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How to center a button within a div?

... LoktarLoktar 31.5k77 gold badges8181 silver badges9999 bronze badges 22...
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How do I style a dropdown with only CSS?

...To hide the default arrow set appearance: none on the select element, then add your own custom arrow with background-image select { -webkit-appearance: none; -moz-appearance: none; appearance: none; /* Remove default arrow */ background-image: url(...); /* Add custom arrow */ } ...
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System.BadImageFormatException: Could not load file or assembly (from installutil.exe)

...at the most common reason for this exception these days is attempting to load a 32 bit-specific (/platform:x86) DLL into a process that is 64 bit or vice versa (viz. load a 64 bit-specific (/platform:x64) DLL into a process that is 32 bit). If your platform is non-specific (/platform:AnyCpu), this w...
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Rails: How to reference images in CSS within Rails 4

...e issue with Rails 4 on Heroku. When images are compiled they have hashes added to them, yet the reference to those files from within CSS don't have the proper name adjusted. Here's what I mean. I have a file called logo.png. Yet when it shows up on heroku it is viewed as: ...
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Don't reload application when orientation changes

...when the screen is rotated. My app displays a random image when it first loads and rotating the device should not select another random image. How can I (simply) make this behavior stop? ...
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AWS MySQL RDS vs AWS DynamoDB [closed]

... You can read AWS explanation about it here. In short, if you have mainly Lookup queries (and not Join queries), DynamoDB (and other NoSQL DB) is better. If you need to handle a lot of data, you will be limited when using MySQL (and ot...
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Combining C++ and C - how does #ifdef __cplusplus work?

... extern "C" doesn't really change the way that the compiler reads the code. If your code is in a .c file, it will be compiled as C, if it is in a .cpp file, it will be compiled as C++ (unless you do something strange to your configuration). What extern "C" does is affect linkage. C++...
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How can I view all historical changes to a file in SVN

... | sort -n | { # first revision as full text echo read r svn log -r$r $url@HEAD svn cat -r$r $url@HEAD echo # remaining revisions as differences to previous revision while read r do echo svn log -r$r $url@H...
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Why is String.chars() a stream of ints in Java 8?

...cter codes. I guess many people would expect a stream of char s here instead. What was the motivation to design the API this way? ...
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Why does Javascript getYear() return 108?

Why does this javascript return 108 instead of 2008? it gets the day and month correct but not the year? 14 Answers ...