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Peak detection in a 2D array

...\n" Output without overlapping squares. It seems that the same areas are selected as in your example. Some comments The tricky part is to calculate sums of all 2x2 squares. I assumed you need all of them, so there might be some overlapping. I used slices to cut the first/last columns and rows fr...
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How to perform .Max() on a property of all objects in a collection and return the object with maximu

...c T MaxObject<T,U>(this IEnumerable<T> source, Func<T,U> selector) where U : IComparable<U> { if (source == null) throw new ArgumentNullException("source"); bool first = true; T maxObj = default(T); U maxKey = default(U); foreach (var ...
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Delete all the queues from RabbitMQ?

...oto Policies tab(on the right side) Add Policy Fill Fields Virtual Host: Select Name: Expire All Policies(Delete Later) Pattern: .* Apply to: Queues Definition: expires with value 1 (change type from String to Number) Save Checkout Queues tab again All Queues must be deleted And don't forget remo...
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What are the differences between delegates and events?

...custom user control that shows the properties of that person. When someone selects a person in the drop-down the labels in the user control update to show the properties of the person selected. Here is how that works. We have three files that help us put this together: Mediator.cs -- static cla...
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Why does find -exec mv {} ./target/ + not work?

... + This variant of the -exec action runs the specified command on the selected files, but the command line is built by appending each selected file name at the end; the total number of invocations of the command will be much less than the number of matched files. The command line is built in...
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Switching to a TabBar tab view programmatically?

... Try this code in Swift or Objective-C Swift self.tabBarController.selectedIndex = 1 Objective-C [self.tabBarController setSelectedIndex:1]; share | improve this answer | ...
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How to change checkbox's border style in CSS?

... outline is very good, and it works for all input and select boxes, making this useful for ".error" classes. – SztupY Oct 3 '11 at 14:42 2 ...
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How to get elements with multiple classes

...document.getElementsByClassName("class1 class2"); var list = document.querySelectorAll(".class1.class2"); OR (at least one class) var list = document.querySelectorAll(".class1,.class2"); XOR (one class but not the other) var list = document.querySelectorAll(".class1:not(.class2),.class2:not(.c...
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创建增量同步Oracle物化视图问题 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术

..._tablename refresh fast on demand start with sysdate next sysdate+1/288 as select * from T_tablename@dblink_name;”。 现在,数据库A上此表的主键约束因主键字段值重复而被disable了,在第三个数据库C上新建这个物化视图却失败,说:“ORA-12014: 表 'T_MV_TE...
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how to display full stored procedure code?

... SELECT prosrc FROM pg_proc WHERE proname = 'function_name'; This tells the function handler how to invoke the function. It might be the actual source code of the function for interpreted languages, a link symbol, a file nam...