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What is the purpose of XORing a register with itself? [duplicate]
xor eax, eax will always set eax to zero, right? So, why does MSVC++ sometimes put it in my executable's code? Is it more efficient that mov eax, 0 ?
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Should I delete the cgi-bin folder in a subdomain I just created?
... It's good that you gave the brief answer first, but it's important to give some explanation. Without that, people can only trust that you're right.
– Márton Tamás
Jun 4 '18 at 10:38
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How do I set/unset a cookie with jQuery?
How do I set and unset a cookie using jQuery, for example create a cookie named test and set the value to 1 ?
14 Answers...
Difference between CSS3 transitions' ease-in and ease-out
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CSS3's transitions and animations support easing, formally called a "timing function". The common ones are ease-in, ease-out, ease-in-out, ease, and linear, or you can specify your own using cubic-bezier().
ease-in will start the animation slowly, and finish at...
How to print like printf in Python3?
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In Python2, print was a keyword which introduced a statement:
print "Hi"
In Python3, print is a function which may be invoked:
print ("Hi")
In both versions, % is an operator which requires a string on the left-hand side and a value or a tuple of ...
Search and Replace with RegEx components in Atom editor
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s/(http.*){.uri}/[\1](\1)/g doesn't work in atom with RegEx activated. Maybe it is a bug or a different RegEx syntax. That was the reason of my question.
– wintermeyer
Mar 13 '14 at 9:28
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Human readable javascripts in chrome developer tools
does anybody know whether Chrome Developer Tools can format javascripts into human readable form ? Some kind of beautifier would be handy. Let say that I'm using some JS library and I need to instantiate its object, so that I should know what to put into constructor. But searching through this huge ...
Best way for a 'forgot password' implementation? [closed]
I'm looking for the best method to implement a "forgot password" feature.
10 Answers
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What is a good regular expression to match a URL? [duplicate]
...Z0-9()@:%_\+.~#?&//=]*)
To try this out see http://regexr.com?37i6s, or for a version which is less restrictive http://regexr.com/3e6m0.
Example JavaScript implementation:
var expression = /[-a-zA-Z0-9@:%._\+~#=]{1,256}\.[a-zA-Z0-9()]{1,6}\b([-a-zA-Z0-9()@:%_\+.~#?&//=]*)?/gi;
var r...
Determining Referer in PHP
...at is the most reliable and secure way to determine what page either sent, or called (via AJAX), the current page. I don't want to use the $_SERVER['HTTP_REFERER'] , because of the (lack of) reliability, and I need the page being called to only come from requests originating on my site.
Edit: ...