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  • STL map--> sort by value?

    - by Charlie Epps
    Hi I wonder how can I implement the STL map sorting by value. For example, I have a map m map<int, int>; m[1] = 10; m[2] = 5; m[4] = 6; m[6] = 1; and then.. I'd like to sort that with the m's value. So, if I print the map, I'd like to get the result like m[6] = 1 m[2] = 5 m[4] = 6 m[1] = 10 this. How can I sort like this way? Is there any way that I can deal with the key and value with sorted values?

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  • ASP .net Dropdown list not saving the selected value to database

    - by user326010
    Hi In the following code i want to save the value selected by user from drop downlist into database. but whatever value is selected by user, first value of dropdown lsit is saved to database View <% =Html.DropDownList("lstUsertype", (SelectList)ViewData["UserTypeID"])%> Controller public ActionResult CreateUser() { UmUser _UmUser = new UmUser(); UMRepository _UMRepository = new UMRepository(); EvoLetDataContext db = new EvoLetDataContext(); ViewData["UserTypeID"] = new SelectList(_UMRepository.FillUserTypes(), "UserTypeID", "UserType",2); return View(_UmUser); } [AcceptVerbs(HttpVerbs.Post)] public ActionResult CreateUser(UmUser _umUser) { //try //{ if (ModelState.IsValid) { //try //{ UserRepository _UserRepository = new UserRepository(); _UserRepository.Add(_umUser); _UserRepository.Save(); return RedirectToAction("Details", new { id = _umUser.UserID }); /*} catch { ModelState.AddModelErrors(_umUser.GetRuleViolations()); }*/ } return View(); //} /*catch { return View(); }*/ }

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  • How to refer to a previously computed value in SQL Query statement

    - by Mort
    I am trying to add a CASE statement to the end of my SQL query to compute a value depending upon another table value and a previously computed value in the SELECT. The error is returned that DelivCount is an invalid column name. Is there a better way to do this or am I missign something? SELECT jd.FullJobNumber, jd.ProjectTitle, jd.ClientName, jd.JobManager, jd.ProjectDirector, jd.ServiceGroup, jd.Status, jd.HasDeliverables, jd.SchedOutsideJFlo, jd.ReqCompleteDate,(SELECT COUNT(*)FROM DeliverablesSchedule ds WHERE jd.FullJobNumber = ds.FullJobNumber) as DelivCount, SchedType = CASE WHEN (jd.SchedOutsideJFlo = 'Yes') THEN 'outside' WHEN (jd.HasDeliverables = 'No ') THEN 'none' WHEN (DelivCount > 0) THEN 'has' WHEN (jd.HasDeliverables = 'Yes' AND DelivCount = 0) THEN 'missing' ELSE 'unknown' END FROM JobDetail jd

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  • Zend Framework Router Getting /module/VALUE/controller/action

    - by cappuccino
    I've been googling around and I can't seem to find anything which explains the use of ZF router well. I've read the documentation on the site, which seems to only talk about re-routing. I am trying to make the format: /module/value/controller/action give /module/controller/action passing on value as a parameter e.g. /store/johnsmithbigsale/home/newstuff would route to /store/home/newstuff passing on johnsmithbigsale as the value to a parameter with a hidden namespace e.g. storeName. Some help would be greatful!

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  • Retrieve Value From Xml Attributes

    - by Chong
    hi everyone, i want to get some value from xml file filtering with xml attribute. my xml format is like below. <Object type="System.Windows.Forms.TextBox"> <Property name="Name">RadioButton1</Property> <Property name="Size">86, 24</Property> <Property name="Text">RadioButton1</Property> <Property name="Location">175, 126</Property> </Object> for example, if name = "Name" then i will add its value to name textbox. if name = "Size" then i will add its value to size textbox. regards Chong

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  • SQL Query Help Part 2 - Add filter to joined tables and get max value from filter

    - by Seth
    I asked this question on SO. However, I wish to extend it further. I would like to find the max value of the 'Reading' column only where the 'state' is of value 'XX' for example. So if I join the two tables, how do I get the row with max(Reading) value from the result set. Eg. SELECT s.*, g1.* FROM Schools AS s JOIN Grades AS g1 ON g1.id_schools = s.id WHERE s.state = 'SA' // how do I get row with max(Reading) column from this result set The table details are: Table1 = Schools Columns: id(PK), state(nvchar(100)), schoolname Table2 = Grades Columns: id(PK), id_schools(FK), Year, Reading, Writing...

