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  • Adding Items To A Combo Box Without Code?

    - by Soo
    I want some default values in my combo boxes but can't seem to figure out how to do this without writing a module that populates the combo boxes. How can I manually fill in the combo boxes so I don't have to use code to do something so simple. Thanks

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  • Proper Form Application Design

    - by Soo
    I'm creating a WinForm application in C# and one of its functions is displaying text in text boxes. I'm coding the logic for querying a database in a separate class and am unable to access the text box element in the class I'm creating (I'm getting a "name" does not exist in the current context error). Do I put all of my form logic into my Form1.cs file?

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  • C# Creating A Program That Runs In The Background?

    - by Soo
    How can I create a program that runs in the background, and can be accessed via the Windows' "Notification Area" (Where the date and time are in the lower right hand corner)? In other words, I want to be able to create a program that runs and can toggle between having a display window and not having a display window.

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  • WinForm And Looping

    - by Soo
    I have a WinForm set up and a process that loops until a button is pressed on the form. When I try to run my code, the form does not even display. I suspect this is because the code gets stuck in the loop and doesn't get far enough to display the WinForm. How can I get the form to display and the loop to run after that point?

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  • Database Design Question

    - by Soo
    Ok SO, I have a user table and want to define groups of users together. The best solution I have for this is to create three database tables as follows: UserTable user_id user_name UserGroupLink group_id member_id GroupInfo group_id group_name This method keeps the member and group information separate. This is just my way of thinking. Is there a better way to do this? Also, what is a good naming convention for tables that link two other tables?

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  • When To Use this.method()?

    - by Soo
    Hi SO, and happy Friday I have a question regarding the use of this.method();. My code seems to work without using the this., but I include it because it seems like the right thing to do. When should .this be used, and because it's presence doesn't always make a difference, what's the best practice for .this?

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  • Ray-box Intersection Theory

    - by Myx
    Hello: I wish to determine the intersection point between a ray and a box. The box is defined by its min 3D coordinate and max 3D coordinate and the ray is defined by its origin and the direction to which it points. Currently, I am forming a plane for each face of the box and I'm intersecting the ray with the plane. If the ray intersects the plane, then I check whether or not the intersection point is actually on the surface of the box. If so, I check whether it is the closest intersection for this ray and I return the closest intersection. The way I check whether the plane-intersection point is on the box surface itself is through a function bool PointOnBoxFace(R3Point point, R3Point corner1, R3Point corner2) { double min_x = min(corner1.X(), corner2.X()); double max_x = max(corner1.X(), corner2.X()); double min_y = min(corner1.Y(), corner2.Y()); double max_y = max(corner1.Y(), corner2.Y()); double min_z = min(corner1.Z(), corner2.Z()); double max_z = max(corner1.Z(), corner2.Z()); if(point.X() >= min_x && point.X() <= max_x && point.Y() >= min_y && point.Y() <= max_y && point.Z() >= min_z && point.Z() <= max_z) return true; return false; } where corner1 is one corner of the rectangle for that box face and corner2 is the opposite corner. My implementation works most of the time but sometimes it gives me the wrong intersection. I was wondering if the way I'm checking whether the intersection point is on the box is correct or if I should use some other algorithm. Thanks.

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  • javascript alarmclock script

    - by butteff
    it's work only once. at second button click, occured nothing. if I change budilnik variable at i_budilnik or var budilnik, occured nothing at first and other clicks! Where is the problem? <div><form name="alert"><input type="text" name="hour" /><input type="text" name="min"/><input type="button" value="ok" onclick="budilnik(this.form)"></form><font color=#660000 size=20 face=Tahoma><span id="hours"></span> </div> <script type="text/javascript"> function budilnik(form) { budilnik=1; min=form.min.value; hour=form.hour.value; } obj_hours=document.getElementById("hours"); function wr_hours() { time=new Date(); time_min=time.getMinutes(); time_hours=time.getHours(); time_wr=((time_hours<10)?"0":"")+time_hours; time_wr+=":"; time_wr+=((time_min<10)?"0":"")+time_min; time_wr=time_wr; obj_hours.innerHTML=time_wr; if (i_budilnik==1) { if (min==time_min) { if (hour==time_hours) { alert('welldone'); budilnik=0; } } } } wr_hours(); setInterval("wr_hours();",1000); </script>

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  • twitter bootstrap typeahead 2.0.4 ajax error

