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How to clear MemoryCache?
...MemoryCache documentation makes me wonder if disposing and recreating is recommended: "Do not create MemoryCache instances unless it is required. If you create cache instances in client and Web applications, the MemoryCache instances should be created early in the application life cycle." Does this ...
what is the best way to convert a json formatted key value pair to ruby hash with symbol as key?
... you can pass in the symbolize_names option. See here: http://flori.github.com/json/doc/index.html (look under parse)
eg:
>> s ="{\"akey\":\"one\",\"bkey\":\"two\"}"
>> JSON.parse(s,:symbolize_names => true)
=> {:akey=>"one", :bkey=>"two"}
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Database Structure for Tree Data Structure
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You mention the most commonly implemented, which is Adjacency List:
https://blogs.msdn.microsoft.com/mvpawardprogram/2012/06/25/hierarchies-convert-adjacency-list-to-nested-sets
There are other models as well, including materialized path and nes...
How to convert a number to string and vice versa in C++
...ream manipulators, as explained in an other answer here.
As noted in the comments these functions fall back to a default mantissa precision that is likely not the maximum precision. If more precision is required for your application it's also best to go back to other string formatting procedures.
...
Enabling auto layout in iOS 6 while remaining backwards compatible with iOS 5
...e advantage of the new auto layout features of iOS 6 while still providing compability with older devices on earlier versions of iOS?
...
Running a command as Administrator using PowerShell?
...tion :
PS> Start-Process powershell -Verb runAs
https://docs.microsoft.com/powershell/module/Microsoft.PowerShell.Management/Start-Process
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Reading JSON from a file?
...In that case, there is some invalid json in that file. For that, I would recommend running the file through a json validator.
There are also solutions for fixing json like for example How do I automatically fix an invalid JSON string?.
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How to remove underline from a link in HTML?
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Inline version:
<a href="http://yoursite.com/" style="text-decoration:none">yoursite</a>
However remember that you should generally separate the content of your website (which is HTML), from the presentation (which is CSS). Therefore you should generally ...
How do I combine a background-image and CSS3 gradient on the same element?
...ort for multiple background images and css backgrounds. See http://caniuse.com/#feat=css-gradients for browser support. For a good post on why you don't need multiple browser prefixes, see http://codepen.io/thebabydino/full/pjxVWp/
Layer Stack
It should be noted that the first defined image will b...
Use cases for NoSQL [closed]
...data model to a NoSQL database like MongoDB or CouchDB... This is the most common mistake developers make when evaluating emerging tech.
That approach is analogous to taking a car and trying to use it to pull your cart down the road like a horse.
It's a natural reaction due to everyone's experienc...