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Hidden features of Scala
...al regex = "(\\d+)/(\\d+)/(\\d+)".r
val regex(year, month, day) = "2010/1/13"
The second line looks confusing if you're not used to using pattern matching and extractors. Whenever you define a val or var, what comes after the keyword is not simply an identifier but rather a pattern. That's why t...
How to switch position of two items in a Python list?
... Tiago Martins Peres 李大仁
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answered Mar 22 '10 at 16:31
samtregarsamtregar
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best practice to generate random token for forgot password
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edited May 23 '17 at 11:33
Community♦
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answered Sep 20 '13 at 7:14
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Show pop-ups the most elegant way
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edited Jan 17 '18 at 18:33
skeletank
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answered ...
Comparing boxed Long values 127 and 128
...val1 = 127L;
Long val2 = 127L;
System.out.println(val1 == val2);
Long val3 = 128L;
Long val4 = 128L;
System.out.println(val3 == val4);
Outputs this:
true
false
For the 127L value, since both references (val1 and val2) point to the same object instance in memory (cached), it returns true...
Is there a way to list task dependencies in Gradle?
...dim in the comments, this command does not report dependencies, for gradle 3.3 and newer (see https://docs.gradle.org/3.3/release-notes.html#improved-performance-of-tasks-report).
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Difference between rake db:migrate db:reset and db:schema:load
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1328
db:migrate runs (single) migrations that have not run yet.
db:create creates the database
db:...
Database cluster and load balancing
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132
Database clustering is a bit of an ambiguous term, some vendors consider a cluster having two o...
how to set textbox value in jquery
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edited Nov 16 '10 at 12:32
answered Nov 16 '10 at 12:16
F...
How can I inject a property value into a Spring Bean which was configured using annotations?
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293
You can do this in Spring 3 using EL support. Example:
@Value("#{systemProperties.databaseName}...