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Overriding fields or properties in subclasses
...eld or a property that will have a different value in each class that inherits from this parent class.
10 Answers
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How to programmatically disable page scrolling with jQuery
...ound to do this is similar to what you described:
Grab current scroll position (don't forget horizontal axis!).
Set overflow to hidden (probably want to retain previous overflow value).
Scroll document to stored scroll position with scrollTo().
Then when you're ready to allow scrolling again, un...
Click outside menu to close in jquery
...ness requirements. The menu becomes hidden again after you mouse away from it.
15 Answers
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How to make script execution wait until jquery is loaded
...re the page is loading so fast, that jquery hasn't finished loading before it is being called by a subsequent script. Is there a way to check for the existence of jquery and if it doesn't exist, wait for a moment and then try again?
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How to rename files and folder in Amazon S3?
...hod to rename a file in S3. What you have to do is copy the existing file with a new name (just set the target key) and delete the old one.
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Setting PayPal return URL and making it auto return?
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You have to enable auto return in your PayPal account, otherwise it will ignore the return field.
From the documentation (updated to reflect new layout Jan 2019):
Auto Return is turned off by default.
To turn on Auto Return:
Log in to your PayPal account at https://www.paypa...
What are the differences between Clojure, Scheme/Racket and Common Lisp?
...ynamic languages
Strongly typed
Compiled
Lisp-style syntax, i.e. code is written as a Lisp data structures (forms) with the most common pattern being function calls like: (function-name arg1 arg2)
Powerful macro systems that allow you to treat code as data and generate arbitrary code at runtime (oft...
Change auto increment starting number?
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You can use ALTER TABLE to change the auto_increment initial value:
ALTER TABLE tbl AUTO_INCREMENT = 5;
See the MySQL reference for more details.
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Can I pass parameters by reference in Java?
...ue. However for a parameter of reference type (i.e. not a parameter of primitive type) it is the reference itself which is passed by value, hence it appears to be pass-by-reference (and people often claim that it is). This is not the case, as shown by the following:
Object o = "Hello";
mutate(o)
Sy...
How to remove a directory from git repository?
I have 2 directories on my GitHub repository. I'd like to delete one of them. How could I do that without deleting and re-creating entire repository?
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