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Get yesterday's date in bash on Linux, DST-safe
...ng service, but a resource for knowledge. High quality, complete answers reinforce this idea, and are more likely to be upvoted. These features, plus the requirement that all posts be self-contained, are some strengths of SO as a platform that differentiates us from forums. You can edit to add addit...
How to npm install to a specified directory?
...I have mentioned the specific version of npm I had tried with. Please feel free to update the answer with working commands for other versions too.
– Rohit Sharma
Aug 9 '19 at 7:00
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php var_dump() vs print_r()
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The var_dump function displays structured information about variables/expressions including its type and value. Arrays are explored recursively with values indented to show structure. It also shows which array values and object properties are references.
The print_r...
Syntax of for-loop in SQL Server
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Extra Info
Just to add as no-one has posted an answer that includes how to actually iterate though a dataset inside a loop, you can use the keywords OFFSET FETCH.
Usage
DECLARE @i INT = 0;
SELECT @count= Count(*) FROM {TABLE}
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Different names of JSON property during serialization and deserialization
...e @jsonAlias which got introduced in jackson 2.9.0
Example:
public class Info {
@JsonAlias({ "red" })
public String r;
}
This uses r during serialization, but allows red as an alias during deserialization. This still allows r to be deserialized as well, though.
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How to get parameters from a URL string?
... Use a part called 'query' - there you can find your email parameter. More info: http://php.net/manual/en/function.parse-url.php
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How can I clear the SQL Server query cache?
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One maight also include DBCC FREEPROCCACHE
– jaraics
Sep 28 '11 at 7:42
1
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Difference between natural join and inner join
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@philipxy: Thanks, I've made amendments. Please feel free to edit - this or any of my answers - for misstatements and misunderstandings. I'm still learning from you :)
– onedaywhen
Nov 9 '18 at 11:24
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Why are arrays covariant but generics are invariant?
...an Integer also a Number, but an Integer[] is also a Number[], and you are free to pass or assign an Integer[] where a Number[] is called for. (More formally, if Number is a supertype of Integer, then Number[] is a supertype of Integer[].) You might think the same is true of generic types as well --...
List all tables in postgresql information_schema
What is the best way to list all of the tables within PostgreSQL's information_schema?
8 Answers
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