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How to define @Value as optional
... limited to plain strings as default values. You can use SPEL expressions, and a simple SPEL expression to return null is:
@Value("${myValue:#{null}}")
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Find object by id in an array of JavaScript objects
... '45').map(x => x.foo);
Side note: methods like find() or filter(), and arrow functions are not supported by older browsers (like IE), so if you want to support these browsers, you should transpile your code using Babel (with the polyfill).
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How to disable mouse scroll wheel scaling with Google Maps API
...oll wheel inside a modal on the page. There is no map in the modal content and the cursor is not over the map.
– regularmike
Nov 24 '15 at 15:33
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Why do I get access denied to data folder when using adb?
I connected to my live device using the adb and the following commands:
14 Answers
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Git - Ignore files during merge
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I got over this issue by using git merge command with the --no-commit option and then explicitly removed the staged file and ignore the changes to the file.
E.g.: say I want to ignore any changes to myfile.txt I proceed as follows:
git merge --no-ff --no-commit <mer...
How can I use interface as a C# generic type constraint?
... constraints to allow, were focused on ones that would let generic classes and methods do things with generic types that they otherwise could not, rather than on preventing them from being used in nonsensical ways. That having been said, an interface constraint on T should allow reference compariso...
Eclipse says: “Workspace in use or cannot be created, chose a different one.” How do I unlock a work
... Look if there is any process related to eclipse running in the background and kill it.
– AlvaroSantisteban
Apr 23 '13 at 21:33
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How to upload a project to Github
...ll the below steps redundant.
You can also use sourcetree to get both git and mercurial setup on Windows.
Here is how you would do it in Windows:
If you don't have git installed, see this article on how to set it up.
Open up a Windows command prompt.
Change into the directory where your source...
Best practice for creating millions of small temporary objects
What are the "best practices" for creating (and releasing) millions of small objects?
13 Answers
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Python super() raises TypeError
...od me . Triptych . I remember I was using a python version less than 3.0 , and I didn't specifically said that my class inherits from Object , and the call to super worked . Maybe it's default behaviour from 2.6 ? Just saying :)
– Geo
Jan 28 '09 at 20:55
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