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How to add a browser tab icon (favicon) for a website?

... Don't forget to hit Ctrl+F5 when testing it. Sometimes it is cached. – Hairi Feb 6 '19 at 17:39 ...
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IE7 Z-Index Layering Issues

I've isolated a little test case of IE7's z-index bug, but don't know how to fix it. I have been playing with z-index all day long. ...
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Pandas conditional creation of a series/dataframe column

... only have two choices to select from: df['color'] = np.where(df['Set']=='Z', 'green', 'red') For example, import pandas as pd import numpy as np df = pd.DataFrame({'Type':list('ABBC'), 'Set':list('ZZXY')}) df['color'] = np.where(df['Set']=='Z', 'green', 'red') print(df) yields Set Type c...
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Why doesn't this code simply print letters A to Z?

...metic operations on character variables and not C's. For example, in Perl 'Z'+1 turns into 'AA', while in C 'Z'+1 turns into '[' ( ord('Z') == 90, ord('[') == 91 ). Note that character variables can be incremented but not decremented and even so only plain ASCII characters (a-z and A-Z) are supporte...
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Java regex email

...static final Pattern VALID_EMAIL_ADDRESS_REGEX = Pattern.compile("^[A-Z0-9._%+-]+@[A-Z0-9.-]+\\.[A-Z]{2,6}$", Pattern.CASE_INSENSITIVE); public static boolean validate(String emailStr) { Matcher matcher = VALID_EMAIL_ADDRESS_REGEX.matcher(emailStr); return matcher.find(); } W...
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Why does z-index not work?

So if I understand z-index correctly, it would be perfect in this situation: 4 Answers ...
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css z-index lost after webkit transform translate3d

I have two absolutely positioned div elements that overlap. Both have set z-index values via css. I use the translate3d webkit transform to animate these elements off the screen, and then back onto the screen. After the transform, the elements no longer respect their set z-index values. ...
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z-index not working with fixed positioning

...ent in this case) Positioned elements (and their children) with negative z-index values (higher values are stacked in front of lower values; elements with the same value are stacked according to appearance in the HTML) Non-positioned elements (ordered by appearance in the HTML) Positioned elem...
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Preserving signatures of decorated functions

... convert all arguments to a specific type, perform logging, implement memoization, etc. 6 Answers ...
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How do I merge two dictionaries in a single expression in Python (taking union of dictionaries)?

...two Python dictionaries in a single expression? For dictionaries x and y, z becomes a shallowly merged dictionary with values from y replacing those from x. In Python 3.5 or greater: z = {**x, **y} In Python 2, (or 3.4 or lower) write a function: def merge_two_dicts(x, y): z = x.copy() # s...