1); index = word8.indexOf(word9); } System.out.println(count); System.out.println(); //Lexicographically smallest word String Sentence = sc.nextLine(); String[] myWords = Sentence.split(" "); int shortestLengths, shortestLocation; shortestLengths=(myWords[1]).length(); shortestLocation=1; for (int i = 1; i <myWords.length; i++) { if ((myWords[i]).length() < shortestLengths) { shortestLengths=(myWords[i]).length(); shortestLocation=i; } } System.out.println(myWords[shortestLocation]); } } Talking about the lexicographically smallest one

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• Android TextWatcher for more than one EditText

  - by Creative MITian

  I want to implement the TextWatcher interface for more than one EditText fields. Currently I am using : text1.addTextChangedListener(this); text2.addTextChangedListener(this); then overriding the methods in my Activity: public void afterTextChanged(Editable s) {} public void beforeTextChanged(CharSequence s, int start, int count, int after) {} public void onTextChanged(CharSequence s, int start, int before, int count) { // do some operation on text of text1 field // do some operation on text of text2 field } However this is working fine but I'm looking for other ways so that I can explicitly identify that in which EditText field the SoftKeyboard is currently focused.

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• Adding an Element to an Array

  - by coffeeaddict

  Ok, I cannot get this. I've looked at it and I don't see why it's out of bounds. I get the error at paypalItems[paypalItems.Length] = new PaymentDetailsItemType PaymentDetailsItemType[] paypalItems = new PaymentDetailsItemType[order.OrderItems.Count]; for (int i = 0; i < order.OrderItems.Count; i++) { paypalItems[i] = new PaymentDetailsItemType { Name = order.OrderItems[i].Name, Amount = ApiUtility.CreateBasicAmount(order.OrderItems[i].Price), Description = order.OrderItems[i].Name, Number = order.OrderItems[i].Sku, }; } if (giftCardsTotal != 0) { // add Coupons & Discounts line item paypalItems[paypalItems.Length] = new PaymentDetailsItemType { Name = "Gift Cards", Amount = ApiUtility.CreateBasicAmount(giftCardsTotal), Description = "Gift Cards" }; }

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• MySQL: Return grouped fields where the group is not empty, efficiently

  - by Ryan Badour

  In one statement I'm trying to group rows of one table by joining to another table. I want to only get grouped rows where their grouped result is not empty. Ex. Items and Categories SELECT Category.id FROM Item, Category WHERE Category.id = Item.categoryId GROUP BY Category.id HAVING COUNT(Item.id) > 0 The above query gives me the results that I want but this is slow, since it has to count all the rows grouped by Category.id. What's a more effecient way? I was trying to do a Group By LIMIT to only retrieve one row per group. But my attempts failed horribly. Any idea how I can do this? Thanks

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• Getting specific data from database

  - by ifsession

  I have a table called Categorie with a few columns and I'm trying to get only a few out of my database. So I've tried this: $sql = 'SELECT uppercat AS id, COUNT(uppercat) AS uppercat FROM categorie GROUP BY uppercat;'; $d = Yii::app()->db->createCommand($sql)->query(); But I find the output strange. I was trying to do an array_shift but I get an error that this isn't an array. When I do a var_dump on $d: object(CDbDataReader)[38] private '_statement' => object(PDOStatement)[37] public 'queryString' => string 'SELECT uppercat AS id, COUNT(uppercat) AS uppercat FROM categorie GROUP BY uppercat;' (length=100) private '_closed' => boolean false private '_row' => null private '_index' => int -1 private '_e' (CComponent) => null private '_m' (CComponent) => null Ok.. then I did a foreach on $d: array 'id' => string '0' (length=1) 'uppercat' => string '6' (length=1) array 'id' => string '3' (length=1) 'uppercat' => string '2' (length=1) array 'id' => string '6' (length=1) 'uppercat' => string '1' (length=1) array 'id' => string '7' (length=1) 'uppercat' => string '2' (length=1) array 'id' => string '9' (length=1) 'uppercat' => string '2' (length=1) Then why do I get the message that $d isn't an array while it contains arrays? Is there any other way on how to get some specific data out of my database and that I can then do an array_shift on them? I've also tried doing this with findAllBySql but then I can't reach my attribute for COUNT(uppercat) which is not in my model. I guess I'd have to add it to my model but I wouldn't like that because I need it just once.

