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• UITextfield check if its a number

  - by Jacob

  Hi, How can I check if a user enters a number in my UITextField. Basically its a mark im accepting between 0-100 and it can be a decimal....I heard i can try to convert it to a NSNumber type and see if it returns null. Not suree Any help would be appreciated. I have tried if(grade.text doubleValue] == 0){ //Not a number } but then it still can accept "23f". Thanks

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• Check for internet access with monotouch

  - by jstawski

  How can I check internet access with MonoTouch? I don't care if the internet comes from a WIFI or the Cell Network, all I care is whether there is internet access or not.

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• PHP - Check that value doesn't appear twice in array

  - by Industrial

  Hi, I have a array inside my PHP app that looks like this: Array ( [0] => Array ( [name] => Name1 [language] => 1 ) [1] => Array ( [name] => Name2 [language] => 1 ) ) How can I check that "language" with value 1 doesnt appear twice, as effectively as possible?

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• jQuery check status

  - by Happy

  This function everytime gives "false", even if image_url exists // some .each { var item = $('.item', this); $.ajax({ url: image_url, success: function() { item.html("true"); }, error: function() { item.html("false"); } }); // } Its used to check existance of image_url file - this variable gives url like http://blog.com/teddybear.png Any idea?

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• Check a Date is between two dates in Java

  - by dimitar

  Hello guys, One thing I want to know is how to calculate what date will it be 10 days from today. Second thing is to check if one Date is between two other Dates. For example, let's say I have an app that shows what events I need to do in the next 10 days (planner). Now how can I see if the date I assigned to an event is between today and the date that is 10 days from today?

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• Check for Windsor Container Component Instance

  - by jeffn825

  How can I use my Windsor container to check if an instance (not just a component) has been registered? ie. container.ContainsInstance(typeof(MyType)) [EDIT] Another way of writing this might be Kernel.GetAssignableHandlers(typeof(object)) .Where(handler => handler.Service == typeof(MyType) || handler.ComponentModel.Implementation == typeof(MyType)) .Any(handler => handler.***Instance*** != null) Note that the property Instance doesn't exist in the API. Thanks.

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• Check if Ruby object is a Boolean

  - by viatropos

  Can't seem to find how to check if an object is a boolean easily. Is there something like this in Ruby? true.is_a?(Boolean) false.is_a?(Boolean) Right now I'm doing this and would like to shorten it: some_var = rand(1) == 1 ? true : false (some_var.is_a?(TrueClass) || some_var.is_a?(FalseClass))

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• How to check flash and javascript installed/enable/disable on browser using JQuery

  - by MKS

  Hi Guys, I am using JQuery. I have got one link as given below: <li><a href="http://staging/english/Skywards/skywards.aspx" id="skywardsTopLoginLink">Login</a></li> Now I want to check on page load whether Flash/javascript is installed or disabled and according to output the Login link will work, I mean if flash/javascript is disabled or not installed then it will go to the above Href else it will open jQuery model dialog box for login functionality

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• Anyway to error check PHP in Dreamweaver?

  - by user60310

  I do all my PHP coding in Dreamweaver (currently version CS3) I am used to it and like it. There is one thing I would like though, is to be able to check for errors. Currently I don't see them until I upload the page to a server. Is there anyway to setup PHP error checking in Dreamweaver? Thanks.

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• Check if elemntFromPoint() bumps into a hyperlink

  - by alexeyndru

  I am using elemntFromPoint in order to return onclick some element. I would like to check if the returned element ('span' div' whatever...) is part of a link or if it is a button etc. How should I start? Thanks.

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• SSIS File exist check without script task

  - by Pramodtech

  Is there any way to check if file exist without script task? May be foreach loop container or something else..

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• How to check how many times something occurs in a string in PHP

  - by John

  I want to check how many instances of the letter "a" appears in a certain string. What is the function for this? I need it to return an integer value.

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• PHP How do I properly check if an array is multi-dimensional - strange array behavior

  - by niggles

  If I have this array: $foo[0] = 'bar'; $foo[1] = 'bar bar'; echo $foo[0][1]; // result a // i.e the second letter of 'bar' I want to check that $foo[0][1] is not set i.e if I had: $foo[0][1] = 'bar'; it would evaluate to true, but in my original example of $foo[0] = 'bar' I would expect that: isset($foo[0][1]) would return false; What's the correct way to test that please.

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• Check/Uncheck ToolBarButton on Property Changed

  - by Mohsan

  hi i have property named. public bool ShowLabels{get; set;} and one toolbar menu button to set/unset ShowLabels value i wants that when value of ShowLabels property changed it also change the check state of menu item button. how i can do this

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• jQuery: Check for increased font size

  - by Patrick Oscity

  Can i check with jQuery whether the User increased the font size and bind a function to this event, to recalculate some stuff when this happens?

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• Check if a javascript file is already loaded on a page

  - by Dave

  How to check in C# if a javascript file is already loaded on to the page? Let's say I have a user control in a different namespace that I load on to a page. I would like to see if a script file doesn't exist before I register it with the scriptmanager.

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• how to check radius of 10 meter from x,y position - from GPS

  - by Gold

  hi i have this position from GPS: 40.715192,-74.005795 how to check if i in the range of 10 meter radius ? thank's in advance

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• Visual Studio TeamExplorer disable project check-in

  - by Tim

  I need to disable check-in operation for several projects in my solution. I need it to safe myself from uploading changes to read-only projects. Does this option exist for Team Explorer?

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• How to check if a character is a non-word boundary

  - by michael

  In Java regular expression, it has "\B" as a non-word boundary. http://java.sun.com/j2se/1.4.2/docs/api/java/util/regex/Pattern.html If I have a 'char', how can I check it is a non-word boundary? Thank you.

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• Empty String Check in Trigger

  - by Asim Sajjad

  How can I check the empty string in triggers <Trigger Property="Source" SourceName="ControlName" Value=""> <Setter Property="Height" Value="0" TargetName="ControlName" /> </Trigger> I have set the Height of the Control to 0 if the source of the imageControl is empty stirnr or not set? How can I do it, Basically If the image is not set then I want to hide the image control in the template. thanks in advance.

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• Listbox with checkboxes and single check in Silverlight

  - by walkor

  Hello, everyone. I need a ListBox which will contain several options. I need checkboxes exactly(style), not radio buttons. Is there any way i can allow only 1 checked checkbox at the moment? I'm using MVVM, so i can't just check or uncheck them manually, it's against the rules.

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• Looking for any tool for check C# program on types of OS on one computer

  - by Gold

  hi i'am Looking for any tool for check C# program on type's of OS on one computer for example: Win 98....Win XP...Vista...7... is there any free and good tool ? thank's in advancec

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• How to check if element have any text

  - by user3611403

  How can I check, if element does have any text? I have found some code, but it does not work. I need to do something like this: If element has text, write this, if not, write something else. if (!$('.flexslider .item:first p').text().trim().length) { var text = $(this).text(); $('.text-anim-sphone').html(text); } else { $('.text-anim-sphone').html('welcome'); }

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• drupal module, check if node type

  - by Mark

  As a more specific take on this question: http://stackoverflow.com/questions/2985518/drupal-jquery-1-4-on-specific-pages How do I check, inside a module, whether or not a node is a certain type to be able to do certain things to the node. Thanks

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• Check in Javascript if a SSL Certificate is valid

  - by MB

  Hi. Is there a way to check in Javascript if given a host it's SSL certificate is valid? (non blocking) In my case I want to display: "you can also use https://.." if via javascript I can make a request to https://my_url without being asked to accept an untrusted certificate. Can this be done asynchonously? -- M.

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