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How to configure port for a Spring Boot application
..., and the former configuration in the list take precedence over the latter one.
For example:
SERVER_PORT=2266 java -Dserver.port=5566 -jar <path/to/my/jar> --server.port=7788
The server will start and listen on port 7788.
This is very useful providing default properties in PropertySources...
How to use pull to refresh in Swift?
...supported in each of UICollectionView, UITableView and UIScrollView!
Each one of these views have refreshControl instance property, which means that there is no longer a need to add it as a subview in your scroll view, all you have to do is:
@IBOutlet weak var collectionView: UICollectionView!
o...
How to Vertical align elements in a div?
...xample, sometimes even the example HTML an then remove and rename elements one after each other until it's what I needed. Not the case for this site!
– konstantin
Apr 4 at 13:46
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Using different Web.config in development and production environment
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There is an attribute restartOnExternalChanges that will treat those files as if they were web.configs. Source: learnable.com/books/…
– David Schwartz
May 27 '15 at 20:06
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Get fragment (value after hash '#') from a URL in php [closed]
... The asker didn't specificallt say he hadn't the URL to be honest or that he needed the fragment from the URL currently displayed in the address bar of the browser. He asked how to parse the fragement from an URL, so unless he edited his question, this answer should fine enough.
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Find current directory and file's directory [duplicate]
...p:"C :\Users\admin\myfolder"
1.To get the current directory folder name alone
>>import os
>>str1=os.getcwd()
>>str2=str1.split('\\')
>>n=len(str2)
>>print str2[n-1]
o/p:"myfolder"
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How does python numpy.where() work?
... indexed by boolean arrays. E.g. x[x>5] yields [6 7 8], in this case.
Honestly, it's fairly rare that you actually need numpy.where but it just returns the indicies where a boolean array is True. Usually you can do what you need with simple boolean indexing.
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How can I determine if a variable is 'undefined' or 'null'?
...ion, so it doesn't need the parentheses, but I appreciate the parentheses nonetheless - simply for reading clarity.
– user664833
Sep 4 '14 at 23:28
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JsonMappingException: No suitable constructor found for type [simple type, class ]: can not instanti
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Could someone please explain why this happens? I had a very similar error. Thought all the right constructors were in place, but could not deserialize. It only worked after I added a dummy constructor, after reading this post.
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CocoaPods Errors on Project Build
...d Settings, the PODS_ROOT entry is either entirely missing or is empty for one or more configurations. Which causes the following error on build:
The simplest fix is to close the project in Xcode and reopen it.
If you go to the target's Build Settings and filter on All, you will now see the PODS...