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How to get root view controller?
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if you are trying to access the rootViewController you set in your appDelegate. try this:
Objective-C
YourViewController *rootController = (YourViewController*)[[(YourAppDelegate*)
[[UIApplication sharedApplication]delegate] window] rootViewController];
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How to find out how many lines of code there are in an Xcode project?
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it appears the .m and .mm tests are missing an * (edited: seems SO is not rendering those without a preceding slash) The above was not working for me until I added them as such: find . "(" -name "*.m" -or -name "*.mm" -or -name ...
Joins are for lazy people?
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Joining in the app server can be more efficient if joining on the database causes severe redundancy in the result set sent over the network. Consider tables A and B, where each row in A is associated with 20 rows in B, B has only 100 rows, ...
How to change bower's default components folder?
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appears to be the nature of the package. you could open an issue here github.com/blittle/bower-installer/issues or write a bash script to remove the directory post install.
– lfender6445
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Handle ModelState Validation in ASP.NET Web API
...but same basic principle for XML):
HTTP/1.1 400 Bad Request
Content-Type: application/json; charset=utf-8
(some headers removed here)
["A value is required.","The field First is required.","Some custom errorm essage."]
You can of course construct your error object/list any way you like, for exam...
Is it possible to refresh a single UITableViewCell in a UITableView?
...e, but still will force UITableViewDelegate methods to fire.
The simplest approach I can imagine is:
UITableViewCell* cell = [self.tableView cellForRowAtIndexPath:indexPath];
[self configureCell:cell forIndexPath:indexPath];
It's important to invoke your configureCell: implementation on main thr...
Unable to cast object of type 'System.DBNull' to type 'System.String`
I got the above error in my app. Here is the original code
11 Answers
11
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Gridview with two columns and auto resized images
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another simple approach with modern built-in stuff like PercentRelativeLayout is now available for new users who hit this problem.
thanks to android team for release this item.
<android.support.percent.PercentRelativeLayout xmlns:androi...
How to determine SSL cert expiration date from a PEM encoded certificate?
...13.4 runs your shell OK ( don't judge me I am only on osx today to push an app to app store ... booting back to linux shortly ;-)
– Scott Stensland
May 9 '18 at 22:20
1
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React.js - input losing focus when rerendering
...h="/user" render={() => <UserPage/>} />
The loss of focus happens because the component prop uses React.createElement each time instead of just re-rendering the changes.
Details here: https://reacttraining.com/react-router/web/api/Route/component
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