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How do I declare class-level properties in Objective-C?

...mething that's equivalent to a static variable? E.g. only one instance for all types of Foo? To declare class functions in Objective-C you use the + prefix instead of - so your implementation would look something like: // Foo.h @interface Foo { } + (NSDictionary *)dictionary; // Foo.m + (NSDicti...
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Difference between Ctrl+Shift+F and Ctrl+I in Eclipse

... just format tabs/whitespaces in code and pressing CTRL + SHIFT + F format all code that is format tabs/whitespaces and also divide code lines in a way that it is visible without horizontal scroll. share | ...
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How can I pass parameters to a partial view in mvc 4

...l with just the partial name: @Html.Partial("_SomePartial") It will actually pass your model as an implicit parameter, the same as if you were to call: @Html.Partial("_SomePartial", Model) Now, in order for your partial to actually be able to use this, though, it too needs to have a defined mo...
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Mimicking sets in JavaScript?

...the list is a little safer with this: if (Object.prototype.hasOwnProperty.call(obj, A)) // put code here } because of potential conflict between built-in methods and/or properties on the base Object like the constructor property. Sidebar on ES6: The current working version of ECMAScript 6 or s...
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Difference Between Cohesion and Coupling

... example of low cohesion at the top looks pretty good, I think you accidentally meant to say "high cohession" – relipse Mar 4 '16 at 14:45 39 ...
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How do I create a link using javascript?

....attr('href',desiredLink); a.text(desiredText); $('body').append(a); In all the above examples you can append the anchor to any element, not just to the 'body', and desiredLink is a variable that holds the address that your anchor element points to, and desiredText is a variable that holds the te...
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Safely override C++ virtual functions

...ake the compiler check if the function I declared in the derived class actually overrides a function in the base class? I would like to add some macro or something that ensures that I didn't accidentally declare a new function, instead of overriding the old one. ...
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Explanation of strong and weak storage in iOS5

... storage. I have read the documentation and other SO questions, but they all sound identical to me with no further insight. ...
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Difference between -pthread and -lpthread while compiling

...that get defined when the -pthread option gets used on the GCC package installed on my Ubuntu machine: $ gcc -pthread -E -dM test.c > dm.pthread.txt $ gcc -E -dM test.c > dm.nopthread.txt $ diff dm.pthread.txt dm.nopthread.txt 152d151 < #define _REENTRANT 1 208d206 < #define _...
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Why do people say that Ruby is slow? [closed]

I like Ruby on Rails and I use it for all my web development projects. A few years ago there was a lot of talk about Rails being a memory hog and about how it didn't scale very well but these suggestions were put to bed by Gregg Pollack here. ...