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Example for boost shared_mutex (multiple reads/one write)?

I have a multithreaded app that has to read some data often, and occasionally that data is updated. Right now a mutex keeps access to that data safe, but it's expensive because I would like multiple threads to be able to read simultaneously, and only lock them out when an update is needed (the updat...
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How can I get the current page's full URL on a Windows/IIS server?

I moved a WordPress installation to a new folder on a Windows/ IIS server. I'm setting up 301 redirects in PHP, but it doesn't seem to be working. My post URLs have the following format: ...
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Getter and Setter declaration in .NET [duplicate]

... a plain field: public string MyField But this field can be accessed by all outside users of your class. People can insert illegal values or change the value in ways you didn't expect. By using a property, you can encapsulate the way your data is accessed. C# has a nice syntax for turning a fiel...
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Difference between Role and GrantedAuthority in Spring Security

...thority as being a "permission" or a "right". Those "permissions" are (normally) expressed as strings (with the getAuthority() method). Those strings let you identify the permissions and let your voters decide if they grant access to something. You can grant different GrantedAuthoritys (permissions...
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Group By Multiple Columns

... fields of an anonymous type C# assumes you want to use the name of the finally accessed property/field from the projection. (So your example is equivalent to Mo0gles') – Chris Pfohl Jan 28 '15 at 13:54 ...
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Safe characters for friendly url [closed]

... To quote section 2.3 of RFC 3986: "Characters that are allowed in a URI but do not have a reserved purpose are called unreserved. These include uppercase and lowercase letters, decimal digits, hyphen, period, underscore, and tilde." ALPHA DIGIT "-" / "." / "_" / "~" N...
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What does __FILE__ mean in Ruby?

I see this all the time in Ruby: 4 Answers 4 ...
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Open URL in same window and in same tab

...ute target= of tag a. In fact, you can name your window whatever you like. All what you need is set it different value, so that it won't open in the same window or tab. – ijse Dec 10 '11 at 14:57 ...
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Re-raise exception with a different type and message, preserving existing information

...ns that it can raise (e.g. inheriting from a FooError abstract class for all the foo module's specific exceptions). This allows users of the module to catch those particular exceptions and handle them distinctly, if needed. But many of the exceptions raised from the module are raised because of ...
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How to customize user profile when using django-allauth

I have a django project with the django-allauth app. I need to collect additional data from the user at signup. I came across a similar question here but unfortunately, no one answered the profile customization part. ...