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Cache Invalidation — Is there a General Solution?
...'s control.
If you have an idempotent function from a, b to c where, if a and b are the same then c is the same but the cost of checking b is high then you either:
accept that you sometime operate with out of date information and do not always check b
do your level best to make checking b as fast...
How do I ignore files in a directory in Git?
... a match with a directory. In other words, foo/ will match a directory foo and paths underneath it, but will not match a regular file or a symbolic link foo (this is consistent with the way how pathspec works in general in git).
If the pattern does not contain a slash /, git treats it as a shell glo...
How can I make Flexbox children 100% height of their parent?
... Please add removing height: 100% to the answer - I nearly gave up and only saw this at the last moment before reverting to absolute - which comes with all sorts of problems.
– Peter
May 2 at 10:18
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How do I get started with Node.js [closed]
...World Web Server (paid)
Node.js guide
Build a blog with Node.js, express and MongoDB
Node.js for Beginners
Learn Node.js Completely and with Confidence
Node JS Processing Model – Single Threaded Model with Event Loop Architecture
RisingStack's Node Hero Series
Great Node.js tutorials voted ...
How can I use “sizeof” in a preprocessor macro?
... ((void)sizeof(... it errors with expected identifier or '(' before 'void' and expected ')' before 'sizeof'. But in principle size_t x = (sizeof(... instead does work as intended. You have to "use" the result, somehow. To allow for this to be called multiple times either inside a function or at gl...
Difference between framework vs Library vs IDE vs API vs SDK vs Toolkits? [closed]
...for developing (such as forms designers, resource editors, etc), compiling and debugging applications. e.g Eclipse, Visual Studio.
A Library is a chunk of code that you can call from your own code, to help you do things more quickly/easily. For example, a Bitmap Processing library will provide faci...
UINavigationController “back button” custom text?
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Just to clarify Tyler's comment because I did not understand this at first: Setting the backBarButtonItem in a view controllers navigationItem is setting the button that will show to get BACK to this view controller. Also note that although there is no button style for the arrow bu...
How can I post data as form data instead of a request payload?
In the code below, the AngularJS $http method calls the URL, and submits the xsrf object as a "Request Payload" (as described in the Chrome debugger network tab). The jQuery $.ajax method does the same call, but submits xsrf as "Form Data".
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Haskell, Lisp, and verbosity [closed]
For those of you experienced in both Haskell and some flavor of Lisp, I'm curious how "pleasant" (to use a horrid term) it is to write code in Haskell vs. Lisp.
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Best way to check if object exists in Entity Framework?
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if (context.MyEntity.Any(o => o.Id == idToMatch))
{
// Match!
}
And in vb.net
If context.MyEntity.Any(function(o) o.Id = idToMatch) Then
' Match!
End If
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