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  • How to use a proprety/value table in MySQL

    - by David
    I inherited a mysql database that has a table with columns like this: object_id, property, value It holds data like this: 1,first_name,Jane 1,last_name,Doe 1,age,10 1,color,red 2,first_name,Mike 2,last_name,Smith 2,age,20 2,color,blue 3,first_name,John 3,last_name,Doe 3,age,20 3,color,red ... Basically what I want to do is treat this table as a regular table. How would I get the id numbers (or all properties) of a person who is age 20 sorted by last and than first name? So far I have: SELECT object_id FROM table WHERE property = 'age' AND value = '20' union SELECT object_id FROM table WHERE property = 'color' AND value = 'red' But I'm not sure how to go about ordering the data. Thanks

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  • Lock HTML select element, allow value to be sent on submit

    - by ILMV
    I have a select box (for a customer field) on a complex order form, when the user starts to add lines to the order they should not be allowed to change the customer select box (unless all lines are deleted). My immediate thought was that I could use the disabled attribute, but when the box is disabled the selected value is no longer passed to the target. When the problem arose a while ago one of the other developers worked around this by looping through all the options and disabling all but the selected option, and sure enough the value was passed to the target and we've been using since. But now I'm looking for a proper solution, I don't want to loop through all the options because are data is expanding and it's starting to introduce performance issues. I'd prefer not to enable this / all the elements when the submit button is hit. How can I lock the input, whilst maintaining the selected option and passing that value to the target script? I would prefer a non-JavaScript solution if possible, but if needed we are running jQuery 1.4.2 so that could be used.

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  • NSDictionary: Two keys per value?

    - by Derek
    I would like to create an NSDictionary (or something similar) that has two keys per value. It will be for English/Spanish word look-up, where: each value is an array containing all the conjugated verbs in English AND Spanish. each (two) keys contains both an English infinitive (e.g. "to be", "to go") and a Spanish infinitive This way, I can look a word up regardless of language based on the values having two keys per value. Here's an example: keys: "to want" or "querer" values: ["want", "want", "wants", "want", "want", "quiero", "quieres", "quiere", "queremos", "quieren"]

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  • jQuery Validation using the class instead of the name value

    - by Matt
    Hi, I'd like to validate a form using the jquery validate plugin, but I'm unable to use the 'name' value within the html - as this is a field also used by the server app. Specifically, I need to limit the number of checkboxes checked from a group. (Maximum of 3.) All of the examples I have seen, use the name attribute of each element. What I'd like to do is use the class instead, and then declare a rule for that. html This works: <input class="checkBox" type="checkbox" id="i0000zxthy" name="salutation" value="1" /> This doesn't work, but is what I'm aiming for: <input class="checkBox" type="checkbox" id="i0000zxthy" name="i0000zxthy" value="1" /> javascript: var validator = $(".formToValidate").validate({ rules:{ "salutation":{ required:true, }, "checkBox":{ required:true, minlength:3 } } }); Is it possible to do this - is there a way of targeting the class instead of the name within the rules options? Or do I have to add a custom method? Cheers, Matt

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  • Dojo slider: update value dynamically

    - by xApple
    I am building an application where the user browses certain objects by scrolling and zooming. To change the zoom level I have successfully implemented a "dijit.form.HorizontalSlider" object. Every time the user changes the position of the silder, I can catch the "onChange" call and do something with that. However, the user can also zoom-in by double clicking inside the view zone, at which point the slider should change position automatically to reflect the new zoom level. My question is the following: what function or method should I call in my javascript to update the position of a dojo silder ? Here is the code that creates the silder object: var zoomSlider = new dijit.form.HorizontalSlider({ name: "zoom_slider", id: "zoom_slider", value: 0, minimum: 0, maximum: 19, discreteValues: 20, intermediateChanges: false, style: "width: 160px;", onChange: function(value) { brwsr.view.zoomTo(value); } }, "zoom_slider"); navbox_silder.appendChild(zoomSlider.domNode);

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  • How to check value of stored procedure output parameter

    - by Anna T
    I have a stored procedure that: A. inserts some rows into a "table variable" based on some joins B. selects all values from column x from that table into a string with comma separated values C. selects all from the "table variable" If I execute the procedure like this: EXEC CatalogGetFilmDetails2 2,111111; a table is returned as instructed per step C above. How can I execute it so that also the output parameter value is displayed? (see point B above). I need to check if it's calculated properly. And since the second parameter is of output type, meaning it's calculated inside the procedure, why is it mandatory to specify a value for it when executing the procedure? I normally use a random value for it, it anyway doesn't matter/impact the result. On the other hand if I try to execute it without the output parameter, it returns an error) Thank you very much! This is how the procedure starts: CREATE PROCEDURE CatalogGetFilmDetails2 (@FilmID int, @CommaSepString VARCHAR(50) OUTPUT) AS And this is how @CommaSepString is calculated: SELECT @CommaSepString = STUFF((SELECT ', ' + Categ FROM @Filme1 FOR XML PATH('')), 1,1,'')

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  • Oracle aggregate function to return a random value for a group?

