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Why does changing the returned variable in a finally block not change the return value?
...le s", you set s to refer to the inlined String, not altering the inherent char buffer of the s object to change to "override variable s".
You put a reference to the s on the stack to return to the calling code. Afterwards (when the finally block runs), altering the reference should not do anything ...
Android Gallery on Android 4.4 (KitKat) returns different URI for Intent.ACTION_GET_CONTENT
...tyForResult(Intent.createChooser(intent, getResources().getString(R.string.select_picture)),GALLERY_INTENT_CALLED);
} else {
Intent intent = new Intent(Intent.ACTION_OPEN_DOCUMENT);
intent.addCategory(Intent.CATEGORY_OPENABLE);
intent.setType("image/jpeg");
startActivityForResult(int...
How to animate the change of image in an UIImageView?
...ill first cross dissolve a new image and then add a bouncy animation:
var selected: Bool {
willSet(selected) {
let expandTransform:CGAffineTransform = CGAffineTransformMakeScale(1.15, 1.15);
if (!self.selected && selected) {
UIView.transitionWithView(self.imageView,
...
How to check if a string in Python is in ASCII?
...so, then the original string is ASCII.
def isascii(s):
"""Check if the characters in string s are in ASCII, U+0-U+7F."""
return len(s) == len(s.encode())
To check, pass the test string:
>>> isascii("♥O◘♦♥O◘♦")
False
>>> isascii("Python")
True
...
Selecting a row of pandas series/dataframe by integer index
...
The primary purpose of the DataFrame indexing operator, [] is to select columns.
When the indexing operator is passed a string or integer, it attempts to find a column with that particular name and return it as a Series.
So, in the question above: df[2] searches for a column name matchin...
What are “first class” objects?
...es.
In Java, for example, there are primitive types (int, bool, double, char) that aren't proper objects. That's why Java has to introduce Integer, Boolean, Double, and Character as first-class types. This can be hard to teach to beginners -- it isn't obvious why both a primitive type and a cla...
Why does UITableViewCell remain highlighted?
...
In your didSelectRowAtIndexPath you need to call deselectRowAtIndexPath to deselect the cell.
So whatever else you are doing in didSelectRowAtIndexPath you just have it call deselectRowAtIndexPath as well.
- (void)tableView:(UITableVi...
Can inner classes access private variables?
... {
i.func();
}
private:
static const char* const MYCONST;
Inner i;
int var;
};
const char* const Outer::MYCONST = "myconst";
int main()
{
Outer o1;
Outer o2(o1);
o1.func();
o2.func();
}
...
Removing an element from an Array (Java) [duplicate]
... the case when the element is not in the array.
Hope that helps!
public char[] remove(char[] symbols, char c)
{
for (int i = 0; i < symbols.length; i++)
{
if (symbols[i] == c)
{
char[] copy = new char[symbols.length-1];
System.arraycopy(symbols, ...
Tab key == 4 spaces and auto-indent after curly braces in Vim
... if I enable expandtab, is there a way to actually input the tab character in the text anyway?
– Daniele Segato
Mar 16 '16 at 10:47
3
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