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How to use ConcurrentLinkedQueue?
How do I use a ConcurrentLinkedQueue in Java?
Using this LinkedQueue , do I need to be worried about concurrency in the queue? Or do I just have to define two methods (one to retrive elements from the list and another to add elements to the list)?
Note: obviously these two methods have to be ...
How to enable local network users to access my WAMP sites?
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See the end of this post for how to do this in WAMPServer 3
For WampServer 2.5 and previous versions
WAMPServer is designed to be a single seat developers tool. Apache is therefore configure by default to only allow access from the PC running the server i.e. lo...
How do you create a yes/no boolean field in SQL server?
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@D-Money: Yes, but you only need to do the comparison if you want to use the value in a condition. If you use the value in the result, then you should not do a comparison.
– Guffa
Jun 7 '15 at 10:31
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What is the coolest thing you can do in
I'm looking for the coolest thing you can do in a few lines of simple code. I'm sure you can write a Mandelbrot set in Haskell in 15 lines but it's difficult to follow.
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How do you count the number of occurrences of a certain substring in a SQL varchar?
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The first way that comes to mind is to do it indirectly by replacing the comma with an empty string and comparing the lengths
Declare @string varchar(1000)
Set @string = 'a,b,c,d'
select len(@string) - len(replace(@string, ',', ''))
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How do I read the source code of shell commands?
...ion you need here:
http://www.gnu.org/software/coreutils/
If you want to download the latest source, you should use git:
git clone git://git.sv.gnu.org/coreutils
To install git on your Ubuntu machine, you should use apt-get (git is not included in the standard Ubuntu installation):
sudo apt-get...
Why are preprocessor macros evil and what are the alternatives?
...his usually leads to strange error messages.
Macros may affect things you don't realize.
So let's expand a little here:
1) Macros can't be debugged.
When you have a macro that translates to a number or a string, the source code will have the macro name, and many debuggers, you can't "see" what...
How do I change the hover over color for a hover over table in Bootstrap?
...'table-hover'. The default hover over color is a white / light grey. How do I change this color?
10 Answers
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Array to Hash Ruby
...r ages to find a solution to this and while there are many out there, they don't seem to do the job I'm looking for.
9 Answ...
How do I declare a 2d array in C++ using new?
How do i declare a 2d array using new?
24 Answers
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