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Convert an ISO date to the date format yyyy-mm-dd in JavaScript
...an think of is that if your code deals with geoloical-scale time at least 8000 years in the future, your code could break because the format will be YYYYY-MM-DD in the year 10000. To avoid this you could split on the T character instead. (See en.wikipedia.org/wiki/Year_10,000_problem)
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Reusable library to get human readable version of file size?
...y known binary prefixes
negative and positive numbers
numbers larger than 1000 Yobibytes
arbitrary units (maybe you like to count in Gibibits!)
Example:
>>> sizeof_fmt(168963795964)
'157.4GiB'
by Fred Cirera
sh...
PostgreSQL: Difference between text and varchar (character varying)
...d, and there is no overhead to store the length.
I just made a table of 1,000,000 random "char" chosen from the lower-case alphabet. A query to get a frequency distribution (select count(*), field ... group by field) takes about 650 milliseconds, vs about 760 on the same data using a text field.
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How to get all subsets of a set? (powerset)
...lector will take values between 0 and 7 (inclusive), which in binary are:
000 # 0
001 # 1
010 # 2
011 # 3
100 # 4
101 # 5
110 # 6
111 # 7
So, each bit could serve as an indicator if an element of the original set should be added or not. Look at the binary numbers, and just think of each number as...
What are valid values for the id attribute in HTML?
... insist that any application a vendor develops runs in IE6. This is for 30,000 users. Heck, if we could just get them to update their browsers on all those desktops, it might just help the unemployment rate.
– Karl
Sep 13 '12 at 13:50
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How to convert ASCII code (0-255) to its corresponding character?
...g.valueOf(Character.toChars(i)). Running a quick benchmark of converting 1,000,000 random integers in the given range (100 times, to be safe) on my machine gives an average time of 153.07 nanoseconds vs. 862.39 nanoseconds. However, in any interesting application, there will be far more important th...
The specified type member 'Date' is not supported in LINQ to Entities. Only initializers, entity mem
...e, DateTimeStart is of type DataType in this format 2013-01-30 12:00:00.000
10 Answers
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How do I add indices to MySQL tables?
I've got a very large MySQL table with about 150,000 rows of data. Currently, when I try and run
7 Answers
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How do I change the formatting of numbers on an axis with ggplot?
...This is obviously unacceptable, so I want to get it to display them as 500,000, 400,000, and so on. Getting a proper exponent notation would also be acceptable.
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Why does overflow:hidden not work in a ?
...rflow: hidden;
white-space: nowrap;
width: 100px;
border: solid 1px #000;
}
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