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fastest MD5 Implementation in JavaScript
...e writing his implementation. It's a good read for anyone interested in performant javascript.
http://www.webreference.com/programming/javascript/jkm3/
His MD5 implementation can be found here
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What is the difference between UTF-8 and Unicode?
...(7 bits). With 26 letters in the alphabet, both in capital and non-capital form, numbers and punctuation signs, that worked pretty well. ASCII got extended by an 8th bit for other, non-English languages, but the additional 128 numbers/code points made available by this expansion would be mapped to d...
The case against checked exceptions
...pty())
and it will be painful to have to wrap in try/catch every time.
Informing the User:
Checked exceptions should be used in cases where you can imagine a useful error message being presented to the end user.
This is the "and what will you do when it happens?" question I raised above. It also...
Why does Date.parse give incorrect results?
...ired to parse their output for Date#toString and Date#toUTCString, but the format of those strings was not specified.
As of ECMAScript 2019 (edition 9) the format for Date#toString and Date#toUTCString, have been specified as (respectively):
ddd MMM DD YYYY HH:mm:ss ZZ [(timezone name)]e.g. Tue J...
What are the minimum margins most printers can handle?
... Very often HP used 1/3, 1/2 inch or more (like "24 24 588 768" for Letter format). I remember having hacked HP PPDs and tuned them down to "6 6 606 786" (1/12 inch) before the physical boundaries of the device kicked in and enforced a real clipping of the page image.
Now, PCL and other language pr...
What is the >>>= operator in C?
...the equivalent of:
int i = 10;
while( i >>= 1)
which is simply performing (integer) division by 2 in each iteration, producing the sequence 5, 2, 1.
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How to fix: “UnicodeDecodeError: 'ascii' codec can't decode byte”
...tions:
# Explicit conversion without encoding
unicode('€')
# New style format string into Unicode string
# Python will try to convert value string to Unicode first
u"The currency is: {}".format('€')
# Old style format string into Unicode string
# Python will try to convert value string to Uni...
How do I iterate over an NSArray?
...t
}
This construct is used to enumerate objects in a collection which conforms to the NSFastEnumeration protocol. This approach has a speed advantage because it stores pointers to several objects (obtained via a single method call) in a buffer and iterates through them by advancing through the buf...
Numpy first occurrence of value greater than existing value
... above comment, this answer is off by one if N/2 is not in aa. The correct form would be np.searchsorted(aa, N/2, side='right') (without the +1). Both forms give the same index otherwise. Consider the test case of N being odd (and N/2.0 to force float if using python 2).
– aske...
What's the difference between including files with JSP include directive, JSP include action and usi
...e is a short overview of JSP syntax elements:
Directives: These convey information regarding the JSP page as a
whole.
Scripting elements: These are Java coding elements such as
declarations, expressions, scriptlets, and comments.
Objects and scopes: JSP objects can be created either explicitly or
...