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Setting PayPal return URL and making it auto return?
...r PayPal account, otherwise it will ignore the return field.
From the documentation (updated to reflect new layout Jan 2019):
Auto Return is turned off by default.
To turn on Auto Return:
Log in to your PayPal account at https://www.paypal.com or https://www.sandbox.paypal.com
The M...
SQL Server indexes - ascending or descending, what difference does it make?
...ndex on each column be either ascending or descending. I'm having a hard time understanding why this choice is even here. Using binary sort techniques, wouldn't a lookup be just as fast either way? What difference does it make which order I choose?
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The difference between fork(), vfork(), exec() and clone()
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vfork() is an obsolete optimization. Before good memory management, fork() made a full copy of the parent's memory, so it was pretty expensive. since in many cases a fork() was followed by exec(), which discards the current memory map and creates a new one, it was a needle...
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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Create a submodule repository from a folder and keep its git commit history
...on that explores other web applications in a particular way. It contains some web demos in a demos folder and one of the demo should now have it's own repository. I would like to create a separate repository for this demo application and make it a subpackage submodule from main repository with...
What are the pros and cons to keeping SQL in Stored Procs versus Code [closed]
... an open source project that we're working on (C# ASP.NET Forum). At the moment, most of the database access is done by building the SQL inline in C# and calling to the SQL Server DB. So I'm trying to establish which, for this particular project, would be best.
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Mythical man month 10 lines per developer day - how close on large projects? [closed]
...erent between the two - at a large project you usually spend most of the time figuring the relationships between the parts, and only a small amount to actually changing/adding. whereas in a new project - you mostly write... until it's big enough and the rate decreases.
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How does BLAS get such extreme performance?
...ed to benchmark my own matrix multiplication function versus the BLAS implementation... I was to say the least surprised at the result:
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PHP $_SERVER['HTTP_HOST'] vs. $_SERVER['SERVER_NAME'], am I understanding the man pages correctly?
...t’s a little bit more difficult. See Chris Shiflett’s article SERVER_NAME Versus HTTP_HOST.
It seems that there is no silver bullet. Only when you force Apache to use the canonical name you will always get the right server name with SERVER_NAME.
So you either go with that or you check the host...
What does SynchronizationContext do?
In the book Programming C#, it has some sample code about SynchronizationContext :
8 Answers
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