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How to print like printf in Python3?
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209
In Python2, print was a keyword which introduced a statement:
print "Hi"
In Python3, print i...
How to convert 2D float numpy array to 2D int numpy array?
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Use the astype method.
>>> x = np.array([[1.0, 2.3], [1.3, 2.9]])
>>> x
array([[ 1. , 2.3],
[ 1.3, 2.9]])
>>> x.astype(int)
array([[1, 2],
[1, 2]])
share
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WPF Textblock, linebreak in Text attribute
...oblem. The solution for me was to use HTML encoded line feeds (
).
Line1
Line2
Looks like
Line1
Line2
For more of the HTML encoded characters check out w3schools
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Objective-C for Windows
... they also add in support for Objective-C++ and a lot of the Objective-C 2.0 features.
I haven't tested those features with GNUStep, but if you use a sufficiently new version of gcc, you might be able to use them. I was not able to use Objective-C++ with GNUStep a few years ago. However, GNUStep do...
Can a decorator of an instance method access the class?
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answered Mar 2 '10 at 23:10
Dave KirbyDave Kirby
22k44 gold badges5757 silver badges7878 bronze badges
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How do I speed up the scroll speed in a JScrollPane when using the mouse wheel?
... this scroll panel.
– StKiller
May 10 '13 at 10:39
How would you also make this affect clicking in the area between th...
JavaScript, get date of the next day [duplicate]
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tomorrow.setDate(new Date().getDate()+1);
For example, since there are 30 days in April, the following code will output May 1:
var day = new Date('Apr 30, 2000');
console.log(day); // Apr 30 2000
var nextDay = new Date(day);
nextDay.setDate(day.getDate() + 1);
console.log(nextDay); // May 01 20...
Why is char[] preferred over String for passwords?
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edited Apr 20 '18 at 17:50
Neuron
3,54333 gold badges2323 silver badges4040 bronze badges
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Rails: select unique values from a column
...rails 5+
Model.distinct.pluck(:rating)
Update
Apparently, as of rails 5.0.0.1, it works only on "top level" queries, like above. Doesn't work on collection proxies ("has_many" relations, for example).
Address.distinct.pluck(:city) # => ['Moscow']
user.addresses.distinct.pluck(:city) # => [...