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Create a CSS rule / class with jQuery at runtime

...) .appendTo("head"); Noticed the back slashes? They are used to join strings that are on new lines. Leaving them out generates an error. share | improve this answer | f...
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Changing image size in Markdown

... or height, and the space before /> is optional, but other than that no extra whitespace is allowed). GitHub, by contrast, supports (at least) also alt and title attributes, and allows extra whitespace. – mklement0 Jul 9 at 21:09 ...
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Redirecting from HTTP to HTTPS with PHP

...rects to prevent the rest of the page from executing (and possibly sending extra information to the client) (i.e. to hackers or browsers that may not respect the header). – dajon Dec 11 '13 at 7:16 ...
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Why not use tables for layout in HTML? [closed]

... and think about what's wrong here... class car { int wheels = 4; string engine; } car mybike = new car(); mybike.wheels = 2; mybike.engine = null; The problem, of course, is that a bike is not a car. The car class is an inappropriate class for the bike instance. The code is error-free, ...
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Why are trailing commas allowed in a list?

...but forgot to add a comma on the previous line ] and triggering implicit string literal concatenation, producing s = ['manny', 'mo', 'jackroger'] instead of the intended result. share | improve th...
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Android device does not show up in adb list [closed]

...show up with "Unknown driver" status. Click on "Update Driver" and select /extras/google/usb_driver Device Manager will find the driver and warn you about installing it. Select "Yes." This time the device got installed properly. Note that I didn't have to modify winusb.inf file or update any othe...
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How to parse/read a YAML file into a Python object? [duplicate]

...t form a path to a node in the representation graph. Paths elements can be string values, integers, or None. The kind of a node can be str, list, dict, or None. #!/usr/bin/env python import yaml class Person(yaml.YAMLObject): yaml_tag = '!person' def __init__(self, name): self.name = name...
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How do I prevent the padding property from changing width or height in CSS?

... change your div width to 160px if you have a padding of 20px it adds 40px extra to the width of your div so you need to subtract 40px from the width in order to keep your div looking normal and not distorted with extra width on it and your text all messed up. ...
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How do you serialize a model instance in Django?

...ou have a completely flat data structure (no ForeignKeys, only numbers and strings in the database, etc.). Otherwise, you should seriously think about the right way to implement this method. Third, call demjson.JSON.encode(instance) and you have what you want. ...
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Python division

... beginning from the first division, i.e. the leftmost one, we use floats. Extra 1: If you are trying to answer that to improve arithmetic evaluation, you should check this Extra 2: Please be careful of the following scenario: >>> a = float(1/2/3/4/5/4/3) >>> a 0.0 ...