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Disabling user selection in UIWebView
...}
</style>
Programmatically load the following Javascript code:
NSString * jsCallBack = @"window.getSelection().removeAllRanges();";
[webView stringByEvaluatingJavaScriptFromString:jsCallBack];
Disable the Copy / Paste user menu:
- (BOOL)canPerformAction:(SEL)action withSender:(id)se...
SQL - Query to get server's IP address
...@pos = CharIndex (':',@ipLine,1);
set @ip = rtrim(ltrim(substring (@ipLine ,
@pos + 1 ,
len (@ipLine) - @pos)))
end
drop table #temp
set nocount off
end
go
declare @ip varchar(40)
exec sp_get_ip_address @ip out
print @ip
Source of the S...
mailto link with HTML body
...tlook. Note that you must only encode the body text, not the entire mailto string; and you don't need spaces before/after the \n.
– Luke
Nov 12 '14 at 21:42
2
...
How to override to_json in Rails?
...oked to create the data structure, and then that hash is encoded as a JSON string using ActiveSupport::json.encode. This happens for all types: object, numeric, date, string, etc (see the ActiveSupport code).
ActiveRecord objects behave the same way. There is a default as_json implementation that c...
What is a CSRF token ? What is its importance and how does it work?
...s where the CSRF token comes in. A CSRF token is a random,
hard-to-guess string. On a page with a form you want to protect, the
server would generate a random string, the CSRF token, add it to the
form as a hidden field and also remember it somehow, either by storing
it in the session or by ...
Should I pass a shared_ptr by reference? [duplicate]
...n some implementations of std::SP). It's the same if I was passing an std::string object (either const std::string& or by value).
– wolfgang
Dec 5 '11 at 13:36
...
jQuery / Javascript - How do I convert a pixel value (20px) to a number value (20)
I know jQuery has a helper method for parsing unit strings into numbers. What is the jQuery method to do this?
6 Answers
...
What is the most efficient way to create HTML elements using jQuery?
...readable way! Probably not the fast way but certainly less error prone the string addition. Thanks @TheAlpha
– Ares
Jun 2 '17 at 10:00
...
How is the AND/OR operator represented as in Regular Expressions?
..., "part2" (answer 2) or "part1, part2" (answer 3).
I now try to match the string given by the user with the following, automatically created, regex expression:
...
Assigning default value while creating migration file
...generator command either but was able to specify a default value for a new string column as follows by amending the generated migration file before applying "rake db:migrate":
class AddColumnToWidgets < ActiveRecord::Migration
def change
add_column :widgets, :colour, :string, default: 'red...