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Using Linq to get the last N elements of a collection?
...ch preserves item order without a dependency on any sorting, and has broad compatibility across several LINQ providers.
It is important to take care not to call Skip with a negative number. Some providers, such as the Entity Framework, will produce an ArgumentException when presented with a negativ...
What is the difference between 'E', 'T', and '?' for Java generics?
I come across Java code like this:
6 Answers
6
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Why would a JavaScript variable start with a dollar sign? [duplicate]
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Very common use in jQuery is to distinguish jQuery objects stored in variables from other variables.
For example, I would define:
var $email = $("#email"); // refers to the jQuery object representation of the dom object
var em...
How do I push a local repo to Bitbucket using SourceTree without creating a repo on bitbucket first?
...ks like ssh://git@bitbucket.org/<username>/<reponame>.git. I recommend just using https)
BitBucket is great for private repos, but you'll need to set up an ssh key to authorize your computer to work with your BitBucket account. Luckily Sourcetree makes it relatively simple:
Creating a ...
What is self-documenting code and can it replace well documented code? [closed]
I have a colleague who insists that his code doesn't need comments, it's "self documenting."
44 Answers
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unit testing of private functions with mocha and node.js
...y used here. It might mean checking process.env or something else that can communicate to the module "you're being tested now". The instances where I've had to do this were in a RequireJS environment, and I've used module.config for this purpose.
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How to decide font color in white or black depending on background color?
...hold of 186 is based on theory, but can be adjusted to taste. Based on the comments below a threshold of 150 may work better for you.
Edit: The above is simple and works reasonably well, and seems to have good acceptance here at StackOverflow. However, one of the comments below shows it can lead to...
How to modify a text file?
...ory because the file may be too large for that. Once the temporary file is completed, I rename it the same as the original file.
This is a good, safe way to do it because if the file write crashes or aborts for any reason, you still have your untouched original file.
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JSON datetime between Python and JavaScript
...ndler)
'"2010-04-20T20:08:21.634121"'
Which is ISO 8601 format.
A more comprehensive default handler function:
def handler(obj):
if hasattr(obj, 'isoformat'):
return obj.isoformat()
elif isinstance(obj, ...):
return ...
else:
raise TypeError, 'Object of type ...
Is an entity body allowed for an HTTP DELETE request?
When issuing an HTTP DELETE request, the request URI should completely identify the resource to delete. However, is it allowable to add extra meta-data as part of the entity body of the request?
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