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How to read an external properties file in Maven
... I know there are ways to use resource filtering to read a properties file and set values from that, but I want a way in my pom.xml like:
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Select all child elements recursively in CSS
... element y that is inside x, however deeply nested it may be - children, grandchildren and so on.
The asterisk * matches any element.
Official Specification: CSS 2.1: Chapter 5.5: Descendant Selectors
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How to find all occurrences of an element in a list?
...onverting outweighs the speed gain (tested on integer lists with 100, 1000 and 10000 elements).
NOTE: A note of caution based on Chris_Rands' comment: this solution is faster than the list comprehension if the results are sufficiently sparse, but if the list has many instances of the element that i...
How to get overall CPU usage (e.g. 57%) on Linux [closed]
I am wondering how you can get the system CPU usage and present it in percent using bash, for example.
5 Answers
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Why is JsonRequestBehavior needed?
...rgument, you should take that time to consider what data you are exposing, and how sensitive it is.
– danludwig
Dec 11 '11 at 14:42
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How to use regex in String.contains() method in Java
I want to check if a String contains the words "stores", "store", and "product" in that order, no matter what is in between them.
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Group by with multiple columns using lambda
...y test for each object you're grouping by would fail since they're objects and not structs.
– Jacob
Aug 4 '11 at 2:17
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Add up a column of numbers at the Unix shell
..... | paste -sd+ - | bc
is the shortest one I've found (from the UNIX Command Line blog).
Edit: added the - argument for portability, thanks @Dogbert and @Owen.
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Pretty-print a Map in Java
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This does not handle arrays as map's values (eg. Map<String, String[]>). Only their className and hash is printed instead of actual values.
– Petr Újezdský
Oct 19 '16 at 8:49
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Why does Math.Floor(Double) return a value of type Double?
I need to get the left hand side integer value from a decimal or double. For Ex: I need to get the value 4 from 4.6. I tried using Math.Floor function but it's returning a double value, for ex: It's returning 4.0 from 4.6. The MSDN documentation says that it returns an integer value. Am I missing so...