大约有 13,916 项符合查询结果（耗时：0.0213秒） [XML]
string to string array conversion in java
...tart you off on your assignment, String.split splits strings on a regular expression and this expression may be an empty string:
String[] ary = "abc".split("");
Yields the array:
(java.lang.String[]) [, a, b, c]
Getting rid of the empty 1st entry is left as an exercise for the reader :-)
Note: In ...
How can I make robocopy silent in the command line except for progress?
...robocopy to do backups with a PowerShell script, and it's pretty awesome, except that I'd like it to only show the progress percentage while it copies and not all of the other information.
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Twitter Bootstrap - how to center elements horizontally or vertically
...ggestion there are also native bootstrap classes available like:
class="text-center"
class="pagination-centered"
thanks to @Henning and @trejder
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How do I change my Ruby version using RVM?
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Fixed it. I needed to add:
[[ -s "$HOME/.rvm/scripts/rvm" ]] && . "$HOME/.rvm/scripts/rvm" # This loads RVM
to .zshrc
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How to set Meld as git mergetool
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You could use complete unix paths like:
PATH=$PATH:/c/python26
git config --global merge.tool meld
git config --global mergetool.meld.path /c/Program files (x86)/meld/bin/meld
This is what is described in "How to get meld working with git on Window...
Why is inserting in the middle of a linked list O(1)?
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You are correct, the article considers "Indexing" as a separate operation. So insertion is itself O(1), but getting to that middle node is O(n).
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Output first 100 characters in a string
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it also works for strings shorter than 100, for example print 'foo'[:100] (note that len('foo') is 3, so even when foo[100] doesn't work, it does)
– Rodrigo Laguna
Mar 28 '18 at 19:40
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Bootstrap table without stripe / borders
...r boostrap > 4.1 use <table class='table table-borderless'> per Max below
– tomb
Jul 1 '19 at 14:43
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Redis command to get all available keys?
...ase note the warning at the top of KEYS documentation page:
Time complexity: O(N) with N being the number of keys in the database, under the assumption that the key names in the database and the given pattern have limited length.
UPDATE (V2.8 or greater): SCAN is a superior alternative to KEYS...
Zoom to fit all markers in Mapbox or Leaflet
How do I set view to see all markers on map in Mapbox or Leaflet ? Like Google Maps API does with bounds ?
8 Answers
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