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What is the difference between :focus and :active?

What is the difference between the :focus and :active pseudo-classes? 7 Answers 7 ...
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z-index not working with fixed positioning

I have a div with default positioning (i.e. position:static ) and a div with a fixed position. 8 Answers ...
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How to tell Xcode where my info.plist and .pch files are

I renamed my project and it's files and now Xcode is still looking for the old info.plist file. Where do I set the locations of the .plist and .pch files that it needs. ...
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What is the difference between Scope_Identity(), Identity(), @@Identity, and Ident_Current()?

I know Scope_Identity() , Identity() , @@Identity , and Ident_Current() all get the value of the identity column, but I would love to know the difference. ...
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How to create .ipa file using Xcode?

...lick Product > Archive > once this is complete open up the Organiser and click the latest version. Step 3: Click on Export... option from right side of organiser window. Step 4: Select a method for export > Choose correct signing > Save to Destination. Xcode 10.0 Step 3: From R...
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Functional design patterns [closed]

.... Can anyone recommend an article/book which covers them well in one place and which can be accessible to a programmer with intermediate skills in FP? ...
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Naming convention - underscore in C++ and C# variables

..., its use is always somewhat different to each person. Here's how I understand them for the two languages in question: In C++, an underscore usually indicates a private member variable. In C#, I usually see it used only when defining the underlying private member variable for a public property. Ot...
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What are the uses for Cross Join?

... If you have a "grid" that you want to populate completely, like size and color information for a particular article of clothing: select size, color from sizes CROSS JOIN colors Maybe you want a table that contains a row for every minute in the day, and you want to use it to ver...
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Why do == comparisons with Integer.valueOf(String) give different results for 127 and 128?

...returning an Integer object, which may have its values cached between -128 and 127. This is why the first value returns true - it's cached - and the second value returns false - 128 isn't a cached value, so you're getting two separate Integer instances. It is important to note that you are compari...
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Android: TextView: Remove spacing and padding on top and bottom

... setIncludeFontPadding (boolean includepad) or in XML this would be: android:includeFontPadding="false" Set whether the TextView includes extra top and bottom padding to make room for accents that go above the normal ascent and descent. The default is true. ...