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Is Hash Rocket deprecated?
...ust pointless complication to me. Seems like a poorly thought out gee-whiz idea to me and now we're stuck with it and the related confusion forever.
– mu is too short
Apr 19 '12 at 0:05
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Collections.emptyMap() vs new HashMap()
...be modified by the service or method (which is usually a really bad design idea), passing in an immutable collection instead of the mutable one might be the reasonable and safe choice in many cases.
I think of it as "pass by value" convention.
More generally - it is a sensible practice to use an ...
How to use setArguments() and getArguments() methods in Fragments?
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It is returning null in my case, any idea why this is happening ?
– Anirudh
Apr 1 '13 at 10:09
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Using python's eval() vs. ast.literal_eval()?
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I was stuck with ast.literal_eval(). I was trying it in IntelliJ IDEA debugger, and it kept returning None on debugger output.
But later when I assigned its output to a variable and printed it in code. It worked fine. Sharing code example:
import ast
sample_string = '[{"id":"XYZ_GTTC_TYR...
Avoiding instanceof in Java
...andle new types, just add more handle methods...
}
You can expand on the idea to generically handle subclasses and classes that implement certain interfaces.
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differences between 2 JUnit Assert classes
...it.framework.Assert and org.junit.Assert. It is, however, probably a good idea to stick to the org.junit.Assert class since it is newer , slightly rewritten and probably meant as a replacement.
– Glenn Bech
Nov 30 '15 at 9:51
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Why use a prime number in hashCode?
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31 is chosen based on the idea that most implementations have factorizations of relatively small primes. 2s, 3s and 5s usually. It may start at 10 and grow 3X when it gets too full. The size is rarely entirely random. And even if it were, 30/31 are no...
How do I parallelize a simple Python loop?
...ast, but multiprocessing spawns a bunch of stuck processes (in macOS). Any idea why that could be? The process contains just nested loops and math, nothing exotic.
– komodovaran_
Jan 16 '19 at 14:39
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Difference between a user and a schema in Oracle?
...he discussion.
In my little world of thinking:
I have struggled with the idea that I create N number of users where I want each of these users to "consume" (aka, use) a single schema.
Tim at oracle-base.com shows how to do this (have N number of users and each of these users will be "redirected" ...
What's the state of the art in email validation for Rails?
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I'm tempted to use your validation, but I have no idea where you got it from or how you made it. Can you tell us?
– Mauricio Moraes
Oct 1 '14 at 14:26
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