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How to print out all the elements of a List in Java?
...rom AbstractCollection is ArrayList. So in this example when toString() is called it finds the ArrayList implementation which is defined in AbstractCollection. Note the inheritance hierarchy for ArrayList: ArrayList -> AbstractList -> AbstractCollection -> Collection -> Iterable -> Ob...
Getting realtime output using subprocess
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@ManuelSchneid3r iter(<callable>, <string>) creates an iterable using each output of the <callable> until it returns the <string> (called sentinel). If you try to run p.stdout.readline many times you see that when it has nothin...
Hiding the scroll bar on an HTML page
Can CSS be used to hide the scroll bar? How would you do this?
21 Answers
21
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Convert float to double without losing precision
...ingDecimal(result.floatValue()).doubleValue()
And this works.
Note that calling result.doubleValue() returns 5623.22998046875
But calling doubleResult.doubleValue() returns correctly 5623.23
But I am not entirely sure if its a correct solution.
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How do I remove an item from a stl vector with a certain value?
...arguments, or is vec.end() guaranteed to be the same on either side of the call to std::remove? It looks to me in reading other parts of the web like this is safe, but it should be stated clearly.
– dmckee --- ex-moderator kitten
Nov 5 '11 at 21:28
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How to remove an item for a OR'd enum?
...type. As such, if you use the AND operator (&) with some value (let's call that value 'X') and the complement of one or more set bits (let's call those bits Q and their complement ~Q), the statement X & ~Q clears any bits that were set in Q from X and returns the result.
So to remove or cl...
How do you decompile a swf file [closed]
...d Oct 19 '10 at 10:21
Ohad SchneiderOhad Schneider
31.7k1010 gold badges145145 silver badges184184 bronze badges
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Split Java String by New Line
... to do it. It is in fact very bad practice. Consider some other programmer calling System.setProperty("line.separator", "you have no point"); Your code is broken. It might even be called similarly by a dependency you have no knowledge about.
– Martin
Dec 16 '14...
Convert base64 string to ArrayBuffer
...ge is loaded.
I would like to do this in javascript without making an ajax call to the server if possible.
9 Answers
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Given a class, see if instance has method (Ruby)
...nd
then read this:
In Ruby, a property (attribute) on your model is basically a method also. So method_defined? will also return true for properties, not just methods.
For example:
Given an instance of a class that has a String attribute first_name:
<instance>.first_name.class #=> Str...