    - by tpdi
    The standard SQL aggregate function max() will return the highest value in a group; min() will return the lowest. Is there an aggregate function in Oracle to return a random value from a group? Or some technique to achieve this? E.g., given the table foo: group_id value 1 1 1 5 1 9 2 2 2 4 2 8 The SQL query select group_id, max(value), min(value), some_aggregate_random_func(value) from foo group by group_id; might produce: group_id max(value), min(value), some_aggregate_random_func(value) 1 9 1 1 2 8 2 4 with, obviously, the last column being any random value in that group.

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  • How Do I Add Value To All Previous Values In Array

    - by James
    Lets say I have the following array: my_array = [1, 5, 8, 11, -6] I need to iterate over this array and add the values prior to the current value together. An example will probably be easier to understand. I need to return an array that should look something like this: final_array = [1, 6, 14, 25, 19] I have tried doing something like this: my_array.collect {|value| value + previous_values } But obviously that doesn't work because I can't figure out how to get the previous values in the array. I am a programming noob so this might be easier than I am making it. I am pretty sure I need to use either collect or inject, but I can't seem to figure out how to do this. Any help would be appreciated.

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  • I18n - JSF variable value translation

    - by Yurish
    Hi! I am using Bundle Internationalization in my project. I have initialized bundle via <f:loadBundle basename="ui.all.bundles.AppResources_en" var="msg"/> When i need to translate some text, i am using a key to resourceBundle, to get a value of it, for example: #{msg.someText}. But, now i want to translate text, which key is a value of another variable. For example: I have variable String textToTransl. It`s value is status_booked. In my AppResources is defined, that status_booked means "It is booked!", so, when i am pointing it to #{msg.textToTransl} i need to see "It is booked!" How can i make it work?

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  • Cookie parameter value problem

    - by cagin
    Hi there I want to use cookie in my project. But now i m using session. And i have some session parameters in .aspx pages.. for example: <SelectParameters> <asp:SessionParameter Name="refKlinik_id" SessionField="refKlinik_id" /> </SelectParameters> Now i want to use Cookie Paramter like that: <SelectParameters> <asp:CookieParameter Name="refKlinik_id" CookieName="refKlinik_id" </SelectParameters> but cookie's value is like that: sauidpU655614411262762102024i1600369917542431520431414503529630051999*CoreID683251601618012627621046&c but i need an integer value like 24. How can i convert cookie's value to int32 Thanks for your helps

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  • Convert String value format of YYYYMMDDHHMMSS to C# DateTime

    - by SARAVAN
    I have a need to convert a string value in the form "YYYYMMDDHHMMSS" to a DateTime. But not sure on how, may be a DateTime.Tryparse can be used to make this happen. Or is there any other way to do it. I can do this using some string operations to take "YYYYMMDD" alone, convert to a datetime and then add HH, MM, SS separately to that DateTime. But is there any DateTime.TryParse() methods that I can use in one line to convert a "YYYYMMDDHHMMSS" format string value to a DateTime value?

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  • Failed to convert parameter value from a Guid to a String

    - by user320460
    Hello, I am at the end of my knowledge and googled for the answer too but no luck :/ Week ago everything worked well. I did a revert on the repository, recreated the tableadapter etc... nothing helped. When I try to save in my application I get an SystemInvalidCastException at this point: PersonListDataSet.cs: partial class P_GroupTableAdapter { public int Update(PersonListDataSet.P_GroupDataTable dataTable, string userId) { this.Adapter.InsertCommand.Parameters["@userId"].Value = userId; this.Adapter.DeleteCommand.Parameters["@userId"].Value = userId; this.Adapter.UpdateCommand.Parameters["@userId"].Value = userId; return this.Update(dataTable); **<-- Exception occurs here** } } Everything is stuck here because a Guid - and I checked the datatable preview with the magnifier tool its really a true Guid in the column of the datatable - can not be converted to a string ??? How can that happen?

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  • ASP.NET MVC Persisting mdoel's ID value when Editing

    - by user295017
    public Edit(int? id){ /* Codes */ } [HttpPost] public Edit(Item model){ /* Codes */ } I retrieve a copy of Item in the first Edit method, which would contain a value for ItemID. But when it gets to the HttpPost method, the id value's lost. If switched to public Edit(int? ItemID){ /* Codes */ } [HttpPost] public Edit(Item model){ /* Codes */ } this way ItemID can be persisted in the Item model. But is this a good way to handle it? Will ASP.NET MVC always be able to know that it needs to plug "ItemID" into Item? and are there other ways to persist the ID value? Thanks.

