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How do I create an Excel (.XLS and .XLSX) file in C# without installing Microsoft Office?
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If you are happy with the xlsx format, try my GitHub project, EPPlus. It started with the source from ExcelPackage, but today it's a total rewrite.
It supports ranges, cell styling, charts, shapes, pictures, named ranges, AutoFilter and ...
Android ListView headers
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Why can't Google just make this happen with just 3 lines of code?
– Ojonugwa Jude Ochalifu
Jun 22 '15 at 15:40
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How can I make setInterval also work when a tab is inactive in Chrome?
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Great! This approach should be used when you exactly need timers to be working but not just to fix some animation issues!
– Konstantin Smolyanin
Apr 18 '13 at 11:23
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Caveats of select/poll vs. epoll reactors in Twisted
Everything I've read and experienced ( Tornado based apps ) leads me to believe that ePoll is a natural replacement for Select and Poll based networking, especially with Twisted. Which makes me paranoid, its pretty rare for a better technique or methodology not to come with a price.
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SQLAlchemy: print the actual query
I'd really like to be able to print out valid SQL for my application, including values, rather than bind parameters, but it's not obvious how to do this in SQLAlchemy (by design, I'm fairly sure).
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How to use SCNetworkReachability in Swift
...onal.
The guard let statement (a new feature in Swift 2.0) assigns the unwrapped value to the defaultRouteReachability variable if it is
not nil. Otherwise the else block is executed and the function
returns.
As of Swift 2, SCNetworkReachabilityCreateWithAddress() returns
a managed object. You don't...
Function to Calculate Median in SQL Server
...ost is still OK but there may be better solutions on for modern SQL Server apps. Take a look at this article from 2012 which is a great resource: https://sqlperformance.com/2012/08/t-sql-queries/median
This article found the following pattern to be much, much faster than all other alternatives, at...
Laravel Eloquent: Ordering results of all()
... the scenes. It strikes me as though sorting the collection with sortBy() happens inside the Laravel Engine (in PHP), while the orderBy() is done in the database. Surely the database is going to be quicker in almost all conceivable situations, and as your dataset increases so will the disparity in p...
Check if a variable is a string in JavaScript
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The Google JavaScript Style Guide says to never use primitive object wrappers.
Douglas Crockford recommended that primitive object wrappers be deprecated.
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Uppercase or lowercase doctype?
...GML. The HTML5 spec is the first one to clarify this: whatwg.org/specs/web-apps/current-work/multipage/…
– Mathias Bynens
Feb 4 '12 at 10:18
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