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Check if object is a jQuery object
... I have $ in my current namespace pointing to jQuery2 and I have an object from outer namespace (where $ is jQuery1) than I have no way to use instanceof for checking if this object is a jQuery object.
– Georgii Ivankin
Apr 11 '14 at 4:00
...
How does '20 seconds' work in Scala?
...a few things going on.
First, Scala allows dots and parens to be omitted from many method calls, so 20 seconds is equivalent to 20.seconds()*.
Second, an "implicit conversion" is applied. Since 20 is an Int and Int has no seconds method, the compiler searches for an implicit conversion that takes...
How do I maintain the Immersive Mode in Dialogs?
...).getDecorView().getSystemUiVisibility());
//Clear the not focusable flag from the window
dialog.getWindow().clearFlags(WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE);
Clearly this is not ideal but it seems to be an Android bug, they should check if the Window has immersive set.
I've updated my ...
How to let PHP to create subdomain automatically for each user?
...but there are thousands of tutorials out there. Here is the necessary code from that tutorial:
<VirtualHost 111.22.33.55>
DocumentRoot /www/subdomain
ServerName www.domain.tld
ServerAlias *.domain.tld
</VirtualHost>
However as it required the use of VirtualHosts it must be...
Possible heap pollution via varargs parameter
... array. A runtime error will occur
// (ClassCastException due to a casting from Integer to String)
T firstElement = bar[0].get(0);
If you reviewed the method to ensure that it doesn't contain such vulnerabilities then you can annotate it with @SafeVarargs to suppress the warning. For interfaces, u...
How to add text inside the doughnut chart using Chart.js?
...re of the rest.
The plugin code will start with a base font size of 30px. From there it will check the width of the text and compare it against the radius of the circle and resize it based off the circle/text width ratio.
It has a default minimum font size of 20px. If the text would exceed the bou...
What is the actual use of Class.forName(“oracle.jdbc.driver.OracleDriver”) while connecting to a dat
...iver.
It doesn't "do" anything in terms of connecting to a database, aside from ensure that the specified class is loaded by the current classloader. There is no fundamental difference between writing
Class<?> driverClass = Class.forName("oracle.jdbc.driver.OracleDriver");
// and
Class<?>...
How to remove all CSS classes using jQuery/JavaScript?
... there a single function which can be called which removes all CSS classes from the given element?
13 Answers
...
Reusing a PreparedStatement multiple times
...d will have its own stack and these connection and statements are in stack from one side and from another data source will give to every new call of executeFunction(==every thread) separate instance of connection. Do I understand you right?"
– Pavel_K
Oct 5 '15...
How do I create an abstract base class in JavaScript?
...ould throw an error:
new Animal(); // throws
This is how you "inherit" from it:
var Cat = function() {
Animal.apply(this, arguments);
// Cat initialization...
};
Cat.prototype = Object.create(Animal.prototype);
Cat.prototype.constructor = Cat;
Cat.prototype.say = function() {
conso...