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Fastest Way to Find Distance Between Two Lat/Long Points
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edited Oct 2 '17 at 15:05
Peter K.
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'float' vs. 'double' precision
...ary representation, not a decimal one.
Single precision (float) gives you 23 bits of significand, 8 bits of exponent, and 1 sign bit.
Double precision (double) gives you 52 bits of significand, 11 bits of exponent, and 1 sign bit.
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How many concurrent AJAX (XmlHttpRequest) requests are allowed in popular browsers?
...imum.
IE6, IE7 - have a limit of two. IE8 is 6 if you have a broadband - 2 (if it's a dial up).
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Read lines from a file into a Bash array [duplicate]
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125
Latest revision based on comment from BinaryZebra's comment
and tested here. The addition of c...
How can I get my Twitter Bootstrap buttons to right align?
... the class attribute and let bootstrap arrange the buttons.
For Bootstrap 2.3, see: http://getbootstrap.com/2.3.2/components.html#misc > Helper classes > .pull-right.
For Bootstrap 3, see: https://getbootstrap.com/docs/3.3/css/#helper-classes > Helper classes.
For Bootstrap 4, see: htt...
How do BitTorrent magnet links work?
... followed by the format ( btih in this case) with a SHA1 hash. I saw base32 mentioned, knowing it's 5 bits per character and 32 characters, I found it holds exactly 160bits, which is exactly the size of the SHA1.
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UIView frame, bounds and center
...s) among the previous properties:
frame.origin = center - (bounds.size / 2.0)
center = frame.origin + (bounds.size / 2.0)
frame.size = bounds.size
NOTE: These relationships do not apply if views are rotated. For further info, I will suggest you take a look at the following image taken from The K...
Importing a CSV file into a sqlite3 database table using Python
...your_filename.db'
cur = con.cursor()
cur.execute("CREATE TABLE t (col1, col2);") # use your column names here
with open('data.csv','r') as fin: # `with` statement available in 2.5+
# csv.DictReader uses first line in file for column headings by default
dr = csv.DictReader(fin) # comma is de...
OnChange event handler for radio button (INPUT type=“radio”) doesn't work as one value
...Radios" value="1" />
<input type="radio" name="myRadios" value="2" />
</form>
Here's a JSFiddle demo: https://jsfiddle.net/crp6em1z/
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