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How to store decimal values in SQL Server?
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For most of the time, I use decimal(9,2) which takes the least storage (5 bytes) in sql decimal type.
Precision => Storage bytes
1 - 9 => 5
10-19 => 9
20-28 => 13
29-38 => 17
It ca...
Spinlock versus Semaphore
...rocesses, too.
A lock works for mutual exclusion, that is one thread at a time can acquire the lock and proceed with a "critical section" of code. Usually, this means code that modifies some data shared by several threads.
A semaphore has a counter and will allow itself being acquired by one or sev...
What kind of Garbage Collection does Go use?
...tor updates on top of Go 1.1:
concurrent sweep (results in smaller pause times)
fully precise
Go 1.1 garbage collector:
mark-and-sweep (parallel implementation)
non-generational
non-compacting
mostly precise (except stack frames)
stop-the-world
bitmap-based representation
zero-cost when the pr...
What values should I use for CFBundleVersion and CFBundleShortVersionString?
...nString gives you the version of your app. It's typically incremented each time you publish your app to the App Store. This is the version that is visible on the "Version" section for the App Store page of your application.
CFBundleVersion gives you the build number which is used for development an...
How do I create delegates in Objective-C?
...tions
Instead of checking whether a delegate responds to a selector every time we want to message it, you can cache that information when delegates are set. One very clean way to do this is to use a bitfield, as follows:
@protocol SomethingDelegate <NSObject>
@optional
- (void)something:(id)...
How can I get “Copy to Output Directory” to work with Unit Tests?
...ith copying the config output from bin or release folder because at design time i don't have information about if the file will be in debug or release folder and for me that is the file which is not getting copied to the Out folder in test results
– Gurpreet
Ma...
What are the advantages of using the C++ Boost libraries? [closed]
...ut I think they went a bit nuts with traits and concepts in Boost. Compile times and huge binary sizes are completely insane with Boost, as is the case with any template-heavy code. There has to be a balance. I'm not sure if Boost has found it.
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Is there a “goto” statement in bash?
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fi
# ... I want to resume here ...
The difficulty comes in when it's time to rip out your debugging code. The "if false" construct is pretty straightforward and memorable, but how do you find the matching fi? If your editor allows you to block indent, you could indent the skipped block (then...
In Vim, is there a way to paste text in the search line?
...r from Vim's Ex command line with:
:[OPTIONAL_RANGE]@a
I use it all the time.
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Programmatically relaunch/recreate an activity?
...arget the highest available sdk, so honeycomb will be available at compile time, and the int constant is carried within your application. I believe it is a common pattern to use a sdk int greater than minimum sdk int.
– Hai Zhang
Mar 4 '15 at 1:38
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