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Draw radius around a point in Google map

I'm using the Google Maps API and have added markers. Now I want to add a 10 mile radius around each marker, meaning a circle that behaves appropriately while zooming. I have no idea how to do that and it seems it's not something common. ...
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Abstract class in Java

...ethod that implements abstractMethod()! So there's no way for the JVM to know what it's supposed to do when it gets something like new ImplementingClass().abstractMethod(). Here's a correct ImplementingClass. public class ImplementingClass extends AbstractClass { public void abstractMethod() ...
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call a static method inside a class?

...o the most common way of calling a static method: self::staticMethod(); Now, before you start thinking that the :: is the static call operator, let me give you another example: self::bar(); This will print baz = 1, which means that $this->bar() and self::bar() do exactly the same thing; tha...
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Are Stored Procedures more efficient, in general, than inline statements on modern RDBMS's? [duplica

...optimizers have limits and cut-offs for performance reasons). It is not unknown for very complicated SQL to have distinct, measurable (I've seen a complicated query take 10+ seconds just to generate a plan, before we tweaked the DBMS) latencies due to the optimizer trying to figure out the "near bes...
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What is the difference between `sorted(list)` vs `list.sort()`?

...ontent is still the same. nums [-3, 1, 4, 5, 7, 8, 9, 14] nums.sort() Now the original nums list is changed and looking at nums we see our original list has changed and is now sorted. nums [-3, 1, 2, 4, 5, 7, 8, 14] ...
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How to get the original value of an attribute in Rails

...flow.com/a/50973808/9359123 Appending _was is deprecated in rails 5.1, now you should append _before_last_save Something like: before_save object do_something_with object.name_before_last_save end Will return the name value before your last save at database (works for save and create) The...
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String literals and escape characters in postgresql

... I was referring to strings in SQL statements, while you are now using a psql command. Do you get the same error using the COPY command instead of \copy? – eppesuig Nov 17 '11 at 12:14 ...
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What does a Ajax call response like 'for (;;); { json data }' mean? [duplicate]

...a via a mechanism where the browser will enforce the SOP, and you have to know about that preface and remove it before deserializing the data. So yeah, it's about controlling (useful) access to that data. share | ...
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How can I display a list view in an Android Alert Dialog?

... This is great, now add icons ;) – AaA Aug 14 '17 at 10:49 1 ...
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“git rm --cached x” vs “git reset head --​ x”?

... commit it, you add it to the tree as well. It will probably help you to know the three more common flags in git reset: git reset [--<mode>] [<commit>] This form resets the current branch head to <commit> and possibly updates the index (resetting it to the tree of <...