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Is there a way to pass optional parameters to a function?
... a function while calling it and in the function definition have some code based on "only if the optional parameter is passed"
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Writing a dict to txt file and reading it back?
I am trying to write a dictionary to a txt file. Then read the dict values by typing the keys with raw_input . I feel like I am just missing one step but I have been looking for a while now.
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How to find all occurrences of an element in a list?
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Sven MarnachSven Marnach
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How to describe “object” arguments in jsdoc?
But how do I describe how the parameters object should be structured? For example it should be something like:
6 Answers
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Why is a 3-way merge advantageous over a 2-way merge?
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Say you and your friend both checked out a file, and made some changes to it. You removed a line at the beginning, and your friend added a line at the end. Then he committed his file, and you need to merge his changes into your copy.
If you were do...
Why does this (null || !TryParse) conditional result in “use of unassigned local variable”?
The following code results in use of unassigned local variable "numberOfGroups" :
3 Answers
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What are 'closures' in .NET?
...on this very topic. (It has lots of examples.)
In essence, a closure is a block of code which can be executed at a later time, but which maintains the environment in which it was first created - i.e. it can still use the local variables etc of the method which created it, even after that method has...
Joining two lists together
... try:
List<string> a = new List<string>();
List<string> b = new List<string>();
a.AddRange(b);
MSDN page for AddRange
This preserves the order of the lists, but it doesn't remove any duplicates which Union would do.
This does change list a. If you wanted to preserve the...
Create a hexadecimal colour based on a string with JavaScript
I want to create a function that will accept any old string (will usually be a single word) and from that somehow generate a hexadecimal value between #000000 and #FFFFFF , so I can use it as a colour for a HTML element.
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Java Round up Any Number
...swer I'm looking for regarding a simple question: how do I round up any number to the nearest int ?
6 Answers
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