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• Accessing ajax POST response in javascript

  - by mike44

  I'm making ajax POST request from javascript function: function UpdateMetrics() { $.ajax({ type: "POST", url: "MyHandler.ashx?Param1=value1", data: "{}", contentType: "text/json; charset=utf-8", dataType: "text", success: function (msg) { var jsonUpdatedData = msg; ... } }); } From my handler, I'm sending json string with: context.Response.write(json); I think I'll get it in msg. I also want to send other string (count). So I'm trying to use header info along with json data. So I added this line: context.Response.Headers.Add("MaxCount",Convert.ToString(tempList.Count)); If this is right way to do it, how can I access it in my success function?

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• having an issue about the output in c programming ..

  - by user2985811

  i'm having a problem on running the output after putting the input.. the output doesn't show after i put the variables and i don't know how to set the code .. so if you guys could help me with this, that would be grateful.. #include <stdio.h> #include <conio.h> int read_temps (float temps[]); int hot_days (int numOfTemp, float temps[]); int printf_temps (int numOfTemp, float temps[], int numOfHotDays); int main (void) { int index = 0; float tempVal; float temps[31]; int numOfTemp, numOfHotDays; do { printf ("Enter the temperature:"); scanf ("%f", &tempVal); if (tempVal!=-500.0) { temps[index] = tempVal; index++; } } while (tempVal != -500.0); return ; { int i; int count = 0; for (i = 0; i < numOfTemp; i++) { if (temps[i] > 32.0) count++; } return count; } { float sum = 0.0; int i; printf ("\nInput Temperatures:"); printf ("\n-------------------------"); for (i = 0;i < numOfTemp; i++) { printf ("\nDay %d : %.2fF", i+1, temps[i]); sum = sum + temps[i]; } printf ("\nNumber of Hot Days : %d", numOfHotDays); printf ("\nAverage Temperature: %.2f", sum/numOfTemp); } { clrscr (); numOfTemp = read_temps (temps); numOfHotDays = hot_days (numOfTemp, temps); clrscr (); printf_temps (numOfTemp, temps, numOfHotDays); getch (); } }

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• Extra line breaks inserted in MrEd text%

  - by Jesse Millikan

  In a DrScheme project, I'm using a MrEd editor-canvas% with text% and inserting a string from a literal in a Scheme file. This results in an extra blank line in the editor for each line of text I'm trying to insert. Is this a Windows vs. Unix linebreak problem? I can't find anything about text% treats line breaks in the documentation. ; Inside a class definition: (define/public (edit-pattern p j b d h) (send input-beat set-value (number->string b)) (send input-dwell set-value (number->string d)) (send hold-beats set-value (number->string h)) (send juggler-t erase) ; Why do these add extra newlines (send juggler-t insert j) (send pattern-t erase) (send pattern-t insert p)) (define juggler-ec (new editor-canvas% [parent this] [line-count 12])) (define juggler-t (new text%)) (send juggler-ec set-editor juggler-t) (define pattern-ec (new editor-canvas% [parent this] [line-count 20])) (define pattern-t (new text%)) (send pattern-ec set-editor pattern-t) ; Lots of other stuff...

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• Kernel panic when bringing up DRBD resource

  - by sc.

