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What is an initialization block?
We can put code in a constructor or a method or an initialization block. What is the use of initialization block? Is it necessary that every java program must have it?
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Decreasing height of bootstrap 3.0 navbar
I am trying to decrease bootstrap 3.0 navbar height which is used with fixed top behavior. Here i am using code.
9 Answers
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Opening port 80 EC2 Amazon web services [closed]
I've opened port 80 in the web console on my E2C instance's security group but I still can't access it via the public dns in the browser.
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How can I check if a value is a json object?
...type "object", if the string was JSON, so you only have to check the type with typeof
var response=jQuery.parseJSON('response from server');
if(typeof response =='object')
{
// It is JSON
}
else
{
if(response ===false)
{
// the response was a string "false", parseJSON will convert it to ...
How to create a tag with Javascript?
I'm looking for a way to insert a <style> tag into an HTML page with JavaScript.
14 Answers
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What is the best method of handling currency/money?
... migration, do something like this:
# precision is the total number of digits
# scale is the number of digits to the right of the decimal point
add_column :items, :price, :decimal, :precision => 8, :scale => 2
In Rails, the :decimal type is returned as BigDecimal, which is great for price c...
How can I convert a string to boolean in JavaScript?
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Do:
var isTrueSet = (myValue == 'true');
You could make it stricter by using the identity operator (===), which doesn't make any implicit type conversions when the compared variables have different types, instead of the equality operator (==).
var isTrueSet = (myValue === 'true')...
Python style - line continuation with strings? [duplicate]
In trying to obey the python style rules, I've set my editors to a max of 79 cols.
5 Answers
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What is the difference between “Class.forName()” and “Class.forName().newInstance()”?
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Demo demo = (Demo) clazz.newInstance();
}
}
As explained in its javadoc, calling Class.forName(String) returns the Class object associated with the class or interface with the given string name i.e. it returns test.Demo.class which is affected to the clazz variable of type Class.
The...
TypeError: got multiple values for argument
I read the other threads that had to do with this error and it seems that my problem has an interesting distinct difference than all the posts I read so far, namely, all the other posts so far have the error in regards to either a user created class or a builtin system resource. I am experiencing th...