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UIRefreshControl without UITableViewController

...ng a UIRefreshControl instance as a subview to my UITableView. And it magically just works! UIRefreshControl *refreshControl = [[UIRefreshControl alloc] init]; [refreshControl addTarget:self action:@selector(handleRefresh:) forControlEvents:UIControlEventValueChanged]; [self.myTableView addSubview:...
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Efficient way to apply multiple filters to pandas DataFrame or Series

...s to apply several filters to a Pandas DataFrame or Series object. Essentially, I want to efficiently chain a bunch of filtering (comparison operations) together that are specified at run-time by the user. ...
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C++ display stack trace on exception

...re details. On MSVC then you can use the StackWalker library that handles all of the underlying API calls needed for Windows. You'll have to figure out the best way to integrate this functionality into your app, but the amount of code you need to write should be minimal. ...
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Possibility of duplicate Mongo ObjectId's being generated in two different collections?

...que ID (please let me know if there are more): Before this discussion, recall that the BSON Object ID consists of: [4 bytes seconds since epoch, 3 bytes machine hash, 2 bytes process ID, 3 bytes counter] Here are the three possibilities, so you judge for yourself how likely it is to get a dupe: ...
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Private and Protected Members : C++

... Public members of a class A are accessible for all and everyone. Protected members of a class A are not accessible outside of A's code, but is accessible from the code of any class derived from A. Private members of a class A are not accessible outside of A's code, or f...
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ReSharper warns: “Static field in generic type”

Is this wrong? I would assume that this actually has a static readonly field for each of the possible EnumRouteConstraint<T> that I happen to instance. ...
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Use of 'prototype' vs. 'this' in JavaScript?

...e [[Prototype]] property. A function's this is set by how the function is called or by the use of bind (not discussed here). Where a function is called on an object (e.g. myObj.method()) then this within the method references the object. Where this is not set by the call or by the use of bind, it de...
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Regular expression to allow spaces between words

I want a regular expression that prevents symbols and only allows letters and numbers. The regex below works great, but it doesn't allow for spaces between words. ...
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The following sections have been defined but have not been rendered for the layout page “~/Views/Sha

... _Layout.cshtml has something like this: @RenderSection("scripts") Then all Views that use that Layout must include a @section with the same name (even if the contents of the section are empty): @{ ViewBag.Title = "Title"; Layout = "~/Views/Shared/_Layout.cshtml"; } @section scripts{ ...
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How to limit the maximum value of a numeric field in a Django model?

...ormer can be restricted to the number of decimal places stored and the overall number of characters stored, is there any way to restrict it to storing only numbers within a certain range, e.g. 0.0-5.0 ? ...