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How can I set a website image that will show as preview on Facebook?
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1. Include the Open Graph XML namespace extension to your HTML declaration
<html xmlns="http://www.w3.org/1999/xhtml"
xmlns:fb="http://ogp.me/ns/fb#">
2. Inside your <head></head> use the following meta tag to define the image y...
CommandError: You must set settings.ALLOWED_HOSTS if DEBUG is False
...= True. Very unsure why.
EDIT: This is due to a Django security update as mentioned in my comment.
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Bootstrap Datepicker - Months and Years Only
... startView: "months",
minViewMode: "months"
});
Also see the documentation.
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The Use of Multiple JFrames: Good or Bad Practice? [closed]
...from a database. I'm trying to decide whether or not to use a separate JFrame to add images to the database from the GUI.
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CSS: How to remove pseudo elements (after, before,…)?
...nt-related styles, thus even if you have paddings and margins set they become inert?
– Ryan Williams
Jul 25 '14 at 13:25
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'too many values to unpack', iterating over a dict. key=>string, value=>list
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Python 2
You need to use something like iteritems.
for field, possible_values in fields.iteritems():
print field, possible_values
See this answer for more information on iterating through dictionaries, such as using items(), across python versions...
Java naming convention for static final variables [duplicate]
...or constants. But in reality, it's all a matter of preference.
The names of constants in interface types should be, and final
variables of class types may conventionally be, a sequence of one or
more words, acronyms, or abbreviations, all uppercase, with components
separated by underscor...
How to navigate a few folders up?
One option would be to do System.IO.Directory.GetParent() a few times. Is there a more graceful way of travelling a few folders up from where the executing assembly resides?
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JavaScript displaying a float to 2 decimal places
....toFixed(2);
Note:toFixed() will round or pad with zeros if necessary to meet the specified length.
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