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numpy: most efficient frequency counts for unique values in an array
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@Manoj : My elements x are arrays. I am testing the solution of jme.
– Catalina Chircu
Feb 13 at 11:04
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Database Design for Tagging
...hilippkeller.com/2005/04/24/Tags-Database-schemas/
along with performance tests:
http://howto.philippkeller.com/2005/06/19/Tagsystems-performance-tests/
Note that the conclusions there are very specific to MySQL, which (at least in 2005 at the time that was written) had very poor full text indexi...
Best practices for SQL varchar column length [closed]
...ole table, see e.g. here. Since 9.2 this is no longer the case and a quick test confirmed that increasing the column size for a table with 1.2 million rows indeed only took 0.5 seconds.
For Oracle this seems to be true as well, judging by the time it takes to alter a big table's varchar column. Bu...
How to get the type of a variable in MATLAB?
...r one of its subclasses. You have to use strcmp with the class function to test if the object is specifically that type and not a subclass.
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Add column to SQL Server
...umn to Table
ALTER TABLE [table]
ADD Column1 Datatype
E.g
ALTER TABLE [test]
ADD ID Int
If User wants to make it auto incremented then
ALTER TABLE [test]
ADD ID Int IDENTITY(1,1) NOT NULL
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Most used parts of Boost [closed]
...:
regex
filesystem
thread
lexical_cast
program_options (just brilliant!)
test (for all my unit testing needs).
String algorithms
String tokenizer
format (type-safe printf style string formatting)
smart ptrs
Boost was a massive help when I wrote my first cross-platform app - without it I really w...
What's the “big idea” behind compojure routes?
...:
(def example-route (GET "/" [] "<html>...</html>"))
Let's test this at the REPL (the request map below is the minimal valid Ring request map):
user> (example-route {:server-port 80
:server-name "127.0.0.1"
:remote-addr "127.0.0.1"
...
How do I print bold text in Python?
...inal import render
print render('%(BG_YELLOW)s%(RED)s%(BOLD)sHey this is a test%(NORMAL)s')
print render('%(BG_GREEN)s%(RED)s%(UNDERLINE)sAnother test%(NORMAL)s')
UPDATED:
I wrote a simple module named colors.py to make this a little more pythonic:
import colors
with colors.pretty_output(colors...
Swift - How to convert String to Double
...ng, and returns nil when the string does not contain a Double value (e.g. "test" will not return 0.0).
let double = NSNumberFormatter().numberFromString(myString)?.doubleValue
Alternatively, extending Swift's String type:
extension String {
func toDouble() -> Double? {
return Numb...
How can I eliminate slow resolving/loading of localhost/virtualhost (a 2-3 second lag) on Mac OS X L
... duplicate IPv6 entry right above the IPv4 entry like so
fe80::1%lo0 demo.test.dev
127.0.0.1 demo.test.dev
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