  I'm trying to set up two machines synchonizing with DRBD. The storage is setup as follows: PV - LVM - DRBD - CLVM - GFS2. DRBD is set up in dual primary mode. The first server is set up and running fine in primary mode. The drives on the first server have data on them. I've set up the second server and I'm trying to bring up the DRBD resources. I created all the base LVM's to match the first server. After initializing the resources with `` drbdadm create-md storage I'm bringing up the resources by issuing drbdadm up storage After issuing that command, I get a kernel panic and the server reboots in 30 seconds. Here's a screen capture. My configuration is as follows: OS: CentOS 6 uname -a Linux host.structuralcomponents.net 2.6.32-279.5.2.el6.x86_64 #1 SMP Fri Aug 24 01:07:11 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux rpm -qa | grep drbd kmod-drbd84-8.4.1-2.el6.elrepo.x86_64 drbd84-utils-8.4.1-2.el6.elrepo.x86_64 cat /etc/drbd.d/global_common.conf global { usage-count yes; # minor-count dialog-refresh disable-ip-verification } common { handlers { pri-on-incon-degr "/usr/lib/drbd/notify-pri-on-incon-degr.sh; /usr/lib/drbd/notify-emergency-reboot.sh; echo b /proc/sysrq-trigger ; reboot -f"; pri-lost-after-sb "/usr/lib/drbd/notify-pri-lost-after-sb.sh; /usr/lib/drbd/notify-emergency-reboot.sh; echo b /proc/sysrq-trigger ; reboot -f"; local-io-error "/usr/lib/drbd/notify-io-error.sh; /usr/lib/drbd/notify-emergency-shutdown.sh; echo o /proc/sysrq-trigger ; halt -f"; # fence-peer "/usr/lib/drbd/crm-fence-peer.sh"; # split-brain "/usr/lib/drbd/notify-split-brain.sh root"; # out-of-sync "/usr/lib/drbd/notify-out-of-sync.sh root"; # before-resync-target "/usr/lib/drbd/snapshot-resync-target-lvm.sh -p 15 -- -c 16k"; # after-resync-target /usr/lib/drbd/unsnapshot-resync-target-lvm.sh; } startup { # wfc-timeout degr-wfc-timeout outdated-wfc-timeout wait-after-sb become-primary-on both; wfc-timeout 30; degr-wfc-timeout 10; outdated-wfc-timeout 10; } options { # cpu-mask on-no-data-accessible } disk { # size max-bio-bvecs on-io-error fencing disk-barrier disk-flushes # disk-drain md-flushes resync-rate resync-after al-extents # c-plan-ahead c-delay-target c-fill-target c-max-rate # c-min-rate disk-timeout } net { # protocol timeout max-epoch-size max-buffers unplug-watermark # connect-int ping-int sndbuf-size rcvbuf-size ko-count # allow-two-primaries cram-hmac-alg shared-secret after-sb-0pri # after-sb-1pri after-sb-2pri always-asbp rr-conflict # ping-timeout data-integrity-alg tcp-cork on-congestion # congestion-fill congestion-extents csums-alg verify-alg # use-rle protocol C; allow-two-primaries yes; after-sb-0pri discard-zero-changes; after-sb-1pri discard-secondary; after-sb-2pri disconnect; } } cat /etc/drbd.d/storage.res resource storage { device /dev/drbd0; meta-disk internal; on host.structuralcomponents.net { address 10.10.1.120:7788; disk /dev/vg_storage/lv_storage; } on host2.structuralcomponents.net { address 10.10.1.121:7788; disk /dev/vg_storage/lv_storage; } /var/log/messages is not logging anything about the crash. I've been trying to find a cause of this but I've come up with nothing. Can anyone help me out? Thanks.

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• Ubuntu 14.04, OpenLDAP TLS problems

