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Select N random elements from a List in C#
... I've repeated the same trial 100 million times, and in my trial the least chosen item was chosen less than 0.106% less frequently than the most frequently chosen item.
– recursive
Feb 23 '10 at 21:04
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Is using 'var' to declare variables optional? [duplicate]
...the most dangerous issues with javascript, and should be deprecated, or at least raise warnings over warnings. The reason is, it's easy to forget var and have by accident a common variable name bound to the global object. This produces weird and difficult to debug behavior.
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Prevent HTML5 video from being downloaded (right-click saved)?
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thank you for the detail answer, is it possible at least disable the save as option from the right click menu? it will cover most basic knowledge cases
– python
Mar 18 '12 at 8:43
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Why are primes important in cryptography?
...ding the factors of a number (any number).
As you know, any number has at least two factors. Prime numbers have the unique property in that they have exactly two factors: 1 and themselves.
The reason factoring is so important is mathematicians and computer scientists don't know how to factor a num...
FB OpenGraph og:image not pulling images (possibly https?)
...cache the metadata from the URL shared. The crawler has to see an image at least once before it can be rendered. This means that the first person who shares a piece of content won't see a rendered image
[https://developers.facebook.com/docs/sharing/best-practices/#precaching]
While testing, it to...
Timeout on a function call
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@ATOzTOA the problem with this solution, at least for my purposes, is that it potentially does not allow children treads to clean after themselves. From documentation of terminate function terminate() ... Note that exit handlers and finally clauses, etc., will not be e...
Why am I getting a NoClassDefFoundError in Java?
...ty("java.classpath") and it will print the classpath from there you can at least get an idea of your actual runtime classpath.
A simple example of NoClassDefFoundError is class belongs to a missing JAR file or JAR was not added into classpath or sometimes jar's name has been changed by someone like ...
Default string initialization: NULL or Empty? [closed]
... you've got it the wrong way round. It's the non-nullable value types that least "how database types work" because they cannot ever hold a null, and thus cannot ever map to a nullable column. In contract, any string can map to any varchar column.
– Tor Haugen
N...
Does Spring @Transactional attribute work on a private method?
...Nope. If I create beans with new Bean(), the annotation will never work at least without using Aspect-J.
– Juha Syrjälä
Dec 9 '10 at 9:06
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What is boxing and unboxing and what are the trade offs?
... just another Object, which is ever so convenient. Primitives (in Java at least) don't descend from Object, can't have fields, can't have methods, and just generally behave very differently from other types of values. On the other hand, working with them can be very fast and space efficient. Thus...