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Hidden features of Perl?
...
There are many non-obvious features in Perl.
For example, did you know that there can be a space after a sigil?
$ perl -wle 'my $x = 3; print $ x'
3
Or that you can give subs numeric names if you use symbolic references?
$ perl -lwe '*4 = sub { print "yes" }; 4->()'
yes
There's a...
Multiple Inheritance in PHP
...patcher that sends the Message passed using text or html backend. I don't know your code, but let me simulate it this way:
$m = new Message();
$m->type = 'text/html';
$m->from = 'John Doe <jdoe@yahoo.com>';
$m->to = 'Random Hacker <rh@gmail.com>';
$m->subject = 'Invitation e...
iPad keyboard will not dismiss if modal ViewController presentation style is UIModalPresentationForm
...eem to be a way to work around it.
UPDATE:
In iOS 4.3 and later, you can now implement `-disablesAutomaticKeyboardDismissal' on your view controller to return NO:
- (BOOL)disablesAutomaticKeyboardDismissal {
return NO;
}
This fixes the issue.
...
error: passing xxx as 'this' argument of xxx discards qualifiers
...
}
string getName() const {
return name;
}
This is necessary because now you can call getId() and getName() on const objects as:
void f(const StudentT & s)
{
cout << s.getId(); //now okay, but error with your versions
cout << s.getName(); //now okay, but error with...
What is the use of join() in Python threading?
...t joining a demonized thread opens most likely a whole can of trouble! I'm now considering to remove the join() call in my little diagram for the daemon-thread...
– Don Question
Mar 3 '15 at 17:15
...
(HTML) Download a PDF file instead of opening them in browser when clicked
...at is that this was answered 4 years ago and as Sarim points out, there is now the HTML 5 download attribute that can handle this.
I agree, and think Sarim's answer is good (it probably should be the chosen answer if the OP ever returns). However, this answer is still the reliable way to handle it...
Datepicker: How to popup datepicker when click on edittext
...rue"
android:editable="false"
android:hint="@string/birthday"/>
Now in Java File:
final Calendar myCalendar = Calendar.getInstance();
EditText edittext= (EditText) findViewById(R.id.Birthday);
DatePickerDialog.OnDateSetListener date = new DatePickerDialog.OnDateSetListener() {
@Ove...
iOS 7 status bar back to iOS 6 default style in iPhone app?
...l to add a vertical spacing constraint to the nearest neighbor, which will now be the top layout guide. Alternatively you can use ctrl+click from your object to the top layout guide to add a vertical spacing constraint explicitly.
– BreadicalMD
Sep 27 '13 at 13...
What is uint_fast32_t and why should it be used instead of the regular int and uint32_t?
... is to work on 32-bit numbers, it's not going to be faster than one cycle. Now, although it is not so on x86/amd64, 32-bit integers may not be even addressable. In such a case working on them requires additional ops to extract the 32-bits from, say, 64-bit aligned units. See also the linked question...
How to select multiple files with ?
...s not user friendly, the avarage user doesn't understand it, doesn't even know what a "ctrl button" does, and it cannot select files in different folders.
– Jean-Paul
Jan 30 '17 at 16:04
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