  - by larsemil

  So i have set up an openldap server using this guide here. It worked fine. But as i want to use sssd i also need TLS to be working for ldap. So i looked into and followed the TLS part of the guide. And i never got any errors and slapd started fine again. BUT. It does not seem to work when i try to use ldap over tls. root@server:~# ldapsearch -x -ZZ -H ldap://83.209.243.253 -b dc=daladevelop,dc=se ldap_start_tls: Protocol error (2) additional info: unsupported extended operation Ganking up the debug level some notches returns some more information: root@server:~# ldapsearch -x -ZZ -H ldap://83.209.243.253 -b dc=daladevelop,dc=se -d 5 ldap_url_parse_ext(ldap://83.209.243.253) ldap_create ldap_url_parse_ext(ldap://83.209.243.253:389/??base) ldap_extended_operation_s ldap_extended_operation ldap_send_initial_request ldap_new_connection 1 1 0 ldap_int_open_connection ldap_connect_to_host: TCP 83.209.243.253:389 ldap_new_socket: 3 ldap_prepare_socket: 3 ldap_connect_to_host: Trying 83.209.243.253:389 ldap_pvt_connect: fd: 3 tm: -1 async: 0 ldap_open_defconn: successful ldap_send_server_request ber_scanf fmt ({it) ber: ber_scanf fmt ({) ber: ber_flush2: 31 bytes to sd 3 ldap_result ld 0x7f25df51e220 msgid 1 wait4msg ld 0x7f25df51e220 msgid 1 (infinite timeout) wait4msg continue ld 0x7f25df51e220 msgid 1 all 1 ** ld 0x7f25df51e220 Connections: * host: 83.209.243.253 port: 389 (default) refcnt: 2 status: Connected last used: Fri Jun 6 08:52:16 2014 ** ld 0x7f25df51e220 Outstanding Requests: * msgid 1, origid 1, status InProgress outstanding referrals 0, parent count 0 ld 0x7f25df51e220 request count 1 (abandoned 0) ** ld 0x7f25df51e220 Response Queue: Empty ld 0x7f25df51e220 response count 0 ldap_chkResponseList ld 0x7f25df51e220 msgid 1 all 1 ldap_chkResponseList returns ld 0x7f25df51e220 NULL ldap_int_select read1msg: ld 0x7f25df51e220 msgid 1 all 1 ber_get_next ber_get_next: tag 0x30 len 42 contents: read1msg: ld 0x7f25df51e220 msgid 1 message type extended-result ber_scanf fmt ({eAA) ber: read1msg: ld 0x7f25df51e220 0 new referrals read1msg: mark request completed, ld 0x7f25df51e220 msgid 1 request done: ld 0x7f25df51e220 msgid 1 res_errno: 2, res_error: <unsupported extended operation>, res_matched: <> ldap_free_request (origid 1, msgid 1) ldap_parse_extended_result ber_scanf fmt ({eAA) ber: ldap_parse_result ber_scanf fmt ({iAA) ber: ber_scanf fmt (}) ber: ldap_msgfree ldap_err2string ldap_start_tls: Protocol error (2) additional info: unsupported extended operation ldap_free_connection 1 1 ldap_send_unbind ber_flush2: 7 bytes to sd 3 ldap_free_connection: actually freed So no good information there neither. In /var/log/syslog i get: Jun 6 08:55:42 master slapd[21383]: conn=1008 fd=23 ACCEPT from IP=83.209.243.253:56440 (IP=0.0.0.0:389) Jun 6 08:55:42 master slapd[21383]: conn=1008 op=0 EXT oid=1.3.6.1.4.1.1466.20037 Jun 6 08:55:42 master slapd[21383]: conn=1008 op=0 do_extended: unsupported operation "1.3.6.1.4.1.1466.20037" Jun 6 08:55:42 master slapd[21383]: conn=1008 op=0 RESULT tag=120 err=2 text=unsupported extended operation Jun 6 08:55:42 master slapd[21383]: conn=1008 op=1 UNBIND Jun 6 08:55:42 master slapd[21383]: conn=1008 fd=23 closed If i portscan the host i get the following: Starting Nmap 6.40 ( http://nmap.org ) at 2014-06-06 08:56 CEST Nmap scan report for h83-209-243-253.static.se.alltele.net (83.209.243.253) Host is up (0.0072s latency). Not shown: 996 closed ports PORT STATE SERVICE 22/tcp open ssh 80/tcp open http 389/tcp open ldap 636/tcp open ldapssl But when i check certs root@master:~# openssl s_client -connect daladevelop.se:636 -showcerts -state CONNECTED(00000003) SSL_connect:before/connect initialization SSL_connect:unknown state 140244859233952:error:140790E5:SSL routines:SSL23_WRITE:ssl handshake failure:s23_lib.c:177: --- no peer certificate available --- No client certificate CA names sent --- SSL handshake has read 0 bytes and written 317 bytes --- New, (NONE), Cipher is (NONE) Secure Renegotiation IS NOT supported Compression: NONE Expansion: NONE --- And i feel like i am clearly out in deep water not knowing at all where to go from here. Anny hints appreciated on what to do or to get better debug logging... EDIT: This is my config slapcated from cn=config and it does not mention at all anything about TLS. I have inserted my certinfo.ldif: root@master:~# cat certinfo.ldif dn: cn=config add: olcTLSCACertificateFile olcTLSCACertificateFile: /etc/ssl/certs/cacert.pem - add: olcTLSCertificateFile olcTLSCertificateFile: /etc/ssl/certs/daladevelop_slapd_cert.pem - add: olcTLSCertificateKeyFile olcTLSCertificateKeyFile: /etc/ssl/private/daladevelop_slapd_key.pem and when doing that i only got this as an answer. root@master:~# sudo ldapmodify -Y EXTERNAL -H ldapi:/// -f certinfo.ldif SASL/EXTERNAL authentication started SASL username: gidNumber=0+uidNumber=0,cn=peercred,cn=external,cn=auth SASL SSF: 0 modifying entry "cn=config" So still no wiser.

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