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Why do people write the #!/usr/bin/env python shebang on the first line of a Python script?
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@Shuzheng _Please read the sentence carefully. It says neither what you or Kaz think it says._
– Sinan Ünür
Nov 21 '19 at 1:58
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How do you write a migration to rename an ActiveRecord model and its table in Rails?
...ameOldTableToNewTable < ActiveRecord::Migration
def self.up
rename_table :old_table_name, :new_table_name
end
def self.down
rename_table :new_table_name, :old_table_name
end
end
I had to go and rename the model declaration file manually.
Edit:
In Rails 3.1 & 4, ActiveReco...
64-bit version of Boost for 64-bit windows
... it is also possible to use the stagedir parametter: "bjam --stagedir=./lib_64bit address-model=64 toolset=msvc threading=multi" and "bjam --stagedir=./lib toolset=msvc threading=multi"
– Odin
Jul 11 '12 at 15:20
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What are all the user accounts for IIS/ASP.NET and how do they differ?
... and setting up IIS. So here goes....
To cover the identities listed:
IIS_IUSRS:
This is analogous to the old IIS6 IIS_WPG group. It's a built-in group with it's security configured such that any member of this group can act as an application pool identity.
IUSR:
This account is analogous to th...
How to HTML encode/escape a string? Is there a built-in?
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for those interested h is an alias for html_escape
– lightswitch05
May 15 '14 at 23:03
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C# Interfaces. Implicit implementation versus Explicit implementation
...t needed: internal struct SomeValueType : IComparable { private Int32 m_x; public SomeValueType(Int32 x) { m_x = x; } public Int32 CompareTo(SomeValueType other) {...);} Int32 IComparable.CompareTo(Object other) { return CompareTo((SomeValueType) other); } } public static void ...
Streaming a video file to an html5 video player with Node.js so that the video controls continue to
....mp4" controls></video>');
} else {
var file = path.resolve(__dirname,"movie.mp4");
fs.stat(file, function(err, stats) {
if (err) {
if (err.code === 'ENOENT') {
// 404 Error if file not found
return res.sendStatus(404);
}
res.end(err...
Given final block not properly padded
...here:
http://www.rsa.com/products/bsafe/documentation/cryptoj35html/doc/dev_guide/group_CJ_SYM__PAD.html
(I assume you have the issue when you try to encrypt)
You can choose your padding schema when you instantiate the Cipher object. Supported values depend on the security provider you are using. ...
Finding all cycles in a directed graph
...nyone using python for this: the Johnson algorithm is implemented as simple_cycle in networkx.
– Joel
Feb 12 '16 at 21:15
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What is the difference between Debug and Release in Visual Studio?
...into functions that might otherwise have been optimized away or in-lined
A _DEBUG preprocessor definition that allows you to write code that acts differently in debug mode compared to release, for example to instrument ASSERTs that should only be used while debugging
Linking to libraries that have a...