大约有 21,000 项符合查询结果(耗时:0.0468秒) [XML]

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Switching the order of block elements with CSS [duplicate]

...ly need to support a single modern browser: Mobile Safari. See: http://jsfiddle.net/thirtydot/hLUHL/ You can remove the -moz- prefixed properties if you like, I just left them in for future readers. #blockContainer { display: -webkit-box; display: -moz-box; disp...
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PostgreSQL delete with inner join

... DELETE FROM m_productprice B USING m_product C WHERE B.m_product_id = C.m_product_id AND C.upc = '7094' AND B.m_pricelist_version_id='1000020'; or DELETE FROM m_productprice WHERE m_pricelist_version_id='1000020' AND m_product_id IN (SELECT m_product...
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“ArrayAdapter requires the resource ID to be a TextView” xml problems

... The ArrayAdapter requires the resource ID to be a TextView XML exception means you don't supply what the ArrayAdapter expects. When you use this constructor: new ArrayAdapter<String>(this, R.layout.a_layout_file, this.file) R.Layout.a_layout_file must be ...
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How to make layout with View fill the remaining space?

...veLayout. I am giving my layout for clarity: <LinearLayout android:layout_width="fill_parent" android:layout_height="wrap_content" android:orientation="horizontal" > <Button android:layout_width = "80dp" android:layout_weight = "0" and...
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What is the difference between shallow copy, deepcopy and normal assignment operation?

... 6] c = [a, b] Using normal assignment operatings to copy: d = c print id(c) == id(d) # True - d is the same object as c print id(c[0]) == id(d[0]) # True - d[0] is the same object as c[0] Using a shallow copy: d = copy.copy(c) print id(c) == id(d) # False - d is now a n...
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How to extract the decision rules from scikit-learn decision-tree?

...ormat(indent, tree_.value[node]) recurse(0, 1) This prints out a valid Python function. Here's an example output for a tree that is trying to return its input, a number between 0 and 10. def tree(f0): if f0 <= 6.0: if f0 <= 1.5: return [[ 0.]] else: # if f0 > 1.5 ...
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Which is fastest? SELECT SQL_CALC_FOUND_ROWS FROM `table`, or SELECT COUNT(*)

... what situations (if any) it actually is faster! – svidgen Jan 9 '13 at 20:56 13 old topic, but f...
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Execute Insert command and return inserted Id in Sql

...table using C# in MVC 4. Actually, I want to insert values and return the 'ID' of last inserted record. I use the following code. ...
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Control cannot fall through from one case label

... switch (searchType) { case "SearchBooks": Selenium.Type("//*[@id='SearchBooks_TextInput']", searchText); Selenium.Click("//*[@id='SearchBooks_SearchBtn']"); break; case "SearchAuthors": Selenium.Type("//*[@id='SearchAuthors_TextInput']", searchText); ...
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How can I get LINQ to return the object which has the max value for a given property? [duplicate]

...l loop through only once. Item biggest = items.Aggregate((i1,i2) => i1.ID > i2.ID ? i1 : i2); Thanks Nick - Here's the proof class Program { static void Main(string[] args) { IEnumerable<Item> items1 = new List<Item>() { new Item(){ ClientID ...