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What can you use Python generator functions for?

... Real World Example Let's say you have 100 million domains in your MySQL table, and you would like to update Alexa rank for each domain. First thing you need is to select your domain names from the database. Let's say your table name is domains and column name is domain. If you use SELECT domai...
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Should I Dispose() DataSet and DataTable?

DataSet and DataTable both implement IDisposable, so, by conventional best practices, I should call their Dispose() methods. ...
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App Inventor 2 TableView 拓展:TableView 拓展:数据表格视图,表格展示...

...索 App Inventor 2 TableView 拓展:TableView 拓展:数据表格视图,表格展示数据 TableView 拓展 使用方法 « 返回首页 TableView 拓展 效果如下...
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Group by with multiple columns using lambda

... @Jacob - Anonymous types are immutable classes with properly overriden GetHashCode & Equals methods. They where designed for exactly this kind of use case. – Enigmativity Aug 4 '11 at 2:57 ...
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Should I put input elements inside a label element?

...e </label> Note that the third technique cannot be used when a table is being used for layout, with the label in one cell and its associated form field in another cell. Either one is valid. I like to use either the first or second example, as it gives you more style control. ...
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Hidden features of HTML

... The contentEditable property for (IE, Firefox, and Safari) <table> <tr> <td><div contenteditable="true">This text can be edited<div></td> <td><div contenteditable="true">Thi...
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How do I center floated elements?

...g floats is easy. Just use the style for container: .pagination{ display: table; margin: 0 auto; } change the margin for floating elements: .pagination a{ margin: 0 2px; } or .pagination a{ margin-left: 3px; } .pagination a.first{ margin-left: 0; } and leave the rest as it is. It's the be...
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Simulate low network connectivity for Android [closed]

... Set network latency emulation to . Default value is none. See the table in Network Delay Emulation for supported values. -netspeed <speed> Set network speed emulation to . Default value is full. See the table in Network Speed Emulation for supported values. Speeds for re...
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How do I get currency exchange rates via an API such as Google Finance? [closed]

...ZD", "USDPHP", "USDSGD", "USDTHB", "USDZAR", "USDISK")&env=store://datatables.org/alltableswithkeys][1] Here is the YQL query builder, where you can test a query and copy the url: (NO LONGER AVAILABLE) http://developer.yahoo.com/yql/console/?q=show%20tables&env=store://datatables.org/alltabl...
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Where can I get a “useful” C++ binary search algorithm?

... There is a set of them: http://www.sgi.com/tech/stl/table_of_contents.html Search for: lower_bound upper_bound equal_range binary_search On a separate note: They were probably thinking that searching containers could term up more than one result. But on the odd occasion ...