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What exactly do “u” and “r” string flags do, and what are raw string literals?

... >>> sys.getsizeof('ciao') 28 >>> sys.getsizeof(u'ciao') 34 The Unicode object of course takes more memory space (very small difference for a very short string, obviously ;-). share | ...
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How to suppress Update Links warning?

...r warnings, i.e. Application.DisplayAlerts = False suppresses WARNING #2. 3. Application.AskToUpdateLinks = False Application.AskToUpdateLinks = False Application.Workbooks.Open Filename:="C:\Book1withLinkToBook2.xlsx" Application.AskToUpdateLinks = True Opposite to DisplayAlerts, this code ends...
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How do I install pip on macOS or OS X?

... 3300 UPDATE (Jan 2019): easy_install has been deprecated. Please use get-pip.py instead: curl ht...
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Show Youtube video source into HTML5 video tag?

...your favorite youtube url Step 2: Find <video/> tag in source Step 3: Add controls="controls" to video tag: <video controls="controls"..../> Example: <video controls="controls" class="video-stream" x-webkit-airplay="allow" data-youtube-id="N9oxmRT2YWw" ...
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Timeout function if it takes too long to finish [duplicate]

... 236 The process for timing out an operations is described in the documentation for signal. The bas...
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Can you target with css?

... | edited May 23 '17 at 10:31 Community♦ 111 silver badge answered May 22 '09 at 18:41 ...
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What is an Android PendingIntent?

... NotificationManager, AlarmManager, Home Screen AppWidgetManager, or other 3rd party applications), which allows the foreign application to use your application's permissions to execute a predefined piece of code. If you give the foreign application an Intent, it will execute your Intent with its o...
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Red black tree over avl tree

... 43 In general, the rotations for an AVL tree are harder to implement and debug than that for a Red-Black tree. is not true. ...
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Is ASCII code 7-bit or 8-bit?

...es its practical definition from Unicode, not its original standard (ANSI X3.4-1968), because historically there were several dozen variations on the ASCII 127-character repertoire -- for instance, some of the punctuation might be replaced with accented letters to facilitate the transmission of Fren...
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JPA CascadeType.ALL does not delete orphans

...| edited Dec 16 '15 at 12:39 community wiki 5 r...