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What is the difference between a.getClass() and A.class in Java?
...that there would be performance or other subtle benefits to using both in different circumstances (just like there are with Class.forName() and ClassLoader.loadClass() .
...
Why and not taking font-family and font-size from body?
...OS is currently using.
You'll have to target the form elements themselves if you want to change their font/text styles - should be easy enough by selecting them though, as you've just done.
As far as I know, only form elements are affected. Off the top of my head: input, button, textarea, select.
...
Struct constructor: “fields must be fully assigned before control is returned to the caller.”
...
If you see this error on a struct that has an automatic property, just call the parameterless contructor from your parameterized one by doing : this() example below:
struct MyStruct
{
public int SomeProp { get; set; }
p...
SQLite - increase value by a certain number
...r all rows):
UPDATE Products SET Price = Price + 50
Sample 2 (for a specific row):
UPDATE Products SET Price = Price + 50 WHERE ProductID = 1
Sample 3 (generic):
UPDATE {Table} SET {Column} = {Column} + {Value} WHERE {Condition}
Where:
{Table} - table name
{Column} - column name
{Value} -...
How do I remove the blue styling of telephone numbers on iPhone/iOS?
...erlink colour from a telephone number when viewed on an iPhone? Like a specific Mobile Safari tag or CSS to add?
20 Answers...
Create an empty list in python with certain size
...f the list. lst.append(something).
(You could use the assignment notation if you were using a dictionary).
Creating an empty list:
>>> l = [None] * 10
>>> l
[None, None, None, None, None, None, None, None, None, None]
Assigning a value to an existing element of the above list:...
What makes a SQL statement sargable?
...Year(myDate) = 2008
The SQL optimizer can't use an index on myDate, even if one exists. It will literally have to evaluate this function for every row of the table. Much better to use:
WHERE myDate >= '01-01-2008' AND myDate < '01-01-2009'
Some other examples:
Bad: Select ... WHERE isNul...
HTML5 Video Dimensions
...t properties aren't set until after the "loadedmetadata" event has fired.
If you happen to query for those properties far enough after the VIDEO element is rendered it may sometimes work, but in most cases this will return values of 0 for both properties.
To guarantee that you're getting the corre...
Cannot change version of project facet Dynamic Web Module to 3.0?
...
If none of the above and below solutions if not work kindly go through this link 100% it will work.
– Raki
Mar 16 '18 at 3:52
...
adding and removing classes in angularJs using ng-click
...$scope){
$scope.class = "red";
$scope.changeClass = function(){
if ($scope.class === "red")
$scope.class = "blue";
else
$scope.class = "red";
};
});
.red{
color:red;
}
.blue{
color:blue;
}
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/...