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How to delete all Annotations on a MKMapView
...ncluding the user location pin "Blue Pin". To remove all map
annotations and keep the user location pin on the map, there are two
possible ways to do that
Example 1, retain the user location annotation, remove all pins, add
the user location pin back, but there is a flaw with this approac...
Why does JPA have a @Transient annotation?
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Not sure I'm understanding you, but have a look at "Pascal Thivent"'s answer ;)
– Jawher
Jan 28 '10 at 15:46
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How to find out which view is focused?
I need to find out if any view is focused inside an Activity and what view it is. How to do this?
6 Answers
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Numbering rows within groups in a data frame
...g this approach, make sure that you are not getting conflicts between plyr and dplyr as explained in this post It can be avoided by explicitly calling dplyr::mutate(...)
– EcologyTom
Apr 10 '18 at 14:16
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How does this checkbox recaptcha work and how can I use it?
...signed up to the oneplusone website https://account.oneplus.net/sign-up , and noticed this checkbox recaptcha
5 Answers
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How to Programmatically Add Views to Views
Let's say I have a LinearLayout , and I want to add a View to it, in my program from the Java code. What method is used for this? I'm not asking how it's done in XML, which I do know, but rather, how can I do something along the lines of this sample code?
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How do I typedef a function pointer with the C++11 using syntax?
...pe_traits>
using FunctionPtr = std::add_pointer<void()>::type;
And here is another demo.
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How do you test a public/private DSA keypair?
... that a given private key matches a given public key? I have a few *.pub and a few *.key files, and I need to check which go with which.
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Difference between app.use and app.get in express.js
I'm kind of new to express and node.js, and I can't figure out the difference between app.use and app.get. It seems like you can use both of them to send information. For example:
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Is there a way of having git show lines added, lines changed and lines removed?
"git diff --stat" and "git log --stat" show output like:
5 Answers
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