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• select rows with largest value of variable within a group in r

  - by Misha

  a.2<-sample(1:10,100,replace=T) b.2<-sample(1:100,100,replace=T) a.3<-data.frame(a.2,b.2) r<-sapply(split(a.3,a.2),function(x) which.max(x$b.2)) a.3[r,] returns the list index, not the index for the entire data.frame Im trying to return the largest value of b.2 for each subgroup of a.2. How can I do this efficiently?

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• Contravariant Delegates Value Types

  - by ChloeRadshaw

  Can anyone shed light on why contravariance does not work with C# value types? The below does not work private delegate Asset AssetDelegate(int m); internal string DoMe() { AssetDelegate aw = new AssetDelegate(DelegateMethod); aw(32); return "Class1"; } private static House DelegateMethod(object m) { return null; }

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• callback method in iframe to return a value to opener

  - by Premier

  I have to call a callback method in iframe to return a value to opener. I know SqueezeBox has "assign, open, close" static methods, but I do not understand how it works, can someone help me please?

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• jquery: selecting all elements where attribute is greater than a value

  - by Ankur

  I know that to filter an element with an atttribute called attrName which has value attrValue I do: filter("[attrName='attrValue']") but looking at the docs http://api.jquery.com/category/selectors/ I can't see an option to select all elements s.t. attrNameattrValue Will this work filter("[attrName>'attrValue']")

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• iframe src based on javascript variable value

  - by Ra

  Hi, I have a Iframe, and how to pass a javascript vairable to along with a iframe src. ex: var param1=test1; how to pass "param1" value along with the iframe url. and i want to pass like this. <iframe frameborder=0 src="http://cart.demo.com/c_jp.php?action=param1" name="navigationframe" id="navigationframe" width="220" height="800"> Thanks in advance.

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• SQL Server 2008 update one column with a value based on number words in other

  - by MicMit

  Columns Words, WordsCount For each value of Words "x y z" update wordscount with 3 , "a b" with 2, "a b c d" with 4 and etc... How can I do it with/without .Net program ?

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• prolog: reduce then write the value of a predicate

  - by jreid9001

  This is some of the code I am writing assert(bar(foo)), assert(foo(bar-5)), I'm not sure if it works though. I'm trying to get it to reduce foo by 5. I need a way to write the value of foo, but haven't found a way too. write('foo is' + foo) would be the logical way to me, but doesn't seem to work.

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• alert a variable value

  - by muqtar

  How do I display the value of a variable in javascript in an alert box? For example I've got a variable x=100 and alert(x) isn't working.

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• sql query with space in the value

  - by user234194

  How do I write where clause where the value has spaces: eg: select * from table1 where name = 'Firstname lastname'; i tried this but doesnot work.

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• Filtering a dataframe in row names from a column value in R

  - by user1755155

  Basically I have dataframe with two columns (target_id and fpkm). I want to keep only those row names in first column that are not duplicated. For example in the below dataframe you can see there are two row names with the same name (almost) comp267138_c0_seq1 comp267138_c0_seq2 and from both and I want to keep only one comp267138_c0_seq2 based of high value in column 2. target_id fpkm comp247393_c0_seq1 3.197885 comp257058_c0_seq4 1.624577 comp242590_c0_seq1 1.750319 comp77911_c0_seq1 1.293059 comp241426_c0_seq1 1.626589 comp288413_c0_seq1 14.828853 comp294436_c0_seq1 11.555596 comp63603_c0_seq1 1.982386 comp267138_c0_seq1 8.594494 comp267138_c0_seq2 11.134958 comp321623_c0_seq1 6.934149

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• Convert combobox string value to int

  - by asli

  I have a question about converting types. I want to change the currently selected combobox value string to an int, but I get errors My code: int.Parse(age.SelectedItem.ToString()); What can I do for this problem?

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• Removing all items of a given value from a hashmap

  - by Anthony Webb

  So I have a java hashmap like below: hMap.put("1", "One"); hMap.put("2", "Two"); hMap.put("3", "Two"); I would like to remove ALL items where the value is "Two" If I do something like: hmap.values().remove("Two"); Only the first one is deleted, I want to remove them all, how can this be done?

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• how to access cck checkbox value from views .tpl

  - by romandor

  Subject for advanced views theming: 1) Create CCK integer field "field_checkbox" - Single on/of checkbox Allowed values 0|No 1|Yes 2) In views row-style .tpl <?php print $fields['field_checkbox_value']->content ?> doesn't print any value, why? Other fields output fine. Thank you in advance!

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• Add a usercontrol as the value of a html attribute

  - by dmadden

  I am working in a CMS where we use tokens ( which is turned into a user control. Is there a way to add the user control into an attribute value for our template style? example : <div class="<$tokenName/$>" / this currently outputs an encoded user control, which is then not parsed by IIS.

