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How is this fibonacci-function memoized?
...mechanism in Haskell is by-need: when a value is needed, it is calculated, and kept ready in case it is asked for again. If we define some list, xs=[0..] and later ask for its 100th element, xs!!99, the 100th slot in the list gets "fleshed out", holding the number 99 now, ready for next access.
Th...
Difference between session affinity and sticky session?
What is the difference between session affinity and sticky session in context of load balancing servers?
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Which are more performant, CTE or temporary tables?
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I'd say they are different concepts but not too different to say "chalk and cheese".
A temp table is good for re-use or to perform multiple processing passes on a set of data.
A CTE can be used either to recurse or to simply improved readability.
And, like a view or inline table valued functio...
Need to handle uncaught exception and send log file
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Here's the complete solution (almost: I omitted the UI layout and button handling) - derived from a lot of experimentation and various posts from others related to issues that came up along the way.
There are a number of things you need to do:
Handle uncaughtException in your Appli...
how to POST/Submit an Input Checkbox that is disabled?
...gy is to add an hidden field holding checkbox's value within the same form and read value back from that field
Simply change disabled to readonly
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#pragma pack effect
...e could explain to me what the #pragma pack preprocessor statement does, and more importantly, why one would want to use it.
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EditorFor() and html properties
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@vondip. Make sure its a TEXTBOX and not an EDITOR. Doenst work with editor.
– Kasper Skov
Jul 26 '11 at 11:31
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How to have Android Service communicate with Activity
I'm writing my first Android application and trying to get my head around communication between services and activities. I have a Service that will run in the background and do some gps and time based logging. I will have an Activity that will be used to start and stop the Service.
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Securing my REST API with OAuth while still allowing authentication via third party OAuth providers
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First I'd like to emphasize the difference between authentication and authorization:
A user authenticates to your web site by supplying some credential such as a username+password. OpenID allows this to be displaced by having the user authenticate to another service, which then asserts th...
“message failed to fetch from registry” while trying to install any module
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I had this issue with npm v1.1.4 (and node v0.6.12), which are the Ubuntu 12.04 repository versions.
It looks like that version of npm isn't supported any more, updating node (and npm with it) resolved the issue.
First, uninstall the outdated version (optio...