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Rails 4 Authenticity Token
...y looking at the source for request_forgery_protecton.rb, or, more specifically, the following lines:
In Rails 3.2:
# This is the method that defines the application behavior when a request is found to be unverified.
# By default, \Rails resets the session when it finds an unverified request.
def ...
How to convert float to varchar in SQL Server
...
this is the solution I ended up using in sqlserver 2012 (since all the other suggestions had the drawback of truncating fractional part or some other drawback).
declare @float float = 1000000000.1234;
select format(@float, N'#.##############################');
output:
1000000000.1234...
How do I return the response from an asynchronous call?
...nt, return result;, is executed before the function you passed as success callback was even called.
Here is an analogy which hopefully makes the difference between synchronous and asynchronous flow clearer:
Synchronous
Imagine you make a phone call to a friend and ask him to look something up for yo...
Not able to type in textfield in iphone simulator using Mac Keyboard?
...the keyboard will not show up.
Toggle Software keyboard : This option will allow you type using your Mac keypad and will show the iOS on screen keyboard as well.
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ignoring any 'bin' directory on a git project
... mean zero or more sub-directories (see release notes).
The way to ignore all directories called bin anywhere below the current level in a directory tree is with a .gitignore file with the pattern:
bin/
In the man page, there an example of ignoring a directory called foo using an analogous patte...
How to pass optional arguments to a method in C++?
... do_something();
else
do_something_else();
}
you can call myfunc in both ways and both are valid
myfunc(10); // Mode will be set to default 0
myfunc(10, 1); // Mode will be set to 1
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How do I exchange keys with values in a dictionary?
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While this seems to be correct, its really good to add an explanation of how it works rather than just the code.
– Will
Sep 10 '15 at 19:49
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JQuery .each() backwards
...en move them around in the DOM. The problem I'm having is I need to select all the elements in the reverse order that JQuery naturally wants to select them. For example:
...
Getting a list item by index
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Visual Basic, C#, and C++ all have syntax for accessing the Item property without using its name. Instead, the variable containing the List is used as if it were an array.
List[index]
See for instance:
https://msdn.microsoft.com/en-us/library/0ebtb...
Find the host name and port using PSQL commands
...it would be the same host as the web server if one wasn't specified. Typically this would be configured as localhost, assuming your web server and database server are on the same host.
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