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What does the -ObjC linker flag do?
I have an app that works with and without the linker flag. However, without the linker flag, I get a very different behaviour when adding data to a view.
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How to map and remove nil values in Ruby
I have a map which either changes a value or sets it to nil. I then want to remove the nil entries from the list. The list doesn't need to be kept.
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The constant cannot be marked static
I am trying to declare a PI constant like this:
5 Answers
5
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Argparse: Way to include default values in '--help'?
Suppose I have the following argparse snippet:
3 Answers
3
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Difference between \A \z and ^ $ in Ruby regular expressions
In the documentation I read:
4 Answers
4
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Python - When to use file vs open
What's the difference between file and open in Python? When should I use which one? (Say I'm in 2.5)
6 Answers
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C++0x has no semaphores? How to synchronize threads?
Is it true that C++0x will come without semaphores? There are already some questions on Stack Overflow regarding the use of semaphores. I use them (posix semaphores) all the time to let a thread wait for some event in another thread:
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Attach a file from MemoryStream to a MailMessage in C#
I am writing a program to attach a file to email. Currently I am saving file using FileStream into disk, and then I use
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What does Provider in JAX-RS mean?
Could anyone explain to me what a JAX-RS Provider is and what ‘@Provider’ annotation does? I have been reading documentation but I cant get it.
If there are resource classes that service the incoming requests, what do Providers do? How are they different from singleton resource classes when I ...
How do you list all triggers in a MySQL database?
What is the command to list all triggers in a MySQL database?
4 Answers
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