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How do I test for an empty JavaScript object?

...do you post answer including jQuery if the question is not about jQuery at all? – Eru Oct 1 '12 at 14:10 48 ...
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Why isn't sizeof for a struct equal to the sum of sizeof of each member?

... errors. Here's an example using typical settings for an x86 processor (all used 32 and 64 bit modes): struct X { short s; /* 2 bytes */ /* 2 padding bytes */ int i; /* 4 bytes */ char c; /* 1 byte */ /* 3 padding bytes */ }; struct Y { int i; /* 4...
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printf with std::string?

...f what it expects definitely won't give you the results you want. It's actually undefined behaviour, so anything at all could happen. The easiest way to fix this, since you're using C++, is printing it normally with std::cout, since std::string supports that through operator overloading: std::cout...
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Toggle button using two image on different state

...android:background="@null" and android:drawableRight="@drawable/check". Usually I've found toggle buttons are right-justified. If you need it left-justified, use android:drawableLeft – Patrick Jun 1 '15 at 10:39 ...
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Understanding Fragment's setRetainInstance(boolean)

... First of all, check out my post on retained Fragments. It might help. Now to answer your questions: Does the fragment also retain its view state, or will this be recreated on configuration change - what exactly is "retained"? Y...
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Error: Jump to case label

...code, if foo equals 1, everything is ok, but if it equals 2, we'll accidentally use the i variable which does exist but probably contains garbage. switch(foo) { case 1: int i = 42; // i exists all the way to the end of the switch dostuff(i); break; case 2: dostuff(i*2); // i is ...
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_=> what does this underscore mean in Lambda expressions?

What does an lambda expression like _=> expr mean? 5 Answers 5 ...
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Could not reserve enough space for object heap

... Anyone found a solution that actually work 100% of the time? This solution solves the problem temporarily but then suddenly it comes back. I've got 16GB ram and I'm tired of this sh*t. Everything was better in the old days :[ – Nilzor ...
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Getting activity from context in android

...erwards you will have a Context in the layout, but you will know it is actually your Activity and you can cast it so that you have what you need: Activity activity = (Activity) context; share | im...
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Circular (or cyclic) imports in Python

... There was a really good discussion on this over at comp.lang.python last year. It answers your question pretty thoroughly. Imports are pretty straightforward really. Just remember the following: 'import' and 'from xxx import yyy' ...