    - by Adam Levitt
    I have the following code which definitely returns a proper data result if I use the 2.0.0 version, but for some reason bootstrap's typeahead plugin is giving me an error. I pasted it below the code sample: <input id="test" type="text" /> $('#test').typeahead({ source: function(typeahead, query) { return $.post('/Profile/searchFor', { query: query }, function(data) { return typeahead.process(data); }); } }); When I run this example I'm getting a jQuery bug that says the following: ** item is undefined matcher(item=undefined)bootst...head.js (line 104) <br/>(?)(item=undefined)bootst...head.js (line 91) <br/>f(a=function(), b=function(), c=false)jquery....min.js (line 2) <br/>lookup(event=undefined)bootst...head.js (line 90) <br/>keyup(e=Object { originalEvent=Event keyup, type="keyup", timeStamp=145718131, more...})bootst...head.js (line 198) <br/>f()jquery....min.js (line 2) <br/>add(c=Object { originalEvent=Event keyup, type="keyup", timeStamp=145718131, <br/>more...})jquery....min.js (line 3) <br/>add(a=keyup charCode=0, keyCode=70)jquery....min.js (line 3) <br/>[Break On This Error] <br/>return item.toLowerCase().indexOf(this.query.toLowerCase())** Any thoughts? ... The same code works in the 2.0.0 version of the plugin, but fails to write to my knockout object model.

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  • Is possible to reuse subqueries?

    - by Gothmog
    Hello, I'm having some problems trying to perform a query. I have two tables, one with elements information, and another one with records related with the elements of the first table. The idea is to get in the same row the element information plus several records information. Structure could be explain like this: table [ id, name ] [1, '1'], [2, '2'] table2 [ id, type, value ] [1, 1, '2009-12-02'] [1, 2, '2010-01-03'] [1, 4, '2010-01-03'] [2, 1, '2010-01-02'] [2, 2, '2010-01-02'] [2, 2, '2010-01-03'] [2, 3, '2010-01-07'] [2, 4, '2010-01-07'] And this is want I would like to achieve: result [id, name, Column1, Column2, Column3, Column4] [1, '1', '2009-12-02', '2010-01-03', , '2010-01-03'] [2, '2', '2010-01-02', '2010-01-02', '2010-01-07', '2010-01-07'] The following query gets the proper result, but it seems to me extremely inefficient, having to iterate table2 for each column. Would be possible in anyway to do a subquery and reuse it? SELECT a.id, a.name, (select min(value) from table2 t where t.id = subquery.id and t.type = 1 group by t.type) as Column1, (select min(value) from table2 t where t.id = subquery.id and t.type = 2 group by t.type) as Column2, (select min(value) from table2 t where t.id = subquery.id and t.type = 3 group by t.type) as Column3, (select min(value) from table2 t where t.id = subquery.id and t.type = 4 group by t.type) as Column4 FROM (SELECT distinct id FROM table2 t WHERE (t.type in (1, 2, 3, 4)) AND t.value between '2010-01-01' and '2010-01-07') as subquery LEFT JOIN table a ON a.id = subquery.id

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  • JQuery idleTimeout plugin: How to display the dialog after the session is timedout on ASP.NET MVC Pa

    - by Rita
    Hi I am working on migrating the ASP.NET apllication to MVC Framework. I have implemented session timeout for InActiveUser using JQuery idleTimeout plugin. I have set idletime for 30 min as below in my Master Page. So that After the user session is timedout of 30 Min, an Auto Logout dialog shows for couple of seconds and says that "You are about to be signed out due to Inactivity" Now after this once the user is logged out and redirected to Home Page. Here i again want to show a Dialog and should stay there saying "You are Logged out" until the user clicks on it. Here is my code in Master page: $(document).ready(function() { var SEC = 1000; var MIN = 60 * SEC; // http://philpalmieri.com/2009/09/jquery-session-auto-timeout-with-prompt/ <% if(HttpContext.Current.User.Identity.IsAuthenticated) {%> $(document).idleTimeout({ inactivity: 30 * MIN, noconfirm : 30 * SEC, redirect_url: '/Account/Logout', sessionAlive: 0, // 30000, //10 Minutes click_reset: true, alive_url: '', logout_url: '' }); <%} %> } Logout() Method in Account Controller: public virtual ActionResult Logout() { FormsAuthentication.SignOut(); return RedirectToAction(MVC.Home.Default()); } Appreciate your responses.

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  • Why does my simple strict XHTML file give errors when I include jquery?

