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Click button copy to clipboard using jQuery
...ndicating whether the copy was successful. It could be used to display an error message on failure. Firefox throws an exception on failure (in v39 at least), requiring a try/catch to handle the error.
– PointZeroTwo
Jul 27 '15 at 17:41
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Compile, Build or Archive problems with Xcode 4 (and dependencies)
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I had a similar situation, but the unwanted error displayed due to incorrectly referencing a unrelated property which was in the same class (basically I forgot to use self.) - strange one.
– JARC
Jan 5 '13 at 0:18
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How to make a class property? [duplicate]
...az.bar == 50
assert foo.bar == 50
The setter didn't work at the time we call Bar.bar, because we are calling
TypeOfBar.bar.__set__, which is not Bar.bar.__set__.
Adding a metaclass definition solves this:
class ClassPropertyMetaClass(type):
def __setattr__(self, key, value):
if key ...
Apache Spark: map vs mapPartitions?
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I'm seeing the opposite -- even with very small operations, its faster to call mapPartitions and iterate than call map. I am assuming that this is just the overhead of starting the language engine that will process the map task. (I'm in R, which may have more startup...
Adding rounded corner and drop shadow to UICollectionViewCell
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Neither of these solutions worked for me. If you place all your subviews into the UICollectionViewCell content view, which you probably are, you can set the shadow on the cell's layer and the border on the contentView's layer to achieve both results.
cell.contentView.layer.corne...
Verify if a point is Land or Water in Google Maps
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The documentation page gives an error. I wanted to check if there was any coverage specific data? I mean which countries do you cover?
– nr5
Apr 15 '19 at 8:31
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How many GCC optimization levels are there?
..., the default if no optimization level is specified)
-O1 (optimize minimally)
-O2 (optimize more)
-O3 (optimize even more)
-Ofast (optimize very aggressively to the point of breaking standard compliance)
-Og (Optimize debugging experience. -Og enables optimizations that do not interfere...
How to rename a table in SQL Server?
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If you try exec sp_rename and receieve a LockMatchID error then it might help to add a use [database] statement first:
I tried
exec sp_rename '[database_name].[dbo].[table_name]', 'new_table_name';
-- Invalid EXECUTE statement using object "Object", method "LockMatchID".
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When to use virtual destructors?
...would it make sense to have the compiler check this condition and issue an error is it is not satisfied?
– Giorgio
May 6 '12 at 9:29
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Best way to do multiple constructors in PHP
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<?php
class Student
{
public function __construct() {
// allocate your stuff
}
public static function withID( $id ) {
$instance = new self();
$instance->loadByID( $id );
return $instance;
}
public static function withRow( array $row ) {
...