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How can I present a file for download from an MVC controller?
...urn a FileStream:
/// <summary>
/// Creates a new Excel spreadsheet based on a template using the NPOI library.
/// The template is changed in memory and a copy of it is sent to
/// the user computer through a file stream.
/// </summary>
/// <returns>Excel report</returns>
[...
JavaScript: clone a function
...h assertion errors are included in the gist's comment.
Plus my two cents (based on the author's suggestion):
clone0 cent (faster but uglier):
Function.prototype.clone = function() {
var newfun;
eval('newfun=' + this.toString());
for (var key in this)
newfun[key] = this[key];
return ne...
Dealing with multiple Python versions and PIP?
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@J.C.Rocamonde: the program pip gets picked based on the environment variable $PATH. If you want to change what is the "default" pip program, reorder the $PATH environment variable. Search for something like "path environment variable linux" for more details on $PATH.
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HtmlString vs. MvcHtmlString
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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What is the 'instanceof' operator used for in Java?
... a runtime operation and brings us to a/the use case: to react differently based upon an objects type at runtime.
Things to note: expressionThatIsNull instanceof T is false for all Types T.
Happy coding.
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Load multiple packages at once
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Be nice if R::base added this lapply trick native to library(). Be great to be able say: library(c("plyr", "umx"))
– tim
Jun 28 '15 at 18:56
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Dashed line border around UIView
... working in Swift, this class extension on UIView makes it easy. This was based on sunshineDev's answer.
extension UIView {
func addDashedBorder() {
let color = UIColor.red.cgColor
let shapeLayer:CAShapeLayer = CAShapeLayer()
let frameSize = self.frame.size
let shapeRect = CGRec...
How to compile tests with SBT without running them
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Passing data to a closure in Laravel 4
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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INSTALL_FAILED_NO_MATCHING_ABIS when install apk
...king with an Intel x86 architecture [Nexus 5x's Snapdragon 808 is actually based on ARM: tomshardware.com/reviews/lg-g4,4353-2.html ]. I fixed the error entering the AVD manager, selecting the simulated device that was giving me the error and clicking on Edit button where I set up an ARM (armeabi-v7...