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  • Converting a constantly changing scalar value to a changing interval or frequency

    - by eco_bach
    Although I'm coding in Objective C, this is more of a general programming question. What is the best way to convert a constantly changing scalar value to a changing interval or frequency? Right now every time the scalar value changes I am destroying the NSInterval ie [self.myTimer invalidate]; self.myTimer = nil; and creating a new one, but this seems like a VERY expensive way to achieve my goal, since the changing scalar value in my case represents the horizontal velocity of a swipe. For a rough analogy, think of the speed of a swipe being reflected in a visual metronome, the faster you swipe, the higher(shorter interval) the frequency of the metronome.

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  • jQuery resetting value of form input when hidden

    - by RyanP13
    Hi, I am trying to clear the value attribute of an 'Other' form input when it is hidden from the user like so: // hide 'Other' inputs to start $('.jOther').hide(); // event listener on all select drop downs with class of jTitle $("select.jTitle").change(function(){ //set the select value var $titleVal = $(this).val(); if($titleVal != 'Other') { $(this).parent().find('.jOther').hide(); $(this).parent().find('input.jOther').attr("value", ""); } else { $(this).parent().find('.jOther').show(); } // Sets a cookie with named after the title field's ID attribute var $titleId = $(this).attr('id'); $.cookies.set('cpqb' + $titleId, $titleVal); }); It doesn't seem to be working and i have tried the following to no avail as well: $(this).parent().find('input.jOther').val(""); I have managed to alter other attributes in this way, such as the name, maxlength etc. Any ideas?

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  • RadioGroup getValue does not return correct slected value

    - by vagabond
    I'm running into a small issue with RadioGroup. My RadioGroup has possible values, true and false. The Radio types I have in my radiogroup use a Model that stores true or false. On an ajax onchange event I want to do some handling, and to do so I need to know the selected radio in my radiogroup and another identical radiogroup. The problem is getValue() only returns the initial value from my Pojo. Whenver I click on a radio button to change the selected Radio getValue() still returns the initial value. When I save my changes, my Pojo gets the correct value. I am finding this bizarre and have spent hours trying to figure our what I'm missing.

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  • C# - Dictionary with generic array as value

    - by alhazen
    In my class, I want to use a dictionary with the following declaration: Dictionary<string, T[]> Since the operations of my class are exactly the same for all generic types, I do not wish to define my class as generic (which means I would have to create a separate instance of my class for each generic type I insert into the dictionary ?). One alternative I'm attempting is to use Dictionary<string, object> instead: public void Add<T>(string str, T value) { // Assuming key already exists var array = (T[]) dictionary[str]; array[0] = value; } However, when iterating over the dictionary, how do I cast the object value back to an array ? foreach(string strKey in dictionary.Keys) { var array = (T[]) dictionary[strKey]; // How to cast here ? //... array[0] = default(T); } Thanks.

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  • Is it necessarily bad style to ignore the return value of a method

    - by Jono
    Let's say I have a C# method public void CheckXYZ(int xyz) { // do some operation with side effects } Elsewhere in the same class is another method public int GetCheckedXYZ(int xyz) { int abc; // functionally equivalent operation to CheckXYZ, // with additional side effect of assigning a value to abc return abc; // this value is calculated during the check above } Is it necessarily bad style to refactor this by removing the CheckXYZ method, and replacing all existing CheckXYZ() calls with GetCheckedXYZ(), ignoring the return value? The returned type isn't IDisposable in this case. Does it come down to discretion?

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  • How do I pass the value of the previous form element into an "onchange" javascript function?

    - by Jen
    Hello, I want to make some UI improvements to a page I am developing. Specifically, I need to add another drop down menu to allow the user to filter results. This is my current code: HTML file: <select name="test_id" onchange="showGrid(this.name, this.value, 'gettestgrid')"> <option selected>Select a test--></option> <option value=1>Test 1</option> <option value=2>Test 2</option> <option value=3>Test 3</option> </select> This is pseudo code for what I want to happen: <select name="test_id"> <option selected>Select a test--></option> <option value=1>Test 1</option> <option value=2>Test 2</option> <option value=3>Test 3</option> </select> <select name="statistics" onchange="showGrid(PREVIOUS.name, PREVIOUS.VALUE, THIS.value)"> <option selected>Select a data display --></option> <option value='gettestgrid'>Show averages by student</option> <option value='gethomeroomgrid'>Show averages by homeroom</option> <option value='getschoolgrid'>Show averages by school</option> </select> How do I access the previous field's name and value? Any help much appreciated, thx! Also, JS function for reference: function showGrid(name, value, phpfile) { xmlhttp=GetXmlHttpObject(); if (xmlhttp==null) { alert ("Browser does not support HTTP Request"); return; } var url=phpfile+".php"; url=url+"?"+name+"="+value; url=url+"&sid="+Math.random(); xmlhttp.onreadystatechange=stateChanged; xmlhttp.open("GET",url,true); xmlhttp.send(null); }

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