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Is there a portable way to print a message from the C preprocessor?
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Which begs the question, can you put a directive based on a compilation flag to swap "pragma message" and "warning" somehow? For example, something like: #ifdef _LINUX #define #preprocmsg "#warning" else #define #preprocmsg "#pragma message"... I'll have to try that but ins...
Change SQLite default settings
... 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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Is there a way of making strings file-path safe in c#?
... guid, reference that against the "friendly name" which is stored in a database. Don't let users control your paths on the website or they will try to steal your web.config. If you incorporate url rewriting to make it clean it will only work for matched friendly urls in the database.
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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...