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How to show particular image as thumbnail while implementing share on Facebook?
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Here’s how this works all:
You need the ability to access the HTML on the particular webpage you are sharing. It'll probably work site wide too if you use a common header file. I have not tried this, but it should work. You'll just get the same image for all pages if you do this though....
How to solve privileges issues when restore PostgreSQL Database
...roles instead: https://www.postgresql.org/docs/current/static/sql-set-role.html and https://www.postgresql.org/docs/current/static/sql-alterrole.html.
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Favicon not showing up in Google Chrome [duplicate]
... Also the link needs to be in the header and not in the body of an html webpage. Firefox wont have issues loading it, but chrome wont (since it should not). Also a nice way to force refresh is to use ?v=1 at the end of the file location. <link rel="shortcut icon" href="favicon.ico?v=2" ty...
Move the mouse pointer to a specific position?
I'm building a HTML5 game and I am trying to put the mouse cursor over a certain control on a specific event so that moving in a specific direction always has the same result. Is this possible?
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Print only?
...(divName) {
var printContents = document.getElementById(divName).innerHTML;
var originalContents = document.body.innerHTML;
document.body.innerHTML = printContents;
window.print();
document.body.innerHTML = originalContents;
}
Notice how simple this is? No popups, no n...
How to check if a number is a power of 2
... bit twiddling hacks are:
http://graphics.stanford.edu/~seander/bithacks.html
(http://graphics.stanford.edu/~seander/bithacks.html#DetermineIfPowerOf2)
http://bits.stephan-brumme.com/
(http://bits.stephan-brumme.com/isPowerOfTwo.html)
And the grandaddy of them, the book "Hacker's Delight" by Hen...
Is it safe to get values from a java.util.HashMap from multiple threads (no modification)?
...ity in Java:
http://jeremymanson.blogspot.com/2008/04/immutability-in-java.html
Part 2 on Immutability in Java:
http://jeremymanson.blogspot.com/2008/07/immutability-in-java-part-2.html
Part 3 on Immutability in Java:
http://jeremymanson.blogspot.com/2008/07/immutability-in-java-part-3.html
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Call a python function from jinja2
...on2(first_name) }}
My name is {{ custom_function3(first_name) }}
'''
jinga_html_template = Template(template)
def template_function(func):
jinga_html_template.globals[func.__name__] = func
return func
@template_function
def custom_function1(a):
return a.replace('o', 'ay')
@template_fu...
How to pretty print XML from the command line?
...r is a bit annoying to untangle (http://tidy.sourceforge.net/docs/quickref.html).
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Deleting all pending tasks in celery / rabbitmq
...>> app.control.purge()
http://docs.celeryproject.org/en/latest/faq.html#how-do-i-purge-all-waiting-tasks
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