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What is tail recursion?
...ll, the running_total is updated.
Note: The original answer used examples from Python. These have been changed to JavaScript, since Python interpreters don't support tail call optimization. However, while tail call optimization is part of the ECMAScript 2015 spec, most JavaScript interpreters don't...
Can I make a function available in every controller in angular?
If I have a utility function foo that I want to be able to call from anywhere inside of my ng-app declaration. Is there someway I can make it globally accessible in my module setup or do I need to add it to the scope in every controller?
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Get int value from enum in C#
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On a related note, if you want to get the int value from System.Enum, then given e here:
Enum e = Question.Role;
You can use:
int i = Convert.ToInt32(e);
int i = (int)(object)e;
int i = (int)Enum.Parse(e.GetType(), e.ToString());
int i = (int)Enum.ToObject(e.GetType(), e);...
Cluster analysis in R: determine the optimal number of clusters
...04935647
[10,] 3.445291 4.369232 0.9239414 0.05055486
Here's the output from Edwin Chen's implementation of the gap statistic:
Seven. You may also find it useful to explore your data with clustergrams to visualize cluster assignment, see http://www.r-statistics.com/2010/06/clustergram-visualiza...
Error when changing to master branch: my local changes would be overwritten by checkout
...le and the branch that you are switching to has changes for this file too (from latest merge point).
Your options, as I see it, are - commit, and then amend this commit with extra changes (you can modify commits in git, as long as they're not pushed); or - use stash:
git stash save your-file-name
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What is the difference between a User Control Library and a Custom Control Library?
...imited than a full custom control.
These controls have a small difference from a runtime point of view. When building an application and placing an UserControl into it, the control tree will have a concrete UserControl template inside of it. So if we consider a lame example of a specialized button....
WPF: How to programmatically remove focus from a TextBox
...tBox inside a ListBox does not lose focus when I run Keyboard.ClearFocus() from code-behind after a click somewhere.
– ANeves thinks SE is evil
Jul 30 '15 at 11:10
3
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Any way to write a Windows .bat file to kill processes? [closed]
...pp just to get decent performance out of my IDE. Yes, these are processes from programs that my company installs on my machine for security and compliance. What I'd like to do is have a .bat file or script of some kind with which I can kill the processes in question.
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What's the difference between a word and byte?
...t to set/clear single bits, you first need to fetch the corresponding byte from memory, mess with the bits and then write the byte back to memory.
The word by contrast is biggest chunk of bits with which a processor can do processing (like addition and subtraction) at a time. That definition is a b...
Repository Pattern vs DAL
...e services and the database it will take you down another.
The repository from my perspective is just a clearly specified layer of access to data.Or in other words a standardized way to implement your Data Access Layer. There are some differences between different repository implementations, but th...