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Difference between jar and war in Java
What is the difference between a .jar and a .war file?
Is it only the file extension or is there something more?
13 A...
Why java.util.Optional is not Serializable, how to serialize the object with such fields
...The short answer is that the Java Lambda (JSR-335) expert group considered and rejected it. That note, and this one and this one indicate that the primary design goal for Optional is to be used as the return value of functions when a return value might be absent. The intent is that the caller immedi...
How can I use “.” as the delimiter with String.split() in java [duplicate]
What I am trying to do is read a .java file, and pick out all of the identifiers and store them in a list. My problem is with the .split() method. If you run this code the way it is, you will get ArrayOutOfBounds, but if you change the delimiter from "." to anything else, the code works. But I ne...
When is it appropriate to use C# partial classes?
...was wondering if someone could give me an overview of why I would use them and what advantage I would gain in the process.
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How to view file diff in git before commit
...ively approve changes to stage, abort at any time if you change your mind, and even inline edit a chunk. I never git add without it.
– Kyle Baker
May 16 '17 at 4:22
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How to set ViewBag properties for all Views without using a base class for Controllers?
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Un-tried by me, but you might look at registering your views and then setting the view data during the activation process.
Because views are registered on-the-fly, the registration syntax doesn't help you with connecting to the Activated event, so you'd need to set it up in a Module:
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Sublime Text 2: How to delete blank/empty lines
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Select the text
Press:
Ctrl + H on PC, or
Command + Alt + F on Mac or
Click Find->Replace.
Make sure you have selected 'regular expression' by pressing:
Alt + R on PC or
Command + Alt + R on Mac or
Click .* in the Find box.
Find what: ^\n or ^(\r|\n\r?)
Replace Wit...
C#: how to get first char of a string?
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The difference between this answer and the chosen one is that this solution returns a string, and the other returns a char.
– Loïc Lopes
Sep 6 '17 at 14:51
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Android: Create spinner programmatically from array
I'm all new to Android and I'm trying to create a spinner programmatically and feeding it with data from an array, but Eclipse gives me a warning that I can't handle.
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Android custom dropdown/popup menu
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Update: To create a popup menu in android with Kotlin refer my answer here.
To create a popup menu in android with Java:
Create a layout file activity_main.xml under res/layout directory which contains only one button.
Filename: activity_main.xml
<Rela...