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How to break out from a ruby block?
...ediately, returning control to the iterator method, which may then begin a new iteration by invoking the block again:
f.each do |line| # Iterate over the lines in file f
next if line[0,1] == "#" # If this line is a comment, go to the next
puts eval(line)
end
When used in a blo...
Changing navigation bar color in Swift
...
After updating to the newer Xcode betas, setting the title text colour no longer works. titleTextAttributes is not available in Swift. Any ideas?
– user3746428
Aug 1 '14 at 13:28
...
Two-dimensional array in Swift
...olumn), "Index out of range")
grid[(row * columns) + column] = newValue
}
}
}
var matrix:Matrix<Bool> = Matrix(rows: 1000, columns: 1000,defaultValue:false)
matrix[0,10] = true
print(matrix[0,10])
...
What's the difference between the Dependency Injection and Service Locator patterns?
...u have to create objects during runtime? If you create them manually with "new" you cannot make use of DI. If you call the DI framework for help, you're breaking the pattern. So what options are left?
– Boris
Apr 10 '13 at 14:35
...
Is it possible to create a File object from InputStream
...
You need to create new file and copy contents from InputStream to that file:
File file = //...
try(OutputStream outputStream = new FileOutputStream(file)){
IOUtils.copy(inputStream, outputStream);
} catch (FileNotFoundException e) {
//...
When does invoking a member function on a null instance result in undefined behavior?
...unction () {
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f2474018%2fwhen-does-invoking-a-member-function-on-a-null-instance-result-in-undefined-beha%23new-answer', 'question_page');
}
...
What's the difference between Thread start() and Runnable run()
...ds. Both execute in single (existing) thread. No thread creation.
R1 r1 = new R1();
R2 r2 = new R2();
r1 and r2 are just two different objects of classes that implement the Runnable interface and thus implement the run() method. When you call r1.run() you are executing it in the current thread.
...
Show dialog from fragment?
... The ListFragment subclass would use DialogFragments by instantiating new ones, not by subclassing DialogFragment. (A DialogFragment is a dialog implemented as a Fragment, not a Fragment which may display Dialogs.)
– nmr
Sep 1 '11 at 22:07
...
Globally override key binding in Emacs
...bindings retain precedence, even if subsequently-loaded libraries bring in new keymaps of their own.
Because keymaps can be generated at compile time, load seemed like the best place to do this.
(add-hook 'after-load-functions 'my-keys-have-priority)
(defun my-keys-have-priority (_file)
"Try to...
How to convert a Bitmap to Drawable in android?
...
Try this it converts a Bitmap type image to Drawable
Drawable d = new BitmapDrawable(getResources(), bitmap);
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