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PHP Fatal error: Using $this when not in object context

...ot point to $this->foo. It references a class constant. Both, self::foo and self::$foo would raise a Fatal Error. – Gordon Feb 28 '10 at 12:34 ...
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Force drop mysql bypassing foreign key constraint

I'm trying to delete all tables from a database except one, and I end up having the following error: 6 Answers ...
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Difference between Label and TextBlock

... control. It derives directly from FrameworkElement. Label, on the other hand, derives from ContentControl. This means that Label can: Be given a custom control template (via the Template property). Display data other than just a string (via the Content property). Apply a DataTemplate to its cont...
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Create aar file in Android Studio

I'd like to create an aar file for my library in Android Studio, i would've gone with a jar option but my library has resources. ...
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How do C++ class members get initialized if I don't do it explicitly?

...ve a class with private memebers ptr , name , pname , rname , crname and age . What happens if I don't initialize them myself? Here is an example: ...
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Is Enabling Double Escaping Dangerous?

...ath. Finally, a very simple, if limited workaround is simply to avoid '+' and use '%20' instead. In any case, using the '+' symbol to encode a space is not valid url encoding, but specific to a limited set of protocols and probably widely supported for backwards-compatibility reasons. If only for...
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CSS Properties: Display vs. Visibility

...n - you can't see it). The display property tells the browser how to draw and show an element, if at all - whether it should be displayed as an inline element (i.e. it flows with text and other inline elements) or a block-level element (i.e. it has height and width properties that you can set, it's...
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Read file from line 2 or skip header row

How can I skip the header row and start reading a file from line2? 8 Answers 8 ...
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Convert hex to binary

...ual bytes, but it does not convert it to a printable representation as "0" and "1". – Matt Good Sep 15 '09 at 6:52 doc...
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How to suppress GCC warnings from library headers?

...des (i.e. #include ) or includes from certain paths? I'd like to use -Wall and/or -Wextra as usual on project code without relevant info being obscured. I currently use grep on make output but I'd like something better. ...