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Modular multiplicative inverse function in Python
... is someone who has implemented some number theory capabilities in Python: http://www.math.umbc.edu/~campbell/Computers/Python/numbthy.html
Here is an example done at the prompt:
m = 1000000007
x = 1234567
y = pow(x,m-2,m)
y
989145189L
x*y
1221166008548163L
x*y % m
1L
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Intersection and union of ArrayLists in Java
....
Find more in the documentation of collection(ArrayList is a collection)
http://download.oracle.com/javase/1.5.0/docs/api/java/util/Collection.html
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Create unique constraint with null columns
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
'this' vs $scope in AngularJS controllers
...els to the controller and alias the controller to bind models to the view. http://toddmotto.com/digging-into-angulars-controller-as-syntax/ is the article.
He doesn't mention it but when defining directives, if you need to share something between multiple directives and don't want a service (there a...
Syntax highlighting/colorizing cat
...ns
sudo apt install highlight
sudo yum install highlight
Bitbucket repo: https://bitbucket.org/birkenfeld/pygments-main
GitHub mirror: https://github.com/sglyon/pygments
In Action:
I'm attaching shots for both down below for a good comparison in highlightings
Here is pygmentize in action:
and th...
How do I copy a hash in Ruby?
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If you're using Rails you can do:
h1 = h0.deep_dup
http://apidock.com/rails/Hash/deep_dup
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How to replace a hash key with another key
...as standard method for it:
hash.transform_keys{ |key| key.to_s.upcase }
http://api.rubyonrails.org/classes/Hash.html#method-i-transform_keys
UPD: ruby 2.5 method
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How do I find out what keystore my JVM is using?
...ws NT systems
C:\Windows\Profiles\cathy on multi-user Windows 95 systems
http://docs.oracle.com/javase/1.5/docs/tooldocs/windows/keytool.html
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How do you include additional files using VS2010 web deployment packages?
...er link if this does not work for you and you have installed an Azure SDK: http://forums.iis.net/t/1190714.aspx
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地图组件（高德地图） · App Inventor 2 中文网
...每个块对应一个特定的URL。
默认高德地图简图模式：https://wprd01.is.autonavi.com/appmaptile?x={x}&y={y}&z={z}&style=7
可调整地图样式，变量说明如下：
域名前缀(wprd,webst)：效果一样，目前还没有找出规律。01 ~ 04 随意都可以，负载均衡...