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Android Endless List
... be added to your list, and threshold is the number of list items (counted from the end) that should, if visible, trigger the loading process. If you set threshold to 0, for instance, the user has to scroll to the very end of the list in order to load more items.
(optional) As you can see, the "load...
How to find out if an item is present in a std::vector?
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You can use std::find from <algorithm>:
#include <vector>
vector<int> vec;
//can have other data types instead of int but must same datatype as item
std::find(vec.begin(), vec.end(), item) != vec.end()
This returns a bool (t...
Is errno thread-safe?
... identifier of an object. It might expand to a modifiable lvalue resulting from a function call (for example, *errno()).
Generally, errno is a macro which calls a function returning the address of the error number for the current thread, then dereferences it.
Here is what I have on Linux, in /usr...
Python how to write to a binary file?
...ry vs. text mode means in 2.x. It doesn't matter what type your bytes come from. (In 3.x, of course, binary vs. text mode means that you write bytes vs. unicode, and the \r\n feature is part of the universal newlines options for text.)
– abarnert
Dec 13 '14 at ...
Convert a float64 to an int in Go
... in Go? I know the strconv package can be used to convert anything to or from a string, but not between data types where one isn't a string. I know I can use fmt.Sprintf to convert anything to a string, and then strconv it to the data type I need, but this extra conversion seems a bit clumsy -...
Shiro vs. SpringSecurity [closed]
...ingSecurity would be the right Choice, but Spring security seems to suffer from excessive complexity, it certainly does not seem like it is making security easier to implement, Shiro seems to be much more coherent and easier to understand. I am looking for lists of pros and cons between these two fr...
Using Mockito to test abstract classes
... test an abstract class. Sure, I can manually write a mock that inherits from the class.
11 Answers
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RVM: Uninstalling all gems of a gemset
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rvm gemset empty <gemset name>
This will remove all gems from your mentioned gemset.
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What is the difference between lock and Mutex?
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As I have understood from the answers and the examples for mutex here msdn.microsoft.com/en-us/library/… : an unnamed mutex acts same as a lock. However mutex.WaitOne(1000) gives us a chance to timeout the lock. On the other hand, Monitor.TryEn...
Rspec, Rails: how to test private methods of controllers?
... directly, they can and should be tested indirectly by exercising the code from public methods.
This allows you to change the internals of your code down the road without having to change your tests.
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