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How can I make space between two buttons in same div?

...uestion was for Bootstrap 2.x, but the same is still valid for Bootstrap 3 and Bootstrap 4. In Bootstrap 4 you will need to add appropriate margin to your groups using utility classes, such as mx-2. share | ...
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How do I run Asynchronous callbacks in Playground

Many Cocoa and CocoaTouch methods have completion callbacks implemented as blocks in Objective-C and Closures in Swift. However, when trying these out in Playground, the completion is never called. For example: ...
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Is there any method to get the URL without query string?

...o within specs (both the specs for what window.location.href should return and the specs for how URL's work) so it shouldn't have any future problems. It's more easily read and understood for cleaner code. It's shorter for smaller code. And lastly it's less intense and less complicated than Felix's ...
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How to write a JSON file in C#?

...that: Json.NET has always been memory efficient, streaming the reading and writing large documents rather than loading them entirely into memory, but I was able to find a couple of key places where object allocations could be reduced...... (now) Json.Net (6.0) allocates 8 times less memory than ...
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Why does my 'git branch' have no master?

I'm a git newbie and I keep reading about a "master" branch. Is "master" just a conventional name that people used or does it have special meaning like HEAD ? ...
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Does Flask support regular expressions in its URL routing?

I understand that Flask has the int, float and path converters, but the application we're developing has more complex patterns in its URLs. ...
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codestyle; put javadoc before or after annotation?

... before or after the annotation. What would we want to adopt as a coding standard? 5 Answers ...
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Java generics - why is “extends T” allowed but not “implements T”?

...lass 'implements' or 'extends'. The constraint possibilities are 'extends' and 'super' - that is, is this class to operate with assignable to that other one (extends), or is this class assignable from that one (super). share...
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How do I rotate the Android emulator display? [duplicate]

How can I rotate the Android emulator display to see it in landscape mode? 23 Answers ...
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Is a one column table good design? [closed]

...m. Maybe you just want a list of possibilities to display for some reason and you want to be able to dynamically change it, but have no need to link it to another table. share | improve this answer...