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Get name of object or class
...tor), "name:", p.constructor.name , "class:", what(p));
Result:
Code: https://jsbin.com/wikiji/edit?js,console
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Convert a Scala list to a tuple?
...imit no longer exists in 2.11 The case class limit has been lifted in 2.11 https://github.com/scala/scala/pull/2305
It would be possible to manually code a function that converts lists of up to 22 elements, and throws an exception for larger lists. Scala's template support, an upcoming feature, wou...
How can I multiply and divide using only bit shifting and adding?
..., not the division by a constant number, then this thread might be of use: https://stackoverflow.com/a/12699549/1182653
EDIT2:
One of the fastest ways to divide by integer constants is to exploit the modular arithmetics and Montgomery reduction: What's the fastest way to divide an integer by 3?
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How to get a key in a JavaScript object by its value?
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The lodash way https://lodash.com/docs#findKey
var users = {
'barney': { 'age': 36, 'active': true },
'fred': { 'age': 40, 'active': false },
'pebbles': { 'age': 1, 'active': true }
};
_.findKey(users, { 'age': 1, 'ac...
Representing Directory & File Structure in Markdown Syntax [closed]
...'re using VS Code, this is an awesome extension for generating file trees.
https://marketplace.visualstudio.com/items?itemName=Shinotatwu-DS.file-tree-generator
Added directly to markdown...
????quakehunter
┣ ????client
┣ ????node_modules
┣ ????server
┃ ┗ ????index.js
┣ ????.gitig...
Comparing two dataframes and getting the differences
...
Founder a simple solution here:
https://stackoverflow.com/a/47132808/9656339
pd.concat([df1, df2]).loc[df1.index.symmetric_difference(df2.index)]
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Jackson Vs. Gson [closed]
...a case insensitive element from Json?
Case sensitivity support in Jackson
https://gist.github.com/electrum/1260489
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Is there any good dynamic SQL builder library in Java? [closed]
...
You can use the following library:
https://github.com/pnowy/NativeCriteria
The library is built on the top of the Hibernate "create sql query" so it supports all databases supported by Hibernate (the Hibernate session and JPA providers are supported). The bui...
Django filter versus get for single object?
... the party, but with Django 1.6 there is the first() method on querysets.
https://docs.djangoproject.com/en/dev/ref/models/querysets/#django.db.models.query.QuerySet.first
Returns the first object matched by the queryset, or None if there is no matching object. If the QuerySet has no ordering...
How to get cumulative sum
...UNBOUNDED PRECEDING AND CURRENT ROW for window frame ("General Remarks" at https://msdn.microsoft.com/en-us/library/ms189461.aspx)
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