大约有 41,000 项符合查询结果（耗时：0.0698秒） [XML]
Changing font size and direction of axes text in ggplot2
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Drew SteenDrew Steen
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2
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What's the difference between globals(), locals(), and vars()?
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Ethan FurmanEthan Furman
47.7k1414 gold badges113113 silver badges189189 bronze badges
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Extract elements of list at odd positions
... second at 1 etc.):
1, 3, 5
so the result (actual numbers) will be:
2, 4, 6
Explanation
The [1::2] at the end is just a notation for list slicing. Usually it is in the following form:
some_list[start:stop:step]
If we omitted start, the default (0) would be used. So the first element (at po...
VIM ctrlp.vim plugin: how to rescan files?
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answered Dec 29 '11 at 4:05
JeetJeet
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Get the value of an instance variable given its name
... is:
class Computer
attr_reader :cpus
end
Now you can do Computer.new(4).cpus.
Note that you can reopen any existing class and make a private ivar into a reader. Since an accessor is just a method, you can do Computer.new(4).send(var_that_evaluates_to_cpus)
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include external .js file in node.js app
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edited Oct 1 '14 at 15:20
Flimzy
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What's the difference between “Normal Reload”, “Hard Reload”, and ...
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449
Normal reload
The same thing as pressing F5. This will use the cache but revalidate everything...
Return number of rows affected by UPDATE statements
...ARE @RowCount2 INTEGER
DECLARE @RowCount3 INTEGER
DECLARE @RowCount4 INTEGER
UPDATE Table1 Set Column = 0 WHERE Column IS NULL
SELECT @RowCount1 = @@ROWCOUNT
UPDATE Table2 Set Column = 0 WHERE Column IS NULL
SELECT @RowCount2 = @@ROWCOUNT
UPDATE Table3 Set Column = 0 WHE...
location.host vs location.hostname and cross-browser compatibility?
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edited Feb 14 '18 at 15:02
answered Jul 8 '12 at 0:35
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How do I get the resource id of an image if I know its name?
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answered Jun 15 '10 at 9:46
Francesco LauritaFrancesco Laurita
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