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How to resolve “must be an instance of string, string given” prior to PHP 7?
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Prior to PHP 7 type hinting can only be used to force the types of objects and arrays. Scalar types are not type-hintable. In this case an object of the class string is expected, but you're giving it a (scalar) string. The error...
Are the days of passing const std::string & as a parameter over?
...ecent talk by Herb Sutter who suggested that the reasons to pass std::vector and std::string by const & are largely gone. He suggested that writing a function such as the following is now preferable:
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Troubleshooting BadImageFormatException
...e written in C# using Visual Studio 2010 and targeting the full .NET Framework 4. When I run from a Debug build the service runs as expected. However, when I run it from a Release build I get a System.BadImageFormatException (details below). I've been searching the internet for a solution but so ...
How do I check that multiple keys are in a dict in a single pass?
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Well, you could do this:
>>> if all (k in foo for k in ("foo","bar")):
... print "They're there!"
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They're there!
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Could not load file or assembly System.Web.Http.WebHost after published to Azure web site
...project and it runs well in Visual studio. However, I got the following error after published it to azurewebsites. What can cause the issue?
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What is the difference between a port and a socket?
This was a question raised by one of the software engineers in my organisation. I'm interested in the broadest definition.
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Easiest way to check for an index or a key in an array?
...in Bash manual and the little note
if the colon is omitted, the operator tests only for existence [of parameter]
This answer is actually adapted from the answers for this SO question: How to tell if a string is not defined in a bash shell script?
A wrapper function:
exists(){
if [ "$2"...
jQuery.inArray(), how to use it right?
First time I work with jQuery.inArray() and it acts kinda strange.
20 Answers
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Octave-Gnuplot-AquaTerm error: set terminal aqua enhanced title “Figure 1”…unknown terminal type"
...ve/site/m/startup/octaverc (OCTAVE_HOME usually is /usr/local) to make it work permanently.
Solution found and more details on: http://www.mac-forums.com/forums/os-x-apps-games/242997-plots-octave-dont-work.html
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Mixin vs inheritance
...nce".
The detail is that a mixin is rarely useful as a standalone object.
For example, say you have a mixin named "ColorAndDimension", which adds a color property and width and height.
Now, you could add ColorAndDimension to a, say, Shape class, a Sprite class, a Car class, etc. And they will all ha...