大约有 44,000 项符合查询结果（耗时：0.0487秒） [XML]
Picking a random element from a set
...0% boost in speed, but YMMV. (Also, this compiles without having to add an extra return statement.)
Note that this code (and most other answers) can be applied to any Collection, not just Set. In generic method form:
public static <E> E choice(Collection<? extends E> coll, Random rand)...
Which sort algorithm works best on mostly sorted data? [closed]
...hat the data is partially sorted before using it.
Its disadvantage is the extra space overhead of the splay tree structure it needs, as well as the time required to build and destroy the splay tree. But depending on the size of data and amount of pre-sortedness that you expect, the overhead may be...
Google Maps V3: How to disable “street view”?
...I'm using it on my app and it still works. I added this comment to give an extra info because when i searched for disabling the whole interface this page came up first.
– perfectminimalist
Jun 5 '18 at 14:09
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Maven Install on Mac OS X
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Download Maven from its homepage
Follow the installation instructions:
Extract the distribution archive, i.e.apache-maven-3.3.9-bin.tar.gz to the directory you wish to install Maven 3.3.9. The subdirectory apache-maven-3.3.9 will be created from the archive.
Optional: Add the MAVEN_OPTS environm...
How to check if all list items have the same value and return it, or return an “otherValue” if they
...etty clear, short, covers all the cases, and does not unnecessarily create extra iterations of the sequence.
Making this into a generic method that works on IEnumerable<T> is left as an exercise. :-)
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Comment out text in R Markdown (Rmd file)
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Extra yaml blocks can be used anywhere inside the document, and commented out with #
---
title: "Untitled"
output: html_document
---
No comment.
---
# here's a comment
# ```{r}
# x = pi
# ```
---
Note however that this ...
Good reasons NOT to use a relational database?
...eters because business users can simply look at them and edit them without extra tools. Text files are great for write-once/read-almost-never applications like logging. To pick an approach you need to figure out what you're trying to accomplish
– O. Jones
Jul 1...
javac option to compile all java files under a given directory recursively
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Very simple method, does not rely on extra files
– linquize
Dec 27 '15 at 2:20
T...
Python `if x is not None` or `if not x is None`?
...d it at a glance, where the slightly less common syntax will take a couple extra brain cycles to parse.
Don't be different just for the sake of being different, at least in this field.
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impr...
How to automate createsuperuser on django?
...peruser('admin', 'admin@example.com', 'adminpass')"
This doesn't uses an extra echo, this has the benefit that you can pass it to a docker container for execution. Without the need to use sh -c "..." which gets you into quote escaping hell.
And remember that first comes username, than the email.
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