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Generate a random date between two other dates
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Convert both strings to timestamps (in your chosen resolution, e.g. milliseconds, seconds, hours, days, whatever), subtract the earlier from the later, multiply your random number (assuming it is distributed in the range [0, 1]) with that di...
Error type 3 Error: Activity class {} does not exist
I have an IntelliJ Android project, that I successfully imported to Android Studio 0.4.0. It works perfectly if I don't change anything in manifest. However, when I want to change the launcher activity and run, it fails with this error:
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Why do objects of the same class have access to each other's private data?
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Because that's how it works in C++. In C++ access control works on per-class basis, not on per-object basis.
Access control in C++ is implemented as a static, compile-time feature. I think it is rather obvious that it is not really possible to implemen...
Should I always return IEnumerable instead of IList?
When I'm writing my DAL or other code that returns a set of items, should I always make my return statement:
14 Answers
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How to disable code formatting for some part of the code using comments?
I'd like to selectively disable the IntelliJ IDEA code formatter for a portion of code just like I can in Eclipse . Does IntelliJ support this feature, and if so, how do I use it?
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What is %2C in a URL?
I'm trying to understand the structure of a URL, and I'm seeing a lot of %2C . I'm guessing this is a result of some encoding. What does that stand for?
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Difference between CouchDB and Couchbase
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I think there are some essential differences between CouchDB and Couchbase Server that need to be pointed out.
I will not write about the advantages of switching from CouchDB to the Couchbase Server because those are described p...
Is it possible to declare git repository as dependency in android gradle?
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maven { url "https://jitpack.io" }
}
Step 2. Add the dependency in the form
dependencies {
compile 'com.github.User:Repo:Tag'
}
It is possible to build the latest commit on the master branch, for example :
dependencies {
compile 'com.github.jitpack:gradle-simple:master-SNAPSHO...
How to compare objects by multiple fields
... implement a Comparator which compares two Person objects, and you can examine as many of the fields as you like. You can put in a variable in your comparator that tells it which field to compare to, although it would probably be simpler to just write multiple comparators.
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Find() vs. Where().FirstOrDefault()
I often see people using Where.FirstOrDefault() to do a search and grab the first element. Why not just use Find() ? Is there an advantage to the other? I couldn't tell a difference.
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