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How do I test a private function or a class that has private methods, fields or inner classes?
...en Design is helpful. It helps you figure out what needs to be exposed in order to validate behavior.
– Thorbjørn Ravn Andersen
Jul 18 '13 at 18:46
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What does the “Just” syntax mean in Haskell?
...nalysis of values that belong to types with more than one constructor.
In order to use a Maybe a value in a pattern match, you need to provide a pattern for each constructor, like so:
case maybeVal of
Nothing -> "There is nothing!"
Just val -> "There is a value, and it is " ++ (sh...
How to specialize std::hash::operator() for user-defined type in unordered containers?
To support user-defined key types in std::unordered_set<Key> and std::unordered_map<Key, Value>
one has to provide operator==(Key, Key) and a hash functor:
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What is the difference between a string and a byte string?
...e possible) - and you need to know which applies in the particular case in order to do the conversion, since a different encoding may map the same bytes to a different string:
>>> b'\xcf\x84o\xcf\x81\xce\xbdo\xcf\x82'.decode('utf-16')
'蓏콯캁澽苏'
>>> b'\xcf\x84o\xcf\x81\xce...
difference between width auto and width 100 percent
...al space within its containing block. If it has any horizontal padding or border, the widths of those do not add to the total width of the element.
Width 100%
On the other hand, if you specify width:100%, the element’s total width will be 100% of its containing block plus any horizontal mar...
What is the difference between min SDK version/target SDK version vs. compile SDK version?
... Android that the build tools uses to compile and build the application in order to release, run, or debug.
Usually the compile sdk version and the target sdk version are the same.
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Traits vs. interfaces
...a base class is overridden by a member inserted by a Trait. The precedence order is that members from the current class override Trait methods, which in return override inherited methods.
So - consider the following scenario:
class BaseClass {
function SomeMethod() { /* Do stuff here */ }
}
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Failed to execute 'btoa' on 'Window': The string to be encoded contains characters outside of the La
...ItaloBorssatto It was the only solution that worked for me. I needed it in order to grab the d3 svg chart, serialize it using XMLSerializer, pass it into btoa() (this is where I used your solution) to create a base-64 encoded ASCII string, then pass it into image element which is then drawn into can...
HEAD and ORIG_HEAD in Git
...anch". that's why when you in detached head , you do git branch foo -b in order to "create" a branch for that orphans commits.
– Royi Namir
Mar 11 '19 at 11:41
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Word wrap for a label in Windows Forms
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In order to break on characters rather than words (useful when you have long strings without spaces such as file paths), use (TextFormatFlags.WordBreak | TextFormatFlags.TextBoxControl) instead. See the last post in the same MSD...