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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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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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How can you get the Manifest Version number from the App's (Layout) XML variables?
...ds that could be done.
The version could be stored in a resource string, and placed into the manifest by:
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.somepackage"
android:versionName="@string/version" android:versionCode="20">
One could creat...
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...
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 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...
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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JavaScript: Passing parameters to a callback function
... variable like so:
function tryMe (param1, param2) {
alert(param1 + " and " + param2);
}
function callbackTester (callback) {
callback (arguments[1], arguments[2]);
}
callbackTester (tryMe, "hello", "goodbye");
But otherwise, your example works fine (arguments[0] can be used in place of...