    - by Colen
    I'm trying to make a simple strict HTML file that includes jquery: <?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en"> <head> <title>Test File</title> <link href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8/themes/base/jquery-ui.css" rel="stylesheet" type="text/css"/> <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.4/jquery.min.js"></script> <script src="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8/jquery-ui.min.js"></script> </head> <body> </body> </html> But Firefox displays the following errors in the error console when I try to load it: Error: d.style is undefined Source File: http://ajax.googleapis.com/ajax/libs/jquery/1.4/jquery.min.js Line: 33 Error: jQuery is not defined Source File: http://ajax.googleapis.com/ajax/libs/jqueryui/1.8/jquery-ui.min.js Line: 19 Help! I don't understand :(

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  • JSFiddle external resources not working

    - by Ahmed Kato
    I am new to jsfiddle and I am trying to link my external resources. I added them using the tab on the left side and then paste my code on the panes Here is my JSFiddle project but only html is shown without linking to javascript and css in the output what I am doing wrong ? this is my original <head> <link href="css/bootstrap.min.css" rel="stylesheet"> <link href="css/bootstrap-responsive.min.css" rel="stylesheet"> <link href="css/style.css" rel="stylesheet"> <script type="text/javascript" src="js/jquery.min.js"></script> <script type="text/javascript" src="js/bootstrap.min.js"></script> <script type="text/javascript" src="js/scripts.js"></script> <script type="text/javascript" src="js/bootstrap-datepicker.js"></script> <link rel="stylesheet" href="bootstrap-tagsinput.css"> <link rel="stylesheet" type="text/css" href="css/datepicker.css"> </head>

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  • Error in datatype (nvarchar instead of ntext)

    - by prabu R
    I am importing data from excel(.xls) to SQL Server 2008 using SSIS. I have included IMEX=1 in the connection string of excel connection manager. But a column consists of a value as below: 4-Hour Engineer Dispatch ASPP Engr Dispatch 1: Up to 1 dispatch (8 hours) per year. Hours exceeding allocation billed @ 1.5x hourly rate w/ 8-hr min Engr Dispatch: 8-hrs to arrive on-site from Ciena's determination of need On-Site Engineer Dispatch - 8 Hour ASPP Engr Dispatch 8: Up to 8 dispatch (64 hours) per year. Hours exceeding allocation billed @ 1.5x hourly rate w/ 8-hr min Engr Dispatch: NBD to dispatch from Ciena's determination of need Per Incident On Site Support ASPP Engr Dispatch 12: Up to 12 dispatch (96 hours) per year. Hours exceeding allocation billed @ 1.5x hourly rate w/ 8-hr min Engr Dispatch: Next day to arrive on-site from Ciena's determination of need Resident Engineer Engr Dispatch: 2-hrs to arrive on-site from Ciena's determination of need Engr Dispatch: 4-hrs to arrive on-site from Ciena's determination of need ASPP Engr Dispatch 2: Up to 2 dispatch (16 hours) per year. Hours exceeding allocation billed @ 1.5x hourly rate w/ 8-hr min N Actually there are about 600 rows in that excel file. But the above mentioned value is present after 450 rows only. So, the datatype of that column is taken as nvarchar(255) as default instead of ntext and so i am getting error. Anybody please help out... Thanks in advance...

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  • how to get the real bounds with google maps when fully zoomed out

    - by brad
    I have a map that shows location points based on the gbounds of the map. For example, any time the map is moved/zoomed, i find the bounds and query for locations that fall within those bounds. Unfortunately I'm unable to display all my locations when fully zoomed out. Reason being, gmaps reports the min/max long as whatever is at the edge of the map, but if you zoom out enough, you can get a longitudinal range that excludes visible locations. For instance, if you zoom your map so that you see NorthAmerica twice, on the far left and far right. The min/max long are around: -36.5625 to 170.15625. But this almost completely excludes NorthAmerica which lies in the -180 to -60 range. Obviously this is bothersome as you can actually see the continent NorthAmerica (twice), but when I query my for locations in the range from google maps, NorthAmerica isn't returned. My code for finding the min/max long is: bounds = gmap.getBounds(); min_lat = bounds.getSouthWest().lat() max_lat = bounds.getNorthEast().lat() Has anyone encountered this and can anyone suggest a workaround? Off the top of my head I can only thing of a hack: to check the zoom level and hardcode the min/max lats to -180/180 if necessary, which is definitely unacceptable.

