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What is Android keystore file, and what is it used for?
...is is a general question, but particularly I am interested in it's use for Android. What is a keystore file, and what is it used for?
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How and why does 'a'['toUpperCase']() in JavaScript work?
JavaScript keeps surprising me and this is another instance. I just came across some code which I did not understood at first. So I debugged it and came to this finding:
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Lowercase JSON key names with JSON Marshal in Go
... or some other settings. Well, this is the exact answer I was looking for! And in addition, I have a new Go concept to learn about: field tags :)
– ANisus
Jul 27 '12 at 19:18
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Check if a number is int or float
... isinstance(False, (int, float)) = True), I needed not isinstance(n, bool) and isinstance(n, (int, float)) instead
– YTZ
Jun 7 at 16:53
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Why do assignment statements return a value?
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To my understanding, assignment s = "Hello"; should only cause "Hello" to be assigned to s, but the operation shouldn’t return any value.
Your understanding is 100% incorrect. Can you explain why you believe this false thing?
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If string is empty then return some default value
Often I need to check if some value is blank and write that "No data present" like that:
6 Answers
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Adding n hours to a date in Java?
... found another example using days on StackOverflow, but still don't understand how to do it with hours.
15 Answers
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What is the HEAD in git?
There seems to be a difference between the last commit, the HEAD and the state of the file I can see in my directory.
5 Ans...
How Does Modulus Divison Work
I don't really understand how modulus division works.
I was calculating 27 % 16 and wound up with 11 and I don't understand why.
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What do commas and spaces in multiple classes mean in CSS?
Here is an example that I do not understand:
9 Answers
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