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ruby send method passing multiple parameters
...en methods. It looks strange, but it’s safer than the plain send version from the point of view of method-name clashes”
Black also suggests wrapping calls to __send__ in if respond_to?(method_name).
if r.respond_to?(method_name)
puts r.__send__(method_name)
else
puts "#{r.to_s} doesn'...
What is “missing” in the Visual Studio 2008 Express Editions?
...ate
Windows Installer Deployment
64-bit Visual C++ Tools
Create XSD Schema from an XML Document
Reports Application Project Template
Visual Studio Report Designer
Visual Studio Report Wizard
Shared Add-in Project Template
ASP.NET AJAX Server Control Extender Project Template
ASP.NET AJAX Server Cont...
What's the difference between == and .equals in Scala?
...he AnyRef.equals(Any) method is the one overridden by subclasses. A method from the Java Specification that has come over to Scala too. If used on an unboxed instance, it is boxed to call this (though hidden in Scala; more obvious in Java with int->Integer). The default implementation merely comp...
HTTP 401 - what's an appropriate WWW-Authenticate header value?
...h is used. I assume you're using some form of Forms based authentication.
From recollection, Windows Challenge Response uses a different scheme and different arguments.
The trick is that it's up to the browser to determine what schemes it supports and how it responds to them.
My gut feel if you a...
Is SecureRandom thread safe?
...xtends Random, which always had a de facto threadsafe implementation, and, from Java 7, explicitly guarantees threadsafety.
If many threads are using a single SecureRandom, there might be contention that hurts performance. On the other hand, initializing a SecureRandom instance can be relatively sl...
How to suppress warnings globally in an R Script
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This works, but the approach of Francesco Napolitano from Sept. 22, 2015, is the safer and more globally-applicable method.
– Andy Clifton
Oct 23 '15 at 18:13
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How to autosize a textarea using Prototype?
...>') + ' '; makes sure you don't get jerky behaviour when going from an empty new line at the end of the textarea to a non-empty one, since the hidden div makes sure to wrap to the nbsp.
– unwitting
Feb 19 '15 at 21:36
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Maintain git repo inside another git repo
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This is also very useful for assembling one application from multiple remote repositories
– GeraldScott
Sep 25 '16 at 6:30
23
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Why is enum class preferred over plain enum?
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From Bjarne Stroustrup's C++11 FAQ:
The enum classes ("new enums", "strong enums") address three problems
with traditional C++ enumerations:
conventional enums implicitly convert to int, causing errors when some...
PHP prepend associative array with literal keys?
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See also array_merge() and its difference from using the + operator: br.php.net/manual/en/function.array-merge.php#92602
– Havenard
Sep 3 '09 at 1:33
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