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How to get the Android device's primary e-mail address
...this);
}
@Override
public Loader<Cursor> onCreateLoader(int id, Bundle arguments) {
return new CursorLoader(this,
// Retrieve data rows for the device user's 'profile' contact.
Uri.withAppendedPath(
ContactsContract.P...
Use “ENTER” key on softkeyboard instead of clicking button
...xt.setOnKeyListener(new OnKeyListener()
{
public boolean onKey(View v, int keyCode, KeyEvent event)
{
if (event.getAction() == KeyEvent.ACTION_DOWN)
{
switch (keyCode)
{
case KeyEvent.KEYCODE_DPAD_CENTER:
case KeyEvent.K...
How do you check in python whether a string contains only numbers?
...superscript zero), does pass isdigit, but raises a ValueError if passed to int().
– danpalmer
Mar 4 '19 at 12:04
add a comment
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Adding a cross-reference to a subheading or anchor in another page
... builders that support cross-references.
RST, in General
The tools that convert RST files to HTML do not necessarily have a notion of collection. This is the case for instance if you rely on github to convert RST files to HTML or if you use a command line tool like rst2html. Unfortunately, the va...
Is there a performance difference between i++ and ++i in C?
... code for this function,
both with ++i and i++.
$ cat i++.c
extern void g(int i);
void f()
{
int i;
for (i = 0; i < 100; i++)
g(i);
}
The files are the same, except for ++i and i++:
$ diff i++.c ++i.c
6c6
< for (i = 0; i < 100; i++)
---
> for (i = 0; i < ...
Can a local variable's memory be accessed outside its scope?
...al the key!
A week later, you return to the hotel, do not check in, sneak into your old room with your stolen key, and look in the drawer. Your book is still there. Astonishing!
How can that be? Aren't the contents of a hotel room drawer inaccessible if you haven't rented the room?
Well, obviousl...
How to crop an image using C#?
... @KvanTTT, both of them are pretty slow if you want to crop a big image into smaller ones.
– JBeurer
Feb 1 '13 at 7:20
1
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Is there any overhead to declaring a variable within a loop? (C++)
... for local variables is usually allocated in function scope. So no stack pointer adjustment happens inside the loop, just assigning 4 to var. Therefore these two snippets have the same overhead.
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no new variables on left side of :=
...ent as you are assigning a new value to existing variable.
myArray = [...]int{11,12,14}
colon : is used when you perform the short declaration and assignment for the first time as you are doing in your first statement i.e. myArray :=[...]int{12,14,26}.
...
How to change time in DateTime?
...
@ZacharyYates: Yes, although I'd argue that at that point your model is broken to start with, and time shouldn't be a DateTime. (I'd use Noda Time of course, but...)
– Jon Skeet
Apr 23 '13 at 20:13
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