大约有 47,000 项符合查询结果(耗时:0.0337秒) [XML]

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Is there a CSS parent selector?

How do I select the <li> element that is a direct parent of the anchor element? 33 Answers ...
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How to remove all MySQL tables from the command-line without DROP database permissions? [duplicate]

...tatements to execute it: SET FOREIGN_KEY_CHECKS = 0; SET @tables = NULL; SELECT GROUP_CONCAT('`', table_schema, '`.`', table_name, '`') INTO @tables FROM information_schema.tables WHERE table_schema = 'database_name'; -- specify DB name here. SET @tables = CONCAT('DROP TABLE ', @tables); PRE...
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RVM is not a function, selecting rubies with 'rvm use …' will not work

...access to rvm function. If you are running Ubuntu, you can: Open console Select Edit -> Profile Preferences Select tab: Title and Command Check box 'Run command as a login shell' Restart terminal share | ...
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form serialize javascript (no framework)

... Here is pure JavaScript approach: var form = document.querySelector('form'); var data = new FormData(form); var req = new XMLHttpRequest(); req.send(data); Though it seems to be working only for POST requests. https://developer.mozilla.org/en-US/docs/Web/API/FormData ...
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How to set IntelliJ IDEA Project SDK

... for me to set up the Project SDK. When I click on "JDK" it asks for me to select the home directory of the JDK as shown in this image. ...
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How to put more than 1000 values into an Oracle IN clause [duplicate]

... Put the values in a temporary table and then do a select where id in (select id from temptable) share | improve this answer | follow |...
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MySQL Results as comma separated list

... You can use GROUP_CONCAT to perform that, e.g. something like SELECT p.id, p.name, GROUP_CONCAT(s.name) AS site_list FROM sites s INNER JOIN publications p ON(s.id = p.site_id) GROUP BY p.id, p.name; share ...
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Modifying location.hash without page scrolling

... load if(document.location.hash){ $("#buttons li a").removeClass('selected'); s=$(document.location.hash.replace("btn_","")).addClass('selected').attr("href").replace("javascript:",""); eval(s); } //Click a button to change the hash $("#buttons li a").click(function()...
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How to get the selected radio button’s value?

...r working. I just want to find the value of the radio button (which one is selected) and return it to a variable. For some reason it keeps returning undefined . ...
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INNER JOIN ON vs WHERE clause

...ed is a cartesian product of the tables to which a filter is applied which selects only those rows with joining columns matching. It's easier to see this with the WHERE syntax. As for your example, in MySQL (and in SQL generally) these two queries are synonyms. Also note that MySQL also has a STR...