comparison
How to elegantly compare tuples in Swift?
Update As Martin R states in the comments, tuples with up to six components can now be compared with ==. Tuples with different component counts or different component types are considered to be different types so these cannot be compared, but the code for the simple case I described below is now obsolete. Try this: … Read more
Difference between Apache Thrift and ZeroMQ
They belong to different categories primarily because they are targetted at different audiences with different concerns. Therefore they are better at different things. Apache Thrift similar to Google Protocol Buffers is intended to be high-level, reasonably well abstracted means to send data between processes on different machines, possibly in different languages. They purposefully provide an … Read more
Calculating Binary Data Similarity
It sounds like you want a binary delta or perhaps an index derived from the application of a binary delta (like it’s size). You could then compare this index to some baseline that you determine experimentally to decide if it’s a “clone” or not. There are a lot of similarities between compression and delta creation, … Read more
How to find out if letter is Alphanumeric or Digit in Swift
For Swift 5 see rustylepord’s answer. Update for Swift 3: let letters = CharacterSet.letters let digits = CharacterSet.decimalDigits var letterCount = 0 var digitCount = 0 for uni in phrase.unicodeScalars { if letters.contains(uni) { letterCount += 1 } else if digits.contains(uni) { digitCount += 1 } } (Previous answer for older Swift versions) A possible … Read more
EJB 3.1 or Spring 3.. When to choose which one?
For your use case where the application runs on one server and the database runs on another, the choice between EJB and Spring is irrelevant. Every platforms supports this, be it a Java SE application, a simple Servlet container like Tomcat or Jetty, PHP, Ruby on Rails, or whatever. You don’t need any kind of … Read more
Compare two objects with a check for null
Java 7.0 added a new handy class: Objects. It has a method exactly for this: Objects.equals(Object a, Object b)
What is the best way to compare 2 folder trees on windows? [closed]
If you can use a GUI tool, the best I tried is WinMerge – open source. If not, then diff is your friend.
What is “missing” in the Visual Studio 2008 Express Editions?
The major areas where Visual Studio Express lacks features compared to Visual Studio Professional: No add-ins/macros Some Win32 tools missing No Team Explorer support Limited refactoring support Debugging is much more limited (particularly problematic for server development is no remote debugging) Lack of support for setup projects No report creation tools No Office development support … Read more