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Rails Observer Alternatives for 4.0
... in to your class. Extracting class methods out to a module may group them by concern, but the class is still just as bloated.
– Steven Soroka
Mar 13 '14 at 16:18
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How do you implement an async action delegate method?
...f it uses the async keyword, then the actual Task instance will be created by a state machine, not the function directly.
– Stephen Cleary
Dec 19 '19 at 13:57
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Argmax of numpy array returning non-flat indices
... occurrences of the maximum value, you can modify eumiro's answer slightly by using argwhere instead of where:
np.argwhere(a==a.max())
>>> a = np.array([[1,2,4],[4,3,4]])
>>> np.argwhere(a==a.max())
array([[0, 2],
[1, 0],
[1, 2]])
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Unknown column in 'field list' error on MySQL Update query
...me. First I tryed using backticks with no luck.
– radbyx
Mar 4 '19 at 9:00
Please escape all variables passed into que...
How do I get a distinct, ordered list of names from a DataTable using LINQ?
...nique names ordered alphabetically. The following query ignores the order by clause.
7 Answers
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Are nested span tags OK in XHTML?
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Yes it will. You can help yourself by using the w3's validator direct input option:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml"...
Get dimension from XML and set text size in runtime
...sources.getDimension() method returns the value that is already multiplied by appropriate metric
– pkuszewski
Nov 14 '18 at 15:18
2
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Quickly create a large file on a Linux system
...l, the write finishes in 2 seconds, with a write data rate of over 500 megabytes per second. That's clearly impossible on a 2.5" laptop harddrive.
– lxgr
Dec 5 '11 at 12:32
21
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django-debug-toolbar not showing up
..._TOOLBAR_CALLBACK = show_toolbar
That will effectively remove all checks by debug toolbar to determine if it should or should not load itself; it will always just load. Only leave that in for testing purposes, if you forget and launch with it, all your visitors will get to see your debug toolbar t...
What is the difference between include and extend in Ruby?
Just getting my head around Ruby metaprogramming. The mixin/modules always manage to confuse me.
6 Answers
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