大约有 46,000 项符合查询结果(耗时:0.0361秒) [XML]

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How do you join on the same table, twice, in mysql?

... you'd use another join, something along these lines: SELECT toD.dom_url AS ToURL, fromD.dom_url AS FromUrl, rvw.* FROM reviews AS rvw LEFT JOIN domain AS toD ON toD.Dom_ID = rvw.rev_dom_for LEFT JOIN domain AS fromD ON fromD.Dom_ID = rvw.rev_dom_from ED...
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How to increase storage for Android Emulator? (INSTALL_FAILED_INSUFFICIENT_STORAGE)

...onfigurations". You can find that in the drop-down under the "debug" icon. Select "target", and select a preferred emulator target to launch. Then under "additional emulator command line options," add this: -partition-size 1024 Then CLOSE the emulator (and remove any devices), and click the debug ...
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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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Entity framework linq query Include() multiple children entities

...ch allows the required depth of eager loading to be specified by providing Select expressions to the appropriate depth: using System.Data.Entity; // NB! var company = context.Companies .Include(co => co.Employees.Select(emp => emp.Employee_Car)) .Inc...
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How to fix “no valid 'aps-environment' entitlement string found for application” in Xcode 4.3?

...rrect in the build settings. You need to make sure the correct profile is selected for the "Debug" configuration, and to be safe, that you have selected the correct profile for both the "Debug" and child-node labelled "Any iOS SDK": Although this screenshot shows the "Automatic Developer" profil...
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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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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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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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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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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()...