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Using a dictionary to count the items in a list [duplicate]
...
in 2.7 and 3.1 there is special Counter dict for this purpose.
>>> from collections import Counter
>>> Counter(['apple','red','apple','red','red','pear'])
Counter({'red': 3, 'apple': 2, 'pear': 1})
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Permission is only granted to system app
...ammatically. Anyone have any solution to implement this feature in Android 3.1 above Marshmallow, please share.
– Nithinjith
Apr 9 '18 at 3:18
3
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地图组件（高德地图） · App Inventor 2 中文网
...“标记”的颜色的透明度。值为 0.0 表示完全透明，值为 1.0 表示完全不透明。
高度
设置标记的垂直高度，以像素px为单位。
高度百分比
设置标记的垂直高度相对于整个屏幕高度的百分比。
图像素材
指定标记显示的图...
How do you round a floating point number in Perl?
...ill have an issue on half-way-point
alternation:
for ($i = 0; $i < 1.01; $i += 0.05) { printf "%.1f ",$i}
0.0 0.1 0.1 0.2 0.2 0.2 0.3 0.3 0.4 0.4 0.5 0.5 0.6 0.7 0.7
0.8 0.8 0.9 0.9 1.0 1.0
Don't blame Perl. It's the same as in C. IEEE says we have to do
this. Perl numbers whos...
Format floats with standard json module
...LOAT_REPR encoder.FLOAT_REPR = lambda o: format(o, '.2f') print json.dumps(1.0001) encoder.FLOAT_REPR = original_float_repr
– Jeff Kaufman
Oct 18 '13 at 17:05
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How to unload a package without restarting R
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What error do you get? Because it works for me (R 3.1). And the second solution is the same @koshke's answer, only without unload (so the package namespace is not unloaded).
– alko989
Jun 11 '14 at 1:32
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All Ruby tests raising: undefined method `authenticate' for nil:NilClass
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The above answer did not work for me (RSpec 3.1)
See https://stackoverflow.com/a/21166482/1161743 for a solution that worked for me.
You will need to log out an anonymous user before setting up variables:
before :each do
sign_out :user
end
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How to make blinking/flashing text with CSS 3
...
@-webkit-keyframes blinker {
0% { opacity: 1.0; }
50% { opacity: 0.0; }
100% { opacity: 1.0; }
}
@-webkit-keyframes blinker {
0% { opacity: 1.0; }
50% { opacity: 0.0; }
100% { opacity: 1.0; }
}
.blink {
width: 10px;
height: 10px;
bord...
OAuth with Verification in .NET
...o use. It's open source and available here: Oauth.cs
For review, in OAuth 1.0a...kinda funny, there's a special name and it looks like a "standard" but as far as I know the only service that implements "OAuth 1.0a" is Twitter. I guess that's standard enough. ok, anyway in OAuth 1.0a, the way it w...
Which version of C# am I using
...keet's answer about Versions.
Here is short version of his answer.
C# 1.0 released with .NET 1.0
C# 1.2 (bizarrely enough); released
with .NET 1.1
C# 2.0 released with .NET 2.0
C# 3.0 released with .NET 3.5
C# 4.0 released with .NET 4
C# 5.0 released with ...