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What is difference between functional and imperative programming languages?
...a pure functional approach to problem solving. Functional programming is a form of declarative programming.
Advantages of Pure Functions:
The primary reason to implement functional transformations as pure functions is that pure functions are composable: that is, self-contained and stateless. These ...
WPF User Control Parent
...u know why this is? The user control has a parent which is the containing form. How do I get a handle to this form?
– Peter Walke
Jun 5 '09 at 15:44
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What is the difference between the remap, noremap, nnoremap and vnoremap mapping commands in Vim?
... the names.
map is the "root" of all recursive mapping commands. The root form applies to "normal", "visual+select", and "operator-pending" modes. (I'm using the term "root" as in linguistics.)
noremap is the "root" of all non-recursive mapping commands. The root form applies to the same modes as ...
Django template how to look up a dictionary value with a variable
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Since I can't comment, let me do this in the form of an answer:
to build on culebrón's answer or Yuji 'Tomita' Tomita's answer, the dictionary passed into the function is in the form of a string, so perhaps use ast.literal_eval to convert the string to a dictionary fir...
Should logger be private static or not
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The advantage of the non-static form is that you can declare it in an (abstract) base class like follows without worrying that the right classname will be used:
protected Log log = new Log4JLogger(getClass());
However its disadvantage is obviously that a...
Which Radio button in the group is checked?
Using WinForms; Is there a better way to find the checked RadioButton for a group? It seems to me that the code below should not be necessary. When you check a different RadioButton then it knows which one to uncheck… so it should know which is checked. How do I pull that information without doing...
Mercurial - all files that changed in a changeset?
...how the list of files. -p means show patch. You can also use a template to format the output to your taste.
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What is the difference between exit(0) and exit(1) in C?
... the value of status is zero or
EXIT_SUCCESS, an implementation-defined form of the status successful termination is
returned. If the value of status is EXIT_FAILURE , an implementation-defined form
of the status unsuccessful termination is returned. Otherwise the status returned is
implem...
getting the ng-object selected with ng-change
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This solution is good if you need to format the value. Using just the Select approach I couldn't format the value easily.
– mbokil
Apr 7 '16 at 15:53
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What does 'predicate' mean in the context of computer science? [duplicate]
...cide whether or not to feed the person.
Predicates are often found in the form of callbacks, but in general we can use the term for any function that returns a bool based on evaluation of the truth of an assertion.
For sorting, might want have the member function
bool Fruit::ComesAfter(Fruit x) ....