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The differences between .build, .create, and .create! and when should they be used?
....build gives you a new post associated with your Wall, and your Wall.posts now has one post in it.
– Amin Ariana
Dec 1 '11 at 1:12
...
What's the purpose of the LEA instruction?
...(x, y) coordinates:
struct Point
{
int xcoord;
int ycoord;
};
Now imagine a statement like:
int y = points[i].ycoord;
where points[] is an array of Point. Assuming the base of the array is already in EBX, and variable i is in EAX, and xcoord and ycoord are each 32 bits (so ycoord is ...
Stopping fixed position scrolling at a certain point?
... it what i thought changing the positioning at certain points, il let you know how i get on thanks!
– Louise McComiskey
May 5 '11 at 19:34
1
...
Run an untrusted C program in a sandbox in Linux that prevents it from opening files, forking, etc.?
...t.c root/assignment.c
Exit the VM's root FS:
cd ..
sudo umount mountpoint
Now the image is ready, we just need to run it. It will compile and run the submission after booting.
mkfifo /tmp/guest_output
Open a seperate terminal and start listening for guest output:
dd if=/tmp/guest_output bs=1
In an...
How to initialize a List to a given size (as opposed to capacity)?
...element in the whole List. It took me hours to find this bug. Do you guys know any solution to this issue (except for just using a common loop and use .Add(new Pair...)?
– 00zetti
Aug 21 '17 at 9:52
...
error: writable atomic property cannot pair a synthesized setter/getter with a user defined setter/g
...d to compile an older Xcode project (which used to compile just fine), and now I'm seeing a lot of errors of this form:
4 A...
Incrementing a date in JavaScript
...t anything they wanted to in Date.parse. The new 5th edition specification now has a minimum format that must be accepted, but I wouldn't count on that yet.
– T.J. Crowder
Sep 9 '10 at 8:18
...
Is key-value observation (KVO) available in Swift?
...osure, then `[weak self]` is not needed
print("bar property is now \(object.bar)")
}
}
}
Note, in Swift 4, we now have strong typing of keypaths using the backslash character (the \.bar is the keypath for the bar property of the object being observed). Also, because it's us...
How do I get an apk file from an Android device?
...
Hi, Thank u very much. I can get the images from sdcard now. but I want to pull the apk file from device (managementApplication folder). The iTwips apk is stored on the Application folder. Please assist me.
– Finder
Oct 27 '10 at 16:40
...
NSRange to Range
...???
Therefore the text replacement in the text field delegate method
can now be done as
func textField(_ textField: UITextField,
shouldChangeCharactersIn range: NSRange,
replacementString string: String) -> Bool {
if let oldString = textField.text {
l...