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Why are there two build.gradle files in an Android Studio project?
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Why are C# 3.0 object initializer constructor parentheses optional?
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This question was the subject of my blog on September 20th 2010. Josh and Chad's answers ("they add no value so why require them?" and "to eliminate redundancy") are basically correct. To flesh that out a bit more:
The feature of allowing you to elide the argument list as part ...
How to compute the similarity between two text documents?
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array([[1. , 0.17668795, 0.27056873, 0. , 0. ],
[0.17668795, 1. , 0.15439436, 0. , 0. ],
[0.27056873, 0.15439436, 1. , 0.19635649, 0.16815247],
[0. , 0. , 0.19635649, 1. ...
How to set environment variables in Python?
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phoenix
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answered May 11 '11 at 22:27
Sven MarnachSven Ma...
Create PostgreSQL ROLE (user) if it doesn't exist
...TABLE there is no IF NOT EXISTS clause for CREATE ROLE (up to at least pg 12). And you cannot execute dynamic DDL statements in plain SQL.
Your request to "avoid PL/pgSQL" is impossible except by using another PL. The DO statement uses plpgsql as default procedural language. The syntax allows to om...
What is cardinality in MySQL?
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Max cardinality: All values are unique
Min cardinality: All values are the same
Some columns ...
See my work log in jira
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edited Sep 6 '16 at 22:43
Nathron
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answered ...
Check if list contains element that contains a string and get that element
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@UniqueConstraint annotation in Java
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To ensure a field value is unique you can write
@Column(unique=true)
String username;
The @U...
In Git, what is the difference between origin/master vs origin master?
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You can merge multiple branches...
git merge origin/master hotfix-2275 hotfix-2276 hotfix-2290
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