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• SharePoint List Error: “Value does not fall within the expected range” when I open Edit > Workflows

  - by bifstix

  When I click on the Workflows from the Edit menu, it automatically displays “Value does not fall within the expected range” without me even starting a workflow. All workflows were created from SharePoint Designer. Any ideas on this? Thanks. Cheers!

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• PHP - get value from URL after # sign

  - by ile

  http://domain.com/site/gallery/1#photo45 How to read value after the # sign (photo45)? PS: What is the English word for the # sign?

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• Write file at a specific value and line

  - by user2828891

  I want to write data at a specified value in a text file from a text box. Here is a example: item_begin etcitem 3344 item_type=etcitem is first line and item_begin weapon 3343 item_type=weapon is second. Well i want to replace item_type=weapon at second line with item_type=armor. Here is code so far: var data2 = File.WriteAllLines("itemdata.txt") .Where(x => x.Contains("3343")) .Take(1) .SelectMany(x => x.Split('\t')) .Select(x => x.Split('=')) .Where(x => x.Length > 1) .ToDictionary(x => x[0].Trim(), x => x[1]); But returns error at WriteAllLines. Here is the readline part code: var data = File.ReadLines("itemdata.txt") .Where(x => x.Contains("3343")) .Take(1) .SelectMany(x => x.Split('\t')) .Select(x => x.Split('=')) .Where(x => x.Length > 1) .ToDictionary(x => x[0].Trim(), x => x[1]); //call values textitem_type.Text = data["item_type"]; And want to write the same value I change on textitem_type.Text after read. I used this to reaplace but replaces all values with same name from line and returns me in text only 1 line. Code: private void button2_Click(object sender, EventArgs e) { var data = File .ReadLines("itemdata.txt") .Where(x => x.Contains(itemSrchtxt.Text)) .Take(1) .SelectMany(x => x.Split('\t')) .Select(x => x.Split('=')) .Where(x => x.Length > 1) .ToDictionary(x => x[0].Trim(), x => x[1]); StreamReader reader = new StreamReader(Directory.GetCurrentDirectory() + @"\itemdata.txt"); string content = reader.ReadLine(); reader.Close(); content = Regex.Replace(content, data["item_type"], textitem_type.Text); StreamWriter write = new StreamWriter(Directory.GetCurrentDirectory() + @"\itemdata.txt"); write.WriteLine(content); write.Close(); }

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• SSIS - Setting a Dataflow Derived Column value from a variable

  - by Jason W

  I have an ID in a package variable that I need to add as a column (with each row having that package variablevalue) in a Dataflow. Is there a way to do this with only the Derived Column? I know i can using the Derived Column to make a new column and then set the value using a Script Component, but that seems inefficient.

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• Array, find object with value and get its indexPath

  - by Emil

  Hey. I am trying to find an item in a NSMutableArray from it's value, only to find its indexPath. I have absolutely no idea of how to do this, as I am very new to programming in general. Thanks!

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• populating list value in st

  - by kpati

  I am new to struts2.I am unable to populate value in side a table in my jsp page from my Action class.I have a List in my Action class.Can any body help me.

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• Asp.net 3.5 ListBox DataTextFormatString value to convert the string data to TitleCase

  - by Maheep

  I have a webform with a ListBox control bind to a DataTable with a string column mapped(bound) to dataText field. This column retruns a string in all lowercase. I want to display the string in title case(sometimes uppercase) what value should I assign to DataTextFormatString field to get this functionality? Is there any better way of doing this? Thanks. Maheep

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• Export value from Excel worksheet to Access record

  - by glinch

  Hi there, I have an excel spreadsheet that contains the primarky-key/id value for a record in a table in an access database. I would like to export specific data from certain cells in the spreadsheet to certain fields in the corresponding record in the table. Is this possible, any help would be greatly appreciated. Many thanks Noel

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• How return a value from view2 to view1 when using navigation bar

  - by Anil Kumar

  Hi All, I am New to the iPhone Development. How can i carry a string value from view2 to view1 when using navigation bar. I have no problem in carrying string values from view1 to view2 to view3 to....by using pushviewcontroller But when i come back to previous views using Back button of navigation bar, I cannot able to hold string values. I need your help in solving this issue. Thanks In Advance

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• C# ASP.NET Error message when non-numberic value in textbox

  - by ilkdrl

  If a user enters a non-numeric value into the textbox and presses button, I should see an "ERROR" message in a label. How can I achieve this?

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• is there any short method to obtain value of array in php

  - by liysd

  When I obtain a field 'text' of an array I have to do something like this: $text = isset($tab['text'][0])?$tab['text'][0]:""; is there any function that returns value when element $tab['text'] exists and "" when not and of course doesn't produce notice in latter case.

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