大约有 46,000 项符合查询结果(耗时:0.0365秒) [XML]

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OnChange event handler for radio button (INPUT type=“radio”) doesn't work as one value

...ame attribute myRadios to read the variable prev which holds the currently selected radio. A comparison is done within each click handler to decide if the clicked radio is the same as the one stored in prev and if not then the currently clicked radio is stored there. Within the click handler, you ha...
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How to select multiple files with ?

How to select multiple files with <input type="file"> ? 9 Answers 9 ...
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Unbound classpath container in Eclipse

... or 4. goto Properties -> Java Build Path -> Libraries Tab -> Select the erroneous system library -> Edit (On the right) -> Select alternate JRE -> Finish. – Rajkiran Jun 26 '14 at 12:11 ...
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Query grants for a table in postgres

... I already found it: SELECT grantee, privilege_type FROM information_schema.role_table_grants WHERE table_name='mytable' share | improve this...
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How to make a query with group_concat in sql server [duplicate]

... Query: SELECT m.maskid , m.maskname , m.schoolid , s.schoolname , maskdetail = STUFF(( SELECT ',' + md.maskdetail FROM dbo.maskdetails md WHERE m.maskid = md.maskid FOR X...
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Remove Identity from a column in a table

...USTERED INDEX IX_Original_Value ON Original (Value); INSERT INTO Original SELECT 'abcd' UNION ALL SELECT 'defg'; You can do the following: --create new table with no IDENTITY CREATE TABLE Original2 ( Id INT PRIMARY KEY , Value NVARCHAR(300) ); CREATE NONCLUSTERED INDEX IX_Original_Value2 ON O...
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Xcode 4: create IPA file instead of .xcarchive

...-> Archive. After the Archive operation completes, go to the Organizer, select your archive, select Share and in the "Select the content and options for sharing:" pane set Contents to "iOS App Store Package (.ipa) and Identity to iPhone Distribution (which should match your ad hoc/app store provi...
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How to drop a PostgreSQL database if there are active connections to it?

...Query pg_stat_activity and get the pid values you want to kill, then issue SELECT pg_terminate_backend(pid int) to them. PostgreSQL 9.2 and above: SELECT pg_terminate_backend(pg_stat_activity.pid) FROM pg_stat_activity WHERE pg_stat_activity.datname = 'TARGET_DB' -- ← change this to your DB AN...
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Ordering by specific field value first

...QL FIELD function. If you want complete sorting for all possible values: SELECT id, name, priority FROM mytable ORDER BY FIELD(name, "core", "board", "other") If you only care that "core" is first and the other values don't matter: SELECT id, name, priority FROM mytable ORDER BY FIELD(name, "co...
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How to create an object for a Django model with a many to many field?

...dd(bar1) foo.bars.add(bar2) It generates a whopping total of 7 queries: SELECT "app_bar"."id", "app_bar"."name" FROM "app_bar" WHERE "app_bar"."id" = 1 SELECT "app_bar"."id", "app_bar"."name" FROM "app_bar" WHERE "app_bar"."id" = 2 INSERT INTO "app_foo" ("name") VALUES () SELECT "app_foo_bars"."b...