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Didn't Java once have a Pair class? [duplicate]
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There is no Pair in the standard framework, but the Apache Commons Lang, which comes quite close to “standard”, has a Pair.
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SQL JOIN - WHERE clause vs. ON clause
... JOIN OrderLines ON OrderLines.OrderID=Orders.ID
WHERE Orders.ID = 12345
and
SELECT *
FROM Orders
LEFT JOIN OrderLines ON OrderLines.OrderID=Orders.ID
AND Orders.ID = 12345
The first will return an order and its lines, if any, for order number 12345. The second will return all orders, but...
adb not finding my device / phone (MacOS X)
Doing Android development on a Mac and this very new phone I have doesn't show up in the devices list in adb . Lots of other phones and devices work fine for me so I know my setup is good.
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How to get the IP address of the server on which my C# application is running on?
I am running a server, and I want to display my own IP address.
26 Answers
26
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Pimpl idiom vs Pure virtual class interface
...would make a programmer to choose either Pimpl idiom or pure virtual class and inheritance.
10 Answers
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Change string color with NSAttributedString?
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I don't understand all of the down votes. My answer is much simpler than using an attributed string. The OP has no need to use NSAttributedString for this task. It would be one thing if the label's text needed multiple attributes but it doe...
List of standard lengths for database fields
I'm designing a database table and once again asking myself the same stupid question: How long should the firstname field be?
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How can I add new keys to a dictionary?
...y by assigning a value
to that key. If the key doesn't exist, it's added and points to that
value. If it exists, the current value it points to is overwritten.
—R. Navega
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PowerShell equivalent to grep -f
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Also, PowerShell tab completion will make commands properly capitalized, so it is not hard to input.
– joon
Jan 2 '14 at 3:36
3
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Xcode - How to fix 'NSUnknownKeyException', reason: … this class is not key value coding-compliant f
...n once off practice apps. Naming collisions can be very hard to track down and you don't want to waste the time.
Another possible reason for this error: when copying & pasting elements from one controller into another, Xcode somehow keeps that link to the original controller, even after editin...