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Best way to initialize (empty) array in PHP
...entations (for instance, ActionScript or JavaScript), Array() is a constructor function and [] is part of the array literal grammar. Both are optimized and executed in completely different ways, with the literal grammar not being dogged by the overhead of calling a function.
PHP, on the other han...
Read an Excel file directly from a R script
How can I read an Excel file directly into R? Or should I first export the data to a text- or CSV file and import that file into R?
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javax.faces.application.ViewExpiredException: View could not be restored
...is when I log in and open another page on which I logout, then I come back to first page and I click on any link etc or refresh page I get this exception. I guess it's normal (or maybe not:)) because I logged out and session is destroyed. What should I do to redirect user to for example index.xhtml ...
Best way to convert strings to symbols in hash
What's the (fastest/cleanest/straightforward) way to convert all keys in a hash from strings to symbols in Ruby?
31 Answers...
How do you create a remote Git branch?
I created a local branch which I want to 'push' upstream. There is a similar question here on Stack Overflow on how to track a newly created remote branch.
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What is the concept of erasure in generics in Java?
...ou talk about T (or some other type parameter) - and there's some metadata to tell the compiler that it really is a generic type.
When you compile some code against a generic type or method, the compiler works out what you really mean (i.e. what the type argument for T is) and verifies at compile t...
How to exit git log or git diff [duplicate]
I'm trying to learn Git with the help of Git Immersion .
There's one thing that frustrates me whenever I use git log or git diff :
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“Single-page” JS websites and SEO
There are a lot of cool tools for making powerful "single-page" JavaScript websites nowadays. In my opinion, this is done right by letting the server act as an API (and nothing more) and letting the client handle all of the HTML generation stuff. The problem with this "pattern" is the lack of search...
Why is Thread.Sleep so harmful
...while testing/debugging on an MTA thread. In .NET there's no other reason to use it.
Thread.Sleep(n) means block the current thread for at least the number
of timeslices (or thread quantums) that can occur within n
milliseconds.
The length of a timeslice is different on different version...
How can I create download link in HTML?
I have a basic idea of HTML. I want to create the download link in my sample website, but I don't have idea of how to create it. How do I make a link to download a file rather than visit it?
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