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  • using mod-rewrite to redirect requests for jquery.js to GoogleAPI cache

    - by Aditya Advani
    Hi All, Our Linux server with Apache 2.x, Plesk 8.x hosts a number of e-commerce websites. To take advantage of browser caching we would like to use Google's provided copy of jquery.js. Hence in the vhost.conf file of each we can use the following RewriteRule RewriteCond %{REQUEST_FILENAME} jquery.min.js [nc] RewriteRule . http://ajax.googleapis.com/ajax/libs/jquery/1.4/jquery.min.js [L] And in vhost_ssl.conf RewriteCond %{REQUEST_FILENAME} jquery.min.js [nc] RewriteRule . https://ajax.googleapis.com/ajax/libs/jquery/1.4/jquery.min.js [L] OK now these rules work fine in the individual vhost.conf files of each domain. However we host over 200 domains, I would like for them to work but cannot seem to get them to work globally in the httpd.conf file. Challenges are the following: Get the rewriterule to work in httpd.conf Detect if HTTPS is on, and if it is and the is is a secure page, rewrite to ... Each individual domain will still have it's own custom mod-rewrite rules. Which rules take precedence - global or per-domain? Do they combine? Is it ok if I have the "RewriteEngine On" directive in the global httpd.conf and then again in the vhost.conf? Please let me know what your guys' suggestions are. Desperate for a solution to this problem.

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  • R: outlier cleaning for each column in a dataframe by using quantiles 0.05 and 0.95

    - by Rainer
    hi, I am a R-novice. I want to do some outlier cleaning and over-all-scaling from 0 to 1 before putting the sample into a random forest. g<-c(1000,60,50,60,50,40,50,60,70,60,40,70,50,60,50,70,10) If i do a simple scaling from 0 - 1 the result would be: > round((g - min(g))/abs(max(g) - min(g)),1) [1] 1.0 0.1 0.0 0.1 0.0 0.0 0.0 0.1 0.1 0.1 0.0 0.1 0.0 0.1 0.0 0.1 0.0 So my idea is to replace the values of each column that are greater than the 0.95-quantile with the next value smaller than the 0.95-quantile - and the same for the 0.05-quantile. So the pre-scaled result would be: g<-c(**70**,60,50,60,50,40,50,60,70,60,40,70,50,60,50,70,**40**) and scaled: > round((g - min(g))/abs(max(g) - min(g)),1) [1] 1.0 0.7 0.3 0.7 0.3 0.0 0.3 0.7 1.0 0.7 0.0 1.0 0.3 0.7 0.3 1.0 0.0 I need this formula for a whole dataframe, so the functional implementation within R should be something like: > apply(c, 2, function(x) x[x`<quantile(x, 0.95)]`<-max(x[x, ... max without the quantile(x, 0.95)) Can anyone help? Spoken beside: if there exists a function that does this job directly, please let me know. I already checked out cut and cut2. cut fails because of not-unique breaks; cut2 would work, but only gives back string values or the mean value, and I need a numeric vector from 0 - 1. for trial: a<-c(100,6,5,6,5,4,5,6,7,6,4,7,5,6,5,7,1) b<-c(1000,60,50,60,50,40,50,60,70,60,40,70,50,60,50,70,10) c<-cbind(a,b) c<-as.data.frame(c) Regards and thanks for help, Rainer

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  • CMYK + CMYK = ? CMYK / 2 = ?

    - by Pete
    Suppose there are two colors defined in CMYK: color1 = 30, 40, 50, 60 color2 = 50, 60, 70, 80 If they were to be printed what values would the resulting color have? color_new = min(cyan1 + cyan2, 100), min(magenta1 + magenta2, 100), min(yellow1 + yellow2, 100), min(black1 + black2, 100)? Suppose there is a color defined in CMYK: color = 40, 30, 30, 100 It is possible to print a color at partial intensity, i.e. as a tint. What values would have a 50% tint of that color? color_new = cyan / 2, magenta / 2, yellow / 2, black / 2? I'm asking this to better understand the "tintTransform" function in PDF Reference 1.7, 4.5.5 Special Color Spaces, DeviceN Color Spaces Update: To better clarify: I'm not entirely concerned with human perception or how the CMYK dyies react to the paper. If someone specifies 90% tint which, when printed, looks like full intensity colorant, that's ok. In other words, if I asking how to compute 50% of cmyk(40, 30, 30, 100) I'm asking how to compute the new values, regardless of whether the result looks half-dark or not. Update 2: I'm confused now. I checked this in InDesign and Acrobat. For example Pantone 3005 has CMYK 100, 34, 0, 2, and its 25% tint has CMYK 25, 8.5, 0, 0.5. Does it mean I can "monkey around in a linear way"?

