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RegEx: Smallest possible match or nongreedy match
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For a regular expression like .* or .+, append a question mark (.*? or .+?) to match as few characters as possible. To optionally match a section (?:blah)? but without matching unless absolutely necessary, use something like (...
How accurately should I store latitude and longitude?
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Accuracy versus decimal places at the equator
decimal degrees distance
places
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0 1.0 111 km
1 0.1 11.1 km
2 0.01 1.11 km
3 0.001 111 m
4 0.0001 11.1 m
5 0.0000...
Writing to an Excel spreadsheet
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import xlwt
def output(filename, sheet, list1, list2, x, y, z):
book = xlwt.Workbook()
sh = book.add_sheet(sheet)
variables = [x, y, z]
x_desc = 'Display'
y_desc = 'Dominance'
z_desc = 'Test'
desc =...
How to make Java honor the DNS Caching Timeout?
We use GSLB for geo-distribution and load-balancing. Each service is assigned a fixed domain name. Through some DNS magic, the domain name is resolved into an IP that's closest to the server with least load. For the load-balancing to work, the application server needs to honor the TTL from DNS respo...
Entity Framework 4 Single() vs First() vs FirstOrDefault()
...ing a devil of a time finding a comparison of the different ways to query for a single item, and when to use each.
6 Answer...
How dangerous is it to access an array out of bounds?
...ppen that I read from outside the array (I now understand I then access memory used by some other parts of my program or even beyond that) or I am trying to set a value to an index outside of the array. The program sometimes crashes, but sometimes just runs, only giving unexpected results.
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Dependency Injection vs Factory Pattern
Most of the examples quoted for usage of Dependency Injection, we can solve using the factory pattern as well. Looks like when it comes to usage/design the difference between dependency injection and factory is blurred or thin.
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How to check if the URL contains a given string?
...and I want to check if the string has "buying-a-car but the script" isn't working?
– Vennsoh
Jul 9 '15 at 2:16
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Is APC compatible with PHP 5.4 or PHP 5.5?
...cide with the php 5.4 release (I wish they would have included APC in PHP core like originally planned).
14 Answers
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Check whether variable is number or string in JavaScript
Does anyone know how can I check whether a variable is a number or a string in JavaScript?
32 Answers
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