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PHP Fatal error: Call to undefined function json_decode()
Apache is logging PHP Fatal error: Call to undefined function json_decode() . After some googling, it seems this problem is a result of not having the latest version of php. Oddly, running php --version ouputs
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Determining complexity for recursive functions (Big O notation)
I have a Computer Science Midterm tomorrow and I need help determining the complexity of these recursive functions. I know how to solve simple cases, but I am still trying to learn how to solve these harder cases. These were just a few of the example problems that I could not figure out. Any help wo...
What can I use instead of the arrow operator, `->`?
What is the arrow operator ( -> ) a synonym for?
7 Answers
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How does an underscore in front of a variable in a cocoa objective-c class work?
...is nothing more than a common convention, but a useful one), then you need to do 1 extra thing so the auto-generated accessor (for the property) knows which ivar to use. Specifically, in your implementation file, your synthesize should look like this:
@synthesize missionName = _missionName;
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jQuery Popup Bubble/Tooltip [closed]
I'm trying to make a "bubble" that can popup when the onmouseover event is fired and will stay open as long as the mouse is over the item that threw the onmouseover event OR if the mouse is moved into the bubble. My bubble will need to have all manners of HTML and styling including hyperlinks, i...
Record file copy operation with Git
...file has been renamed and even if I alter some portions it still considers to be almost the same thing (which is good because it lets me follow the history of it).
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CSV API for Java [closed]
Can anyone recommend a simple API that will allow me to use read a CSV input file, do some simple transformations, and then write it.
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HashSet vs. List performance
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A lot of people are saying that once you get to the size where speed is actually a concern that HashSet<T> will always beat List<T>, but that depends on what you are doing.
Let's say you have a List<T> that will only ever have on average 5 items in it...
git: switch branch without detaching head
I have a repository on github with a main branch (master) and a branch for some experimental work. I made some commits and pushed to the experimental branch and everything was fine.
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Error CS1705: “which has a higher version than referenced assembly”
I've been looking into this for a bit now and haven't gotten it resolved. I get the following error message:
20 Answers
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