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What's the difference between TRUNCATE and DELETE in SQL
What's the difference between TRUNCATE and DELETE in SQL?
32 Answers
32
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How can I use a DLL file from Python?
...y.
hllDll = ctypes.WinDLL ("c:\\PComm\\ehlapi32.dll")
# Set up prototype and parameters for the desired function call.
# HLLAPI
hllApiProto = ctypes.WINFUNCTYPE (
ctypes.c_int, # Return type.
ctypes.c_void_p, # Parameters 1 ...
ctypes.c_void_p,
ctypes.c_void_p,
ctypes.c...
execJs: 'Could not find a JavaScript runtime' but execjs AND therubyracer are in Gemfile
...
Ubuntu Users:
I had the same problem and I fixed it by installing nodejson my system independent of the gem.
on ubuntu its: sudo apt-get install nodejs
I'm using 64bit ubuntu 11.10
update:
From @Galina 's answer below I'm guessing that the latest version of ...
Should “node_modules” folder be included in the git repository
... applications), including node_modules in your git repo is a viable choice and which alternative you choose depends on your project.
Because he argued very well against node_modules I will concentrate on arguments for them.
Imagine that you have just finished enterprise app and you will have to su...
What is the fastest way to get the value of π?
... fastest π I know of is the one with the digits hard coded. Looking at Pi and Pi[PDF], there are a lot of formulae.
Here is a method that converges quickly — about 14 digits per iteration. PiFast, the current fastest application, uses this formula with the FFT. I'll just write the formula, since...
How to create GUID / UUID?
...vaScript. I'm not sure what routines are available on all browsers, how "random" and seeded the built-in random number generator is, etc.
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What are Vertex Array Objects?
...://openglbook.com/the-book/
I got to chapter 2, where I draw a triangle, and I understand everything except VAOs (is this acronym OK?). The tutorial has this code:
...
nginx showing blank PHP pages
..._errors in php.ini but no luck. php5-fpm.log is not producing any errors and neither is nginx.
17 Answers
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Can You Get A Users Local LAN IP Address Via JavaScript?
I know the initial reaction to this question is "no" and "it can't be done" and "you shouldn't need it, you are doing something wrong". What I'm trying to do is get the users LAN IP address, and display it on the web page. Why? Because that's what the page I'm working on is all about, showing as muc...
What does the “map” method do in Ruby?
...
The map method takes an enumerable object and a block, and runs the block for each element, outputting each returned value from the block (the original object is unchanged unless you use map!):
[1, 2, 3].map { |n| n * n } #=> [1, 4, 9]
Array and Range are enume...