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PHP - Check if two arrays are equal
...d of the same types.
See Array Operators.
EDIT
The inequality operator is != while the non-identity operator is !== to match the equality
operator == and the identity operator ===.
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In Firebase, is there a way to get the number of children of a node without loading all the node dat
...you add a new child. You could use a transaction to count items, like in this code tracking upvodes:
var upvotesRef = new Firebase('https://docs-examples.firebaseio.com/android/saving-data/fireblog/posts/-JRHTHaIs-jNPLXOQivY/upvotes');
upvotesRef.transaction(function (current_value) {
return (cur...
JAXB creating context and marshallers cost
The question is a bit theoretical, what is the cost of creating JAXB context, marshaller and unmarshaller?
8 Answers
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Get query string parameters url values with jQuery / Javascript (querystring)
...ant to extend the jQuery magic ($) function so I can do something like this:
9 Answers
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Git Push error: refusing to update checked out branch
... none are checked out. Although possible, pushing to non-bare repositories is not common). What you can do, is to fetch and merge from the other repository. This is how the pull request that you can see in Github works. You ask them to pull from you, and you don't force-push into them.
Update: Th...
UnmodifiableMap (Java Collections) vs ImmutableMap (Google) [duplicate]
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An unmodifiable map may still change. It is only a view on a modifiable map, and changes in the backing map will be visible through the unmodifiable map. The unmodifiable map only prevents modifications for those who only have the reference to the unmodifiable view:...
How to write an async method with out parameter?
I want to write an async method with an out parameter, like this:
11 Answers
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glVertexAttribPointer clarification
Just want to make sure I understand this correctly (I'd ask on SO Chat, but it's dead in there!):
2 Answers
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How can I send mail from an iPhone application
...ntroller class, and the MFMailComposeViewControllerDelegate protocol, that is tucked away in the MessageUI framework.
First add the framework and import:
#import <MessageUI/MFMailComposeViewController.h>
Then, to send a message:
MFMailComposeViewController* controller = [[MFMailComposeVie...