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Java reflection - impact of setAccessible(true)

I'm using some annotations to dynamically set values of fields in classes. Since I want to do this regardless of whether it's public, protected, or private, I am a calling setAccessible(true) on the Field object every time before calling the set() method. My question is what kind of impact does ...
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Nested rows with bootstrap grid system?

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Using a BOOL property

Apple recommends to declare a BOOL property this way: 3 Answers 3 ...
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Linq to Entities join vs groupjoin

I have web searched but I still cant find a simple answer. Can someone please explain (in simple English) what a GroupJoin is? How is it different from a regular inner Join ? Is it commonly used? Is it only for method syntax? What about query syntax? A c# code example would be nice. ...
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Why does Python code run faster in a function?

This piece of code in Python runs in (Note: The timing is done with the time function in BASH in Linux.) 3 Answers ...
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cannot convert data (type interface {}) to type string: need type assertion

I am pretty new to go and I was playing with this notify package. 4 Answers 4 ...
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How is the “greater than” or “>” character used in CSS?

I have seen this character a number of times in CSS files but I have no idea how its used. Can anyone explain it to me and show how they are useful in making a page style easier? ...
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How do I change the highlight style in Vim spellcheck?

...set spell in my Vim, I get spelling errors highlighted as if they are selected text. What I want is an MS-Word like underlining of spelling errors. I tried to lookup :help spell but could not find a clue. Any help is appreciated. ...
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The Ruby %r{ } expression

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How to specify the order of CSS classes?

I'm a little confused about CSS and the class attribute. I always thought, the order in which I specify multiple classes in the attribute value has a meaning. The later class could/should overwrite definitions of the previous, but this doesn't seem to work. Here's an example: ...