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UIGestureRecognizer on UIImageView
I have a UIImageView , which I want to be able to resize and rotate etc.
8 Answers
8
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Do AJAX requests retain PHP Session info?
If I had a user logged onto my site, having his id stored in $_SESSION , and from his browser he clicked a 'Save' button which would make an AJAX request to the server. Will his $_SESSION and cookies be retained in this request, and can I safely rely on the id being present in the $_SESSION ?
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How to check if an object is nullable?
How do I check if a given object is nullable in other words how to implement the following method...
14 Answers
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When to use thread pool in C#? [closed]
I have been trying to learn multi-threaded programming in C# and I am confused about when it is best to use a thread pool vs. create my own threads. One book recommends using a thread pool for small tasks only (whatever that means), but I can't seem to find any real guidelines. What are some consid...
How to use ssh agent forwarding with “vagrant ssh”?
Rather than create a new SSH key pair on a vagrant box, I would like to re-use the key pair I have on my host machine, using agent forwarding . I've tried setting config.ssh.forward_agent to TRUE in the Vagrantfile, then rebooted the VM, and tried using:
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What is the JavaScript >>> operator and how do you use it?
I was looking at code from Mozilla that add a filter method to Array and it had a line of code that confused me.
7 Answers
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How do I add a foreign key to an existing SQLite table?
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You can't.
Although the SQL-92 syntax to add a foreign key to your table would be as follows:
ALTER TABLE child ADD CONSTRAINT fk_child_parent
FOREIGN KEY (parent_id)
REFERENCES parent(id);
SQLite doesn't support the ADD CO...
In C#, how to check if a TCP port is available?
In C# to use a TcpClient or generally to connect to a socket how can I first check if a certain port is free on my machine?
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Storing money in a decimal column - what precision and scale?
I'm using a decimal column to store money values on a database, and today I was wondering what precision and scale to use.
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Should sorting logic be placed in the model, the view, or the controller? [closed]
I have a drop down list that displays values from a table to the end user. I would like to have these values be sorted alphabetically.
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