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Loading/Downloading image from URL on Swift
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785
Xcode 8 or later • Swift 3 or later
Synchronously:
if let filePath = Bundle.main.path(forReso...
How to implement a unique index on two columns in rails
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186
add_index :subscriptions, [:user_id, :content_id], unique: true
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How to pass a single object[] to a params object[]
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answered Aug 30 '08 at 21:36
Adam WrightAdam Wright
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Python datetime - setting fixed hour and minute after using strptime to get day,month,year
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answered Sep 18 '12 at 0:28
nneonneonneonneo
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How do you extract a column from a multi-dimensional array?
...gt;>> import numpy as np
>>> A = np.array([[1,2,3,4],[5,6,7,8]])
>>> A
array([[1, 2, 3, 4],
[5, 6, 7, 8]])
>>> A[:,2] # returns the third columm
array([3, 7])
See also: "numpy.arange" and "reshape" to allocate memory
Example: (Allocating a array with shaping...
How to pip or easy_install tkinter on Windows
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38
Well I can see two solutions here:
1) Follow the Docs-Tkinter install for Python (for Windows):...
#1071 - Specified key was too long; max key length is 767 bytes
... aware that if you set an index on a big char or varchar field which is utf8mb4 encoded, you have to divide the max index prefix length of 767 bytes (or 3072 bytes) by 4 resulting in 191. This is because the maximum length of a utf8mb4 character is four bytes. For a utf8 character it would be three ...
Ansible: Set variable to file content
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8
For remote lookups check the slurp and fetch modules
– Marco Ferrari
Feb 2 '17 at 12:31
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Android - Dynamically Add Views into View
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Mark FisherMark Fisher
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What is the maximum characters for the NVARCHAR(MAX)?
I have declared a column of type NVARCHAR(MAX) in SQL Server 2008, what would be its exact maximum characters having the MAX as the length?
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