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  • jQuery UI Rang Slider show divs based on selected range

    - by andi_sf
    I have set up a range slider that should show/hide divs based on their range values - meaning if the range of the one specifies in the div falls into the selected range in the slider it should show - the others hide. Somehow it does not work correctly - if anybody could help that would be greatly appreciated. My code so far: $("#slider").slider({ range: true, min: 150, max: 280, step: 5, values: [150, 280], slide: function(event, ui) { $("#amount").val('Min. Value' + ui.values[0] + ' - Max. Value' + ui.values[1]); }, change: function(event, ui) { $('#col-2 div').each(function(){ var valueS = parseInt($(this).attr("class")); var valueX = parseInt($(this).attr("title")); if (valueS < ui.values[0] && valueX <= ui.values[1] || valueS ui.values[0] && valueX = ui.values[1] ) { $(this).stop().animate({opacity: 0.25}, 500) } else { $(this).stop().animate({opacity: 1.0}, 500) $("#amount").val('Min. Value' + ui.values[0] + ' - Max. Value' + ui.values[1]); } }); } }); $("#amount").val('Min. Value' + $("#slider").slider("values", 0) + ' - Max. Value' + $("#slider").slider("values", 1)); }); I have also posted a sample at: http://www.webdesigneroakland.com/slider/444range_slider.html

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  • RBG to CbyCr conversion code

    - by user1446688
    I am wondering why this code does not work. Basically it is supposed to convert between RGB and CbYCr. When I convert from RGB to CbYCr then back to RGB I do not get the original RGB values. What is wrong with this code? #define MIN(a,b) (((a)<(b))?(a):(b)) #define MAX(a,b) (((a)(b))?(a):(b)) struct _rgb { int R; int G; int B; }; typedef struct _rgb rgb; struct _cbycr { int Cb; int Y; int Cr; }; typedef struct _cbycr cbycr; void cbycr2rgb(rgb *c, double Y, double Cb, double Cr) { int r = (int)(Y + 1.40200 * (Cr - 0x80)); int g = (int)(Y - 0.34414 * (Cb - 0x80) - 0.71414 * (Cr - 0x80)); int b = (int)(Y + 1.77200 * (Cb - 0x80)); c->R = MAX(0, MIN(255, r)); c->G = MAX(0, MIN(255, g)); c->B = MAX(0, MIN(255, b)); } void rgb2cbycr(cbycr *c, int R, int G, int B) { c->Y = (int)(0.299 * R + 0.587 * G + 0.114 * B); c->Cb = (int)(-0.16874 * R - 0.33126 * G + 0.50000 * B); c->Cr =(int)(0.50000 * R - 0.41869 * G - 0.08131 * B); } int main() { cbycr _cbycr; rgb _rgb; _rgb.R = 50; _rgb.G = 50; _rgb.B = 50; rgb2cbycr(&_cbycr, _rgb.R, _rgb.G, _rgb.B); cbycr2rgb(&_rgb, _cbycr.Y, _cbycr.Cb, _cbycr.Cr); printf("rgb=%d %d %d\n", _rgb.R, _rgb.G, _rgb.B); return 0; } output: rgb=0 185 0

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  • C++ find largest BST in a binary tree

    - by fonjibe
    what is your approach to have the largest BST in a binary tree? I refer to this post where a very good implementation for finding if a tree is BST or not is bool isBinarySearchTree(BinaryTree * n, int min=std::numeric_limits<int>::min(), int max=std::numeric_limits<int>::max()) { return !n || (min < n->value && n->value < max && isBinarySearchTree(n->l, min, n->value) && isBinarySearchTree(n->r, n->value, max)); } It is quite easy to implement a solution to find whether a tree contains a binary search tree. i think that the following method makes it: bool includeSomeBST(BinaryTree* n) { if(!isBinarySearchTree(n)) { if(!isBinarySearchTree(n->left)) return isBinarySearchTree(n->right); } else return true; else return true; } but what if i want the largest BST? this is my first idea, BinaryTree largestBST(BinaryTree* n) { if(isBinarySearchTree(n)) return n; if(!isBinarySearchTree(n->left)) { if(!isBinarySearchTree(n->right)) if(includeSomeBST(n->right)) return largestBST(n->right); else if(includeSomeBST(n->left)) return largestBST(n->left); else return NULL; else return n->right; } else return n->left; } but its not telling the largest actually. i struggle to make the comparison. how should it take place? thanks

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