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setResult does not work when BACK button pressed
...me:
final Intent mIntent = new Intent();
mIntent.putExtra("param", "value");
setResult(RESULT_OK, mIntent);
finish();
return true;
default:
return super.onOptionsItemSelected(item);
}
}
...
How to make a copy of a file in android?
...
To copy a file and save it to your destination path you can use the method below.
public static void copy(File src, File dst) throws IOException {
InputStream in = new FileInputStream(src);
try {
OutputStream out = new FileOutputStream(dst);
t...
How to use UIVisualEffectView to Blur Image?
... The workaround works even without subclassing, just define extension UILabel { override func tintColorDidChange() { textColor = tintColor; super.tintColorDidChange() } }
– Palimondo
Jun 16 '14 at 16:48
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MSysGit vs. Git for Windows
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On: http://msysgit.github.com/ The title is Git for Windows, the application is msysgit.
Even in the event they are not, I expect the only differences will be in the method of compilation (i.e. compiler used and any options set) and any extraneous packaging (such as having a bash emulating shell ...
Get table column names in MySQL?
...;dbh->prepare($sql);
$stmt->bindValue(':table', $table, PDO::PARAM_STR);
$stmt->execute();
$output = array();
while($row = $stmt->fetch(PDO::FETCH_ASSOC)){
$output[] = $row['COLUMN_NAME'];
}
return $output;
...
Is it possible to set UIView border properties from interface builder?
...S is what the user defined runtime attributes does! Haha, been writing for iOS since 2011 and I never learned what those fields were for. Thanks for this awesome answer.
– Andy Ibanez
Sep 22 '14 at 19:31
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href=“tel:” and mobile numbers
If I use tel: I should write the international phone code, like that.
5 Answers
5
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Objective-C: Calling selectors with multiple arguments
... looks like it is part of the selector's signature).
If you call the function in this manner:
[self performSelector:@selector(myTest:) withObject:myString];
It will work.
But, as the other posters have suggested, you may want to rename the method:
- (void)myTestWithAString:(NSString*)aString;
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Finding out whether a string is numeric or not
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Here's one way that doesn't rely on the limited precision of attempting to parse the string as a number:
NSCharacterSet* notDigits = [[NSCharacterSet decimalDigitCharacterSet] invertedSet];
if ([newString rangeOfCharacterFromSet:notDigits].location == NSNotFound)
{
// newSt...
ViewDidAppear is not called when opening app from background
...How can I call when I open my app. Do I have to do anything from applicationDidBecomeActive ?
8 Answers
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