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What is the MySQL VARCHAR max size?

...ySQL table has a maximum row size limit of 65,535 bytes, not counting BLOB and TEXT types. BLOB and TEXT columns only contribute 9 to 12 bytes toward the row size limit because their contents are stored separately from the rest of the row. Read more about Limits on Table Column Count and Row Size. ...
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Why is f(i = -1, i = -1) undefined behavior?

I was reading about order of evaluation violations , and they give an example that puzzles me. 11 Answers ...
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UIActivityViewController crashing on iOS 8 iPads

... Xcode 6 (Beta 6). UIActivityViewController works fine with iPhone devices and simulators but crashes with iPad simulators and devices (iOS 8) with following logs ...
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Is there any kind of hash code function in JavaScript?

...d, alternatively, maintain an array which indexes the objects in question, and use its index string as a reference to the object. Something like this: var ObjectReference = []; ObjectReference.push(obj); set['ObjectReference.' + ObjectReference.indexOf(obj)] = true; Obviously it's a little verbo...
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Is there a rule-of-thumb for how to divide a dataset into training and validation sets?

Is there a rule-of-thumb for how to best divide data into training and validation sets? Is an even 50/50 split advisable? Or are there clear advantages of having more training data relative to validation data (or vice versa)? Or is this choice pretty much application dependent? ...
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How can I make a TextArea 100% width without overflowing when padding is present in CSS?

I have the following CSS and HTML snippet being rendered. 15 Answers 15 ...
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Difference between Rebuild and Clean + Build in Visual Studio

What is the difference between just a Rebuild and doing a Clean + Build in Visual Studio 2008? Is Clean + Build different then doing Clean + Rebuild ? ...
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Why are const parameters not allowed in C#?

...her C++ specific reasons, like passing const ref in order to pass by ref and be sure that state will not be changed. But why can't we mark as method parameters const in C#? ...
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Why does PHP 5.2+ disallow abstract static class methods?

After enabling strict warnings in PHP 5.2, I saw a load of strict standards warnings from a project that was originally written without strict warnings: ...
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Why does C++11 not support designated initializer lists as C99? [closed]

... constructor. This is the sort of abstraction C++ promotes. On the other hand the designated initializers feature is more about exposing and making members easy to access directly in client code. This leads to things like having a person of age 18 (years?) but with height and weight of zero. In ...