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What is correct HTTP status code when redirecting to a login page?
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Hypertext Transfer Protocol (HTTP) Authentication Scheme
Registry
Cookie-based HTTP Authentication - DRAFT
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How to compute the sum and average of elements in an array?
...ngth; i++ ){
sum += parseInt( elmt[i], 10 ); //don't forget to add the base
}
var avg = sum/elmt.length;
document.write( "The sum of all the elements is: " + sum + " The average is: " + avg );
Just iterate through the array, since your values are strings, they have to be converted to an inte...
Static variables in JavaScript
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If you come from a class-based, statically typed object-oriented language (like Java, C++ or C#) I assume that you are trying to create a variable or method associated to a "type" but not to an instance.
An example using a "classical" approach, with...
How do I convert CamelCase into human-readable names in Java?
...onversion is done a lot of times this method is much faster than the regex-based one: this is my benchmark for executing the aforementioned tests 100,000 times: ``` regex-based method took 4820 milliseconds ////////// commons-lang-based method took 232 milliseconds ``` that's about 20 times faster...
Why is creating a new process more expensive on Windows than Linux?
...patibility engine to find the program in the application compatibility database. This step causes enough overhead that Microsoft provides a group policy option to disable the compatibility engine on WS2003 for performance reasons.
The Win32 runtime libraries (kernel32.dll, etc.) also do a lot of re...
How to sort a dataframe by multiple column(s)
... Easy enough: dd[ order(-dd[,4], dd[,1]), ], but can't use with for name-based subsetting.
– Dirk Eddelbuettel
Oct 21 '12 at 14:34
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Cosine Similarity between 2 Number Lists
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another version based on numpy only
from numpy import dot
from numpy.linalg import norm
cos_sim = dot(a, b)/(norm(a)*norm(b))
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What is the order of precedence for CSS?
...t relevant to an element and, therefore, will be
applied. Specificity is based on the matching rules which are composed
of different sorts of CSS selectors.
Specificity is a weight that is applied to a given CSS declaration,
determined by the number of each selector type in the matching
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How does Java Garbage Collection work with Circular References?
... live even longer.
Nonetheless, the basic idea remains the same: it's all based on starting from some root set of things that it takes for granted could still be used, and then chasing all the pointers to find what else could be in use.
Interesting aside: may people are often surprised by the degr...
Reasons for using the set.seed function
...ackage allows you to set the seed (or choose a seed to pass into set.seed) based on a character string. For example you could have students use their name as the seed then each student has a unique dataset but the instructor can also create the same datasets for grading.
– Gre...