大约有 1,162 项符合查询结果(耗时:0.0302秒) [XML]

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How to select a CRAN mirror in R

... options(repos=r) }) which is in ~/.Rprofile. Edit: As it is now 2018, we can add that for the last few years the URL "https://cloud.r-project.org" has been preferable as it reflects a) https access and b) an "always-near-you" CDN. ...
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jQuery and AJAX response header

... UPDATE 2018 FOR JQUERY 3 AND LATER I know this is an old question but none of the above solutions worked for me. Here is the solution that worked: //I only created this function as I am making many ajax calls with different urls a...
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Duplicating a MySQL table, indices, and data

...le('tableName'); Which will result in a duplicate table called tableName_20181022235959 If called when SELECT NOW(); results: 2018-10-22 23:59:59 Implementation DELIMITER $$ CREATE PROCEDURE duplicate_table(IN tableName VARCHAR(255)) BEGIN DECLARE schemaName VARCHAR(255) DEFAULT SCH...
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Create an array with same element repeated multiple times

...'a').split(''); // returns ['a','a','a','a','a'] (5 times) Update (01/06/2018): Now you can have a set of characters repeating. new Array(5).fill('a'); // give the same result as above; // or Array.from({ length: 5 }).fill('a') Note: Check more about fill(...) and from(...) for compatibility a...
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Optimize Font Awesome for only used classes

...nk helped me with the integration of the new icons https://tonyxu.io/posts/2018/use-icomoon-to-reduce-fontawesome-size/ share | improve this answer | follow | ...
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Convert from ASCII string encoded in Hex to plain ASCII?

...\x75 \x6c" Example user@linux:~# python Python 2.7.14+ (default, Mar 13 2018, 15:23:44) [GCC 7.3.0] on linux2 Type "help", "copyright", "credits" or "license" for more information. >>> print "\x70 \x61 \x75 \x6c" p a u l >>> exit() user@linux:~# or Python 2 One-Liner pyt...
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How to select rows that have current day's timestamp?

...irectly write it like : select * from `table_name` where timestamp >= '2018-07-07'; // here the timestamp is the name of the column having type as timestamp or For fetching today date , CURDATE() function is available , so : select * from `table_name` where timestamp >= CURDATE(); ...
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How to Test Facebook Connect Locally

... @kolistivra developers.facebook.com/blog/post/2018/06/08/… – Simon_Weaver Dec 3 '18 at 23:56 ...
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Show just the current branch in Git

...a simpler approach: git branch --show-current. See commit 0ecb1fc (25 Oct 2018) by Daniels Umanovskis (umanovskis). (Merged by Junio C Hamano -- gitster -- in commit 3710f60, 07 Mar 2019) branch: introduce --show-current display option When called with --show-current, git branch will pri...
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pip install mysql-python fails with EnvironmentError: mysql_config not found

...self the mysql suite. Update: For recent versions of debian/ubuntu (as of 2018) it is sudo apt install default-libmysqlclient-dev share | improve this answer | follow ...