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How can I return NULL from a generic method in C#?
...ce))
Restrict T to be a reference type with the where T : class constraint and then return null as normal
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Locking pattern for proper use of .NET MemoryCache
... thread safe you don't need to lock on the initial read, you can just read and if the cache returns null then do the lock check to see if you need to create the string. It greatly simplifies the code.
const string CacheKey = "CacheKey";
static readonly object cacheLock = new object();
private stati...
Service Temporarily Unavailable Magento?
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Check if there is a file called maintenance.flag and if so delete it.
Magento 1.x : maintenance.flag file is in : magento root directory
Magento 2.x : maintenance.flag file is in : var folder
When Magento is performing certain tasks it temporarily creates this...
Where does PHP store the error log? (php5, apache, fastcgi, cpanel)
I am on shared hosting and have Cpanel, Apache, PHP is run by fastcgi. Where does PHP store the error log?
21 Answers
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Why can't static methods be abstract in Java?
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Because "abstract" means: "Implements no functionality", and "static" means: "There is functionality even if you don't have an object instance". And that's a logical contradiction.
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Predicate Delegates in C#
... answered Feb 17 '09 at 11:45
Andrew HareAndrew Hare
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SQL Server SELECT INTO @variable?
...uzzle! See mssqltips.com/sqlservertip/1888/…
– Smandoli
Feb 24 '16 at 18:01
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To force the q...
What HTTP status response code should I use if the request is missing a required parameter?
I am thinking 412 (Precondition Failed) but there may be a better standard?
12 Answers
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How to convert an int value to string in Go?
...tionality in. The creators of Go are all deeply embedded in that heritage and feel entirely comfortable with these names.
– Bryan
Sep 29 '16 at 10:15
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Useless use of cat?
...at file.txt | grep foo | cut ... | cut .... I gave him a piece of my mind, and only after doing so visited the link he gave me referring to the origins of the award and the practice of doing so. Further searching led me to this question. Somewhat unfortunately despite conscious consideration, none o...