大约有 40,000 项符合查询结果(耗时:0.0342秒) [XML]

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ALTER TABLE to add a composite primary key

...dexed from left to right. For example, consider the following queries: A) SELECT person, place, thing FROM provider WHERE person = 'foo' AND thing = 'bar'; B) SELECT person, place, thing FROM provider WHERE person = 'foo' AND place = 'baz'; C) SELECT person, place, thing FROM provider WHERE person ...
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How do I select text nodes with jQuery?

...ext nodes with the accepted filter function. If you're only interested in selecting text nodes that contain non-whitespace, try adding a nodeValue conditional to your filter function, like a simple $.trim(this.nodevalue) !== '': $('element') .contents() .filter(function(){ return t...
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“Insert if not exists” statement in SQLite

... and text you should be able to do like this: INSERT INTO memos(id,text) SELECT 5, 'text to insert' WHERE NOT EXISTS(SELECT 1 FROM memos WHERE id = 5 AND text = 'text to insert'); If a record already contains a row where text is equal to 'text to insert' and id is equal to 5, then the insert op...
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Cannot highlight all occurrences of a selected word in Eclipse

...etting the C/C++ Occurrences and C/C++ Write occurrences. But still when I select a word it won't highlight all occurrences of that specific word. ...
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Where is svn.exe in my machine?

... program is installed. In the installer, the command line tools need to be selected for this: (If you have already installed TortoiseSVN, then rerun the installer and select "Modify") share | impr...
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ng-model for `` (with directive DEMO)

...cope.fileread = changeEvent.target.files[0]; // or all selected files: // scope.fileread = changeEvent.target.files; }); }); } } }]); share ...
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How do I display a text file content in CMD?

...e lines in the text file simply read the file using Get-Content, then have Select-Object pick out the last five items/lines for you: Get-Content c:\scripts\test.txt | Select-Object -last 5 Source: Using the Get-Content Cmdlet ...
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How to disable UITextField editing but still accept touch?

... inputView . Its all good, except that I can edit by copy, paste, cut and select text, and I don't want it. Only the Picker should modify text field. ...
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What is cardinality in MySQL?

...ow cardinality column with only 2 possible values as the index will not be selective enough to be used. share | improve this answer | follow | ...
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How to get Spinner value?

In Android, I am trying to get the selected Spinner value with a listener. 7 Answers 7...