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Simple explanation of clojure protocols
I'm trying to understand clojure protocols and what problem they are supposed to solve. Does anyone have a clear explanation of the whats and whys of clojure protocols?
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What are the differences between Helper and Utility classes?
...ts more common.
A Utility class is understood to only have static methods and be stateless. You would not create an instance of such a class.
A Helper can be a utility class or it can be stateful or require an instance be created. I would avoid this if possible.
If you can make the name more spe...
simulate background-size:cover on or
...r a while, but I came across a great solution that doesn't use any script, and can achieve a perfect cover simulation on video with 5 lines of CSS (9 if you count selectors and brackets). This has 0 edge-cases in which it doesn't work perfectly, short of CSS3-compatibility.
You can see an example h...
SQL multiple column ordering
I am trying to sort by multiple columns in SQL, and in different directions. column1 would be sorted descending, and column2 ascending.
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What is function overloading and overriding in php?
In PHP, what do you mean by function overloading and function overriding. and what is the difference between both of them? couldn't figure out what is the difference between them.
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git status shows modifications, git checkout — doesn't remove them
...fix this, you should disable core.autocrlf, change all line endings to lf, and then enable it again. Or you can disable it altogether by doing:
git config --global core.autocrlf false
Instead of core.autocrlf, you can also consider using .gitattribute files. This way, you can make sure everyone usi...
In which scenario do I use a particular STL container?
...p on STL containers in my book on C++, specifically the section on the STL and its containers. Now I do understand each and every one of them have their own specific properties, and I'm close to memorizing all of them... But what I do not yet grasp is in which scenario each of them is used.
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Add UIPickerView & a Button in Action sheet - How?
...ext errors in iOS 7. I just spent a few hours working through this problem and ultimately decided to take a different approach. I replaced the call to show the action sheet with a modal view controller containing a simple tableview.
There are many ways to accomplish this. Here's one way that I jus...
Clean up a fork and restart it from the upstream
I have forked a repository, then I made some changes and it looks like I've messed up everything.
4 Answers
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Why are my CSS3 media queries not working?
...dth, initial-scale=1" name="viewport" />
Now it seems to work in both Android (2.2) and iPhone all right...
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