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Empty arrays seem to equal true and false at the same time
...t (Array is instance of Object in JS) will check if the object is present, and returns true/false.
When you call if (arr == false) you compare values of this object and the primitive false value. Internally, arr.toString() is called, which returns an empty string "".
This is because toString cal...
iPad/iPhone hover problem causes the user to double click a link
...sites I built times ago, that use jquery mouse events...I just got an ipad and i noticed that all the mouse over events are translated in clicks...so for instance i have to do two clicks instead of one..(the first hover, than the actual click)
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In what cases do I use malloc and/or new?
I see in C++ there are multiple ways to allocate and free data and I understand that when you call malloc you should call free and when you use the new operator you should pair with delete and it is a mistake to mix the two (e.g. Calling free() on something that was created with the new ...
General suggestions for debugging in R
...r silver bullet. There are good strategies for debugging in any language, and they apply here too (e.g. read this nice article). For instance, the first thing is to reproduce the problem...if you can't do that, then you need to get more information (e.g. with logging). Once you can reproduce it, ...
Does functional programming replace GoF design patterns?
Since I started learning F# and OCaml last year, I've read a huge number of articles which insist that design patterns (especially in Java) are workarounds for the missing features in imperative languages. One article I found makes a fairly strong claim :
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Using sphinx with Markdown instead of RST
...o approach that without developing a parser from scratch:
You could cheat and write a "parser" that uses Pandoc to convert markdown to RST and pass that to the RST parser :-).
You can use an existing markdown->XML parser and transform the result (using XSLT?) to the docutils schema.
You could ...
How can I install a .ipa file to my iPhone simulator
...was downloaded via the iTunes store it was built for a different processor and won't work in the simulator.
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How to change the Push and Pop animations in a navigation based app
I have a navigation based application and I want to change the animation of the push and pop animations. How would I do that?
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Is recursion a feature in and of itself?
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To answer your specific question: No, from the standpoint of learning a language, recursion isn't a feature. If your professor really docked you marks for using a "feature" he hadn't taught yet, that was wrong.
Reading between the lines, one possibility is that by using r...
View's getWidth() and getHeight() returns 0
I am creating all of the elements in my android project dynamically. I am trying to get the width and height of a button so that I can rotate that button around. I am just trying to learn how to work with the android language. However, it returns 0.
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