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How to copy Java Collections list
I have an ArrayList and I want to copy it exactly. I use utility classes when possible on the assumption that someone spent some time making it correct. So naturally, I end up with the Collections class which contains a copy method.
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How do I create a new branch?
...ur-branch-name
The main branch of a project is referred to as the trunk, and is usually located in:
(svn/http)://path-to-repo/trunk
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How to paginate with Mongoose in Node.js?
I am writing a webapp with Node.js and mongoose. How can I paginate the results I get from a .find() call? I would like a functionality comparable to "LIMIT 50,100" in SQL.
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Cell spacing in UICollectionView
...in case anyone still needs correct answer here what you need:
Override standard flow layout.
Add implementation like that:
- (NSArray *) layoutAttributesForElementsInRect:(CGRect)rect {
NSArray *answer = [super layoutAttributesForElementsInRect:rect];
for(int i = 1; i < [answer count]...
Do I need to heartbeat to keep a TCP connection open?
...s that that communicate via TCP/IP. Component A acts as a server/listener and Component B is the client. The two should communicate as quickly as possible. There can only ever be one connection at any time (though that is aside to this question). A senior developer at my company has said I need ...
What is a database transaction?
... To do that you have first to withdraw the amount from the source account, and then deposit it to the destination account. The operation has to succeed in full. If you stop halfway, the money will be lost, and that is Very Bad.
In modern databases transactions also do some other things - like ensur...
How to get the request parameters in Symfony 2?
I am very new to symfony. In other languages like java and others I can use request.getParameter('parmeter name') to get the value.
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A CORS POST request works from plain JavaScript, but why not with jQuery?
I'm trying to make a Cross Origin post request, and I got it working in plain JavaScript like this:
5 Answers
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Replace selector images programmatically
... resource set to a selector. How do I programmatically access the selector and change the images of the highlighted and non-highlighted state?
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Get name of object or class
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Get your object's constructor function and then inspect its name property.
myObj.constructor.name
Returns "myClass".
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