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Printing HashMap In Java
..., you should iterate this key set and the get the value from the hashmap using these keys.
In your example, the type of the hashmap's key is TypeKey, but you specified TypeValue in your generic for-loop, so it cannot be compiled. You should change it to :
for (TypeKey name: example.keySet()){
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C++ Convert string (or char*) to wstring (or wchar_t*)
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Assuming that the input string in your example (おはよう) is a UTF-8 encoded (which it isn't, by the looks of it, but let's assume it is for the sake of this explanation :-)) representation of a Unicode string of your interest...
How to round the corners of a button
... and want to use it to fill the background of a button with rounded corner in xcode.
15 Answers
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href=“tel:” and mobile numbers
If I use tel: I should write the international phone code, like that.
5 Answers
5
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How do you append an int to a string in C++? [duplicate]
I'd like it to print Player 4 .
20 Answers
20
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UICollectionView Set number of columns
I just started learning about UICollectionViews. I'm wondering if anyone knows how to specify the number of columns in a collectionview. The default is set to 3 (iPhone/portrait). I've looked at the documentation and can't seem to find a concise answer.
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Windows recursive grep command-line
I need to do a recursive grep in Windows, something like this in Unix/Linux:
8 Answers
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SQL query to select dates between two dates
I have a start_date and end_date . I want to get the list of dates in between these two dates. Can anyone help me pointing the mistake in my query.
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Value cannot be null. Parameter name: source
...is is probably the biggest waste of time problem I have spent hours on solving for a long time.
18 Answers
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How to clear all the jobs from Sidekiq?
I am using sidekiq for background tasks in Rails application. Now the numbers of jobs becomes more, so I want to clear all the jobs. I tried the following command in console
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