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How to drive C#, C++ or Java compiler to compute 1+2+3+…+1000 at compile time?
... was asked a really strange question. The interviewer asked me how can I compute 1+2+3+...+1000 just using compiler features. This means that I am not allowed to write a program and execute it, but I should just write a program that could drive the compiler to compute this sum while compilation and ...
What does the explicit keyword mean?
...
The compiler is allowed to make one implicit conversion to resolve the parameters to a function. What this means is that the compiler can use constructors callable with a single parameter to convert from one type to another in orde...
Android update activity UI from service
...ithub.com/commonsguy/cw-andtutorials/tree/master/18-LocalService/ this example. Is that a good approch ? Any other examples?
...
How to use Git for Unity3D source control?
...n WIP assets, both for the reason above and because it's much faster and simpler (not many artists will actively want to use Git!).
Git Workflow
Your Git workflow is very much something you need to decide for yourself given your own experiences as a team and how you work together. However. I woul...
What are the options for storing hierarchical data in a relational database? [closed]
...d has been considered to be way to expensive to reach the Nirvana of the simplicity of maintenance by the Adjacency List and the awesome performance of Nested Sets. As a result, most people end up having to settle for one or the other especially if there are more than, say, a lousy 100,000 nodes or...
How to convert java.sql.timestamp to LocalDate (java8) java.time?
In Java 8, how can I convert a Timestamp (in java.sql ) to a LocalDate (in java.time )?
3 Answers
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How to use the pass statement?
...se you are designing a new class with some methods that you don't want to implement, yet.
class MyClass(object):
def meth_a(self):
pass
def meth_b(self):
print "I'm meth_b"
If you were to leave out the pass, the code wouldn't run.
You would then get an:
IndentationError...
What is the best way to detect a mobile device?
...e detection and/or media queries.
Instead of using jQuery you can use simple JavaScript to detect it:
if( /Android|webOS|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini/i.test(navigator.userAgent) ) {
// some code..
}
Or you can combine them both to make it more accessible through jQuery...
...
How to send an email with Python?
... email and smtplib together to send email. Please look at the following example (reproduced from the Python documentation). Notice that if you follow this approach, the "simple" task is indeed simple, and the more complex tasks (like attaching binary objects or sending plain/HTML multipart messages)...
What are all the possible values for HTTP “Content-Type” header?
...
application/zip
application/x-www-form-urlencoded
Type audio
audio/mpeg
audio/x-ms-wma
audio/vnd.rn-realaudio
audio/x-wav
Type image
image/gif
image/jpeg
image/png
image/tiff
image/vnd.microsoft.icon
image/x-icon
image/vnd.djvu
image/svg+xml
Type mul...