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How to unset a JavaScript variable?

...all browsers. Running in real documents, your code examples are correct. I selected your answer as correct, but I'd appreciate it if you can edit it to include explaining window.a = 1; delete window.a; and possibly the mechanism. I can do so as well if you don't mind. – Guss ...
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Changing the size of a column referenced by a schema-bound view in SQL Server

...ethod. not just the return on the search process. view the table class select * from class change the length of the columns FacID (seen as "faci") and classnumber (seen as "classnu") to fit the whole labels. alter table class modify facid varchar (5); alter table class modify classnumber v...
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Image resizing client-side with JavaScript before upload to the server

...ed in a script tag) You can use it as follows: <input type="file" id="select"> <img id="preview"> <script> document.getElementById('select').onchange = function(evt) { ImageTools.resize(this.files[0], { width: 320, // maximum width height: 240 // maximum heigh...
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Determine version of Entity Framework I am using?

..."; var assemblies = System.AppDomain.CurrentDomain.GetAssemblies().Select(x => x.FullName).ToList(); foreach(var asm in assemblies) { var fragments = asm.Split(new char[] { ',', '{', '}' }, StringSplitOptions.RemoveEmptyEntries).Select(x=> x.Trim()).ToList()...
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What is The difference between ListBox and ListView

...ew, but you can easily create your own. Another difference is the default selection mode: it's Single for a ListBox, but Extended for a ListView share | improve this answer | ...
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How do I get a TextBox to only accept numeric input in WPF?

... LengthOfModifiedText(string newText, bool paste) { var countOfSelectedChars = this.AssociatedObject.SelectedText.Length; var caretIndex = this.AssociatedObject.CaretIndex; string text = this.AssociatedObject.Text; if (countOfSelectedChars > 0 || paste) ...
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Window appears off screen on ubuntu [closed]

... Be sure to have the off-screen window selected (use Alt-Tab or Super-W for example). Then hold Alt+F7 and move the window with the cursor keys until it appears in the viewport. When this happens to me the hidden window is usually below the screen (I occasionally...
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How to perform OR condition in django queryset?

...st_name__startswith='D' ) leads to In [5]: str(queryset.query) Out[5]: 'SELECT "auth_user"."id", "auth_user"."password", "auth_user"."last_login", "auth_user"."is_superuser", "auth_user"."username", "auth_user"."first_name", "auth_user"."last_name", "auth_user"."email", "auth_user"."is_staff", "a...
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How can I make Visual Studio wrap lines at 80 characters?

...ions >> Text Editor >> All Languages >> General >> Select Word Wrap. I dont know if you can select a specific number of columns? share | improve this answer | ...
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Flatten List in LINQ

... Try SelectMany() var result = iList.SelectMany( i => i ); share | improve this answer | follow ...