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Why do we need a fieldset tag?

... without using tables. The fieldset tag can be used to create boxes around selected elements and the legend tag will give a caption to those elements. In this way form elements can be grouped together into identified categories. Different browsers may display the default fieldset border in differen...
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A html space is showing as %2520 instead of %20

...I assume because you are not solving the matter, just covering it up - the root cause it still somewhere there, and you're doing double work ( somewhere you are accidentally encoding twice, and somewhere else you're decoding manually in order to cover it up ). Assuming you want to do things "proper...
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How can I reliably determine the type of a variable that is declared using var at design time?

...o resolve the type. For instance: var items = myList.OfType<Foo>().Select(foo => foo.Bar); The return type is IEnumerable<Bar>, but resolving this required knowing: myList is of type that implements IEnumerable. There is an extension method OfType<T> that applies to IEnume...
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What's an easy way to read random line from a file in Unix command line?

...he whole file needs to get shuffled by sort before piping it to head. shuf selects random lines from the file, instead and is much faster for me. – Bengt Nov 25 '12 at 17:33 1 ...
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Where is the warnings screen option in Android Studio?

...bar, you click Analyze -> Inspect Code; then in the window that pops up select how much of your project you want to inspect (I usually do Whole Project, but you might want to select a specific module), then click okay. Android Studio will work for a bit, then the inspection window will pop up f...
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How to get elements with multiple classes

...document.getElementsByClassName("class1 class2"); var list = document.querySelectorAll(".class1.class2"); OR (at least one class) var list = document.querySelectorAll(".class1,.class2"); XOR (one class but not the other) var list = document.querySelectorAll(".class1:not(.class2),.class2:not(.c...
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How to list records with date from the last 10 days?

...date) Why don't you just try it? The standard ANSI SQL format would be: SELECT Table.date FROM Table WHERE date > current_date - interval '10' day; I prefer that format as it makes things easier to read (but it is the same as current_date - 10). ...
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Returning anonymous type in C#

...C = new MyDC()) { var TheQueryFromDB = (.... select new { SomeVariable = ...., AnotherVariable = ....} ).ToList(); return TheQueryFromDB .Select(s => ( SomeVariable...
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How do I turn off the unlimited whitespace in IntelliJ editor?

... If the other answers don't seem to be working, you might have Column Selection Mode enabled. On my Mac it's mapped to Cmd+Shift+8. It's located under the Edit menu. That menu item will show a little checkmark when the mode is enabled. ...
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Update ViewPager dynamically?

...ybe some example please!!! i have a listview with list of cities and after selecting city opens viewpager (3 pages) with information about this city. it works ok. but after selecting another city viewpager shows only the 3d page on refreshes the 1-st page only after swiping pages? thw 2d page is alw...