大约有 18,340 项符合查询结果(耗时:0.0263秒) [XML]

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Search an Oracle database for tables with specific column names?

...olumn: select owner, table_name from all_tab_columns where column_name = 'ID'; To find tables that have any or all of the 4 columns: select owner, table_name, column_name from all_tab_columns where column_name in ('ID', 'FNAME', 'LNAME', 'ADDRESS'); To find tables that have all 4 columns (with...
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Android RatingBar change star colors [closed]

...: Create your own style, by cloning one of the existing styles (from $ANDROID_HOME/platforms/$SDK/data/res/values/styles.xml), putting it in your own project's styles.xml, and referencing it when you add the widget to a layout. Step #2: Create your own LayerDrawable XML resources for the RatingBar,...
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Format number to always show 2 decimal places

... / 100).toFixed(2); Live Demo var num1 = "1"; document.getElementById('num1').innerHTML = (Math.round(num1 * 100) / 100).toFixed(2); var num2 = "1.341"; document.getElementById('num2').innerHTML = (Math.round(num2 * 100) / 100).toFixed(2); var num3 = "1.345"; document.getElementById(...
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Blank HTML SELECT without blank item in dropdown list

... Just use disabled and/or hidden attributes: <option selected disabled hidden style='display: none' value=''></option> selected makes this option the default one. disabled makes this option unclickable. style='display: none' makes this ...
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socket.io and session?

...lashsocket transport in my code. To make it work, in the express/connect side, I explicitly define the session store so I can use it inside socket: MemoryStore = require('connect/middleware/session/memory'), var session_store = new MemoryStore(); app.configure(function () { app.use(express.sessi...
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jQuery get value of selected radio button

...adio button from a radio group. Every radio button in the group share same id. 27 Answers ...
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jQuery form serialize - empty string

... You have to give the input element a name. E.g.: <form id="form1" action="/Home/Test1" method="post" name="down"> <div id="div2"> <input id="input1" type="text" value="2" name="foo"/> </div> </form> will give you in the alert box f...
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Uniq by object attribute in Ruby

... Use Array#uniq with a block: @photos = @photos.uniq { |p| p.album_id } share | improve this answer | follow | ...
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IntelliJ IDEA generating serialVersionUID

How do generate this value in IntelliJ IDEA? 12 Answers 12 ...
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Why can a function modify some arguments as perceived by the caller, but not others?

... @MarkRansom, I think it does make sense if you want to provide optional output destination as in: def foo(x, l=None): l=l or []; l.append(x**2); return l[-1]. – Janusz Lenar Aug 31 '12 at 13:03 ...