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How can I default a parameter to Guid.Empty in C#?
...ic void Problem(Guid optional = new Guid())
{
// when called without parameters this will be true
var guidIsEmpty = optional == Guid.Empty;
}
You can also use default(Guid)
default(Guid) also will work exactly as new Guid().
Because Guid is a value type not reference type, so, default(Guid) ...
How do I (or can I) SELECT DISTINCT on multiple columns?
...want all the sales that do not have any other sales that happened on the same day for the same price. The sales that are unique based on day and price will get updated to an active status.
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When should I use a table variable vs temporary table in sql server?
...e. It says that temp tables are always on disk, and table variables are in memory, that is to say, the performance of table variable is better than temp table because table variable uses less IO operations than temp table.
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Undefined, unspecified and implementation-defined behavior
...undefined behavior in C and C++? What about unspecified behavior and implementation-defined behavior? What is the difference between them?
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Advantage of creating a generic repository vs. specific repository for each object?
...ges to creating a generic IRepository interface that all repositories implement, vs. each Repository having its own unique interface and set of methods.
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Running a Haskell program on the Android OS
...getting a Haskell compiler which can target C with the android NDK which comes with a GCC port for ARM architectures. JHC can trivially do this with a very small inf style file which describes the platform (word size, c-compiler, etc) I've done this with the Wii homebrew dev kit and it was quite eas...
How to use git bisect?
I have read some articles saying that git bisect is awesome. However, I'm not a native speaker and I can't understand why it's awesome.
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Realistic usage of the C99 'restrict' keyword?
I was browsing through some documentation and questions/answers and saw it mentioned. I read a brief description, stating that it would be basically a promise from the programmer that the pointer won't be used to point somewhere else.
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What is the most accurate way to retrieve a user's correct IP address in PHP?
... how to most accurately retrieve a user's real IP address (well knowing no method is perfect) using said variables?
18 Answ...
Change date of git tag (or GitHub Release based on it)
...
WARNING: This will not preserve tag messages for annotated tags.
Summary
For each tag that needs to be changed:
Go back in time to the commit representing the tag
Delete the tag (locally and remotely)
This will turn your "Release" on GitHub into a Draft ...