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How to determine if a number is a prime with regex?
...up captures 1 character, then 1 or more of any character. (The + character means one or more, but ONLY of the previous character or group. So this is not "two or four or six etc. characters", but rather "two or three etc." The +? is like +, but it tries to match as few characters as possible. + norm...
Visual Studio Immediate window: how to see more than the first 100 items
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Not sure what do you mean by "yourList" here? Do you mean the object which I am trying to view? If so, does not work for me in Visual Studio Pro 2013
– Kunal
Dec 5 '14 at 17:11
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Explain the “setUp” and “tearDown” Python methods used in test cases
...as you know each test should stop in the place where it was started - this means that we have to restore app state to it's initial state - e.g close files, connections, removing newly created items, calling transactions callback and so on - all these steps are to be included into the tearDown.
So t...
Invoking JavaScript code in an iframe from the parent page
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@Dirty Henry what do you mean by "a jQuery function?" jQuery is a JavaScript library.
– Joel Anair
Jul 1 '13 at 13:11
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ConnectionTimeout versus SocketTimeout
...nnection. This usually happens if the remote machine does not answer. This means that the server has been shut down, you used the wrong IP/DNS name, wrong port or the network connection to the server is down.
A socket timeout is dedicated to monitor the continuous incoming data flow. If the data fl...
how to programmatically fake a touch event to a UIButton?
...o do it from within the app, not via Instruments (if that's the method you mean.)
– Olie
Oct 27 '10 at 13:50
Instrumen...
Does ARC support dispatch queues?
...bled, and at least a Mac OS X 10.8
* or iOS 6.0 deployment target.
This means you can store your queue in an NSArray or NSDictionary, or in a property with one of the strong, weak, unsafe_unretained, assign, or retain attributes. It also means that if you refer to your queue from a block, the bl...
What's the “big idea” behind compojure routes?
...tead, the response would be nil. We'll return to the question of what nil means here in a minute (but notice that it is not a valid Ring respose!).
As is apparent from this example, example-route is just a function, and a very simple one at that; it looks at the request, determines whether it's in...
How do I set the path to a DLL file in Visual Studio?
....Thompson Ah, reading your comment again, I think I misunderstood what you meant. Yes, I agree. But at least, there are some hotkeys never changed in Visual Studio, and 'Alt + p, p' is one of them. It was there along with 'Alt + F7', which means now something else as you know. Also, 'Alt + p, p' jus...
Checking for an empty field with MySQL
...ou are checking to make sure the email field is not an empty string. NULL means the data is missing. An empty string "" is a blank string with the length of 0.
You can add the null check also
AND (email != "" OR email IS NOT NULL)
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