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Opening the Settings app from another app
Okay, I know that there are many question about it, but they are all from many time ago.
17 Answers
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Pointers in C: when to use the ampersand and the asterisk?
I'm just starting out with pointers, and I'm slightly confused. I know & means the address of a variable and that * can be used in front of a pointer variable to get the value of the object that is pointed to by the pointer. But things work differently when you're working with arrays, string...
Differences between fork and exec
...d process (parent) as its parent PID (PPID). Because the two processes are now running exactly the same code, they can tell which is which by the return code of fork - the child gets 0, the parent gets the PID of the child. This is all, of course, assuming the fork call works - if not, no child is c...
What is copy-on-write?
I would like to know what copy-on-write is and what it is used for? The term 'copy-on-write array' is mentioned several times in the Sun JDK tutorials but I didn't understand what it meant.
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Best way to determine user's locale within browser
...ice in the HTML, and use JavaScript to parse the language header. I don't know of any existing library code to do this, though, since Accept-Language parsing is almost always done on the server side.
Whatever you end up doing, you certainly need a user override because it will always guess wrong fo...
Does ARC support dispatch queues?
...he short answer: YES, ARC retains and releases dispatch queues.
And now for the long answer…
If your deployment target is lower than iOS 6.0 or Mac OS X 10.8
You need to use dispatch_retain and dispatch_release on your queue. ARC does not manage them.
If your deployment target is iOS 6...
How to switch position of two items in a Python list?
...The simple Python swap looks like this:
foo[i], foo[j] = foo[j], foo[i]
Now all you need to do is figure what i is, and that can easily be done with index:
i = foo.index("password2")
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im...
What is a bus error?
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Bus errors are rare nowadays on x86 and occur when your processor cannot even attempt the memory access requested, typically:
using a processor instruction with an address that does not satisfy its alignment requirements.
Segmentation faults...
ADT requires 'org.eclipse.wst.sse.core 0.0.0' but it could not be found
... enter
http://download.eclipse.org/releases/helios
for the Location.
Now go through the installation steps; Eclipse should download and
install the plugin's dependencies.
(There are examples in that page for 3.5 (Galileo), 3.4 (Ganymede) & 3.3 (Europa) for anyone with different vers...
How can I show line numbers in Eclipse?
...I wrote this long ago but as @ArtOfWarfar and @voidstate mentioned you can now simply:
Right click the gutter and select "Show Line Numbers":
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