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JavaScript DOM remove element
... answer will have to do.
When you unlink a node using removeChild() or by setting the innerHTML property on the parent, you also need to make sure that there is nothing else referencing it otherwise it won't actually be destroyed and will lead to a memory leak. There are lots of ways in which you c...
Select random row from a sqlite table
...to select a non-existant rowid, and the select will return an empty result set. If this is not acceptable, you can provide a default value like this :
select * from foo where rowid = (abs(random()) % (select (select max(rowid) from foo)+1)) or rowid = (select max(rowid) from node) order by rowid li...
Why use 'git rm' to remove a file instead of 'rm'?
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Good answer. I was able to use git reset --hard and then do a checkout of master to get out of detached head state because I knew I didn't have any uncommitted changes. If you haven't committed your changes you may want to do a git stash, but I'm relatively new ...
How to access the correct `this` inside a callback?
...tage that you can access the this value of the callback itself.
Explicitly set this of the callback - part 1
It might look like you have no control over the value of this because its value is set automatically, but that is actually not the case.
Every function has the method .bind [docs], which retu...
Is there a ceiling equivalent of // operator in Python?
I found out about the // operator in Python which in Python 3 does division with floor.
7 Answers
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PHP_SELF vs PATH_INFO vs SCRIPT_NAME vs REQUEST_URI
...troller: index.php . However, I don't like to see index.php in the URI. For example, http://www.example.com/faq/whatever will route to http://www.example.com/index.php/faq/whatever . I need a reliable way for a script to know what it's address is, so it will know what to do with the navigation...
When to use ' (or quote) in Lisp?
... 2. The value of the symbol a is looked up in the current variable binding set, and then replaced. Say a is currently bound to the value 3:
(let ((a 3))
(* (+ a 2)
3))
We'd get (+ 3 2), + is then invoked on 3 and 2 yielding 5. Our original form is now (* 5 3) yielding 15.
Explain quote ...
What is meant by 'first class object'?
...ion , I received suggestions to talk on, amongst other things, the aspect of JavaScript where functions are 'first class' objects. What does the 'first class' mean in this context, as opposed to other objects?
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How can I give the Intellij compiler more heap space?
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Current version:
Settings (Preferences on Mac) | Build, Execution, Deployment | Compiler |
Build process heap size.
Older versions:
Settings (Preferences on Mac) | Compiler | Java Compiler | Maximum heap size.
Compiler runs in a separate J...
How do I change the language of moment.js?
I am trying to change the language of the date which is being set by moment.js. The default one is English, but I want to set the German language. These is what I tried:
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