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What makes Lisp macros so special?
Reading Paul Graham's essays on programming languages one would think that Lisp macros are the only way to go. As a busy developer, working on other platforms, I have not had the privilege of using Lisp macros. As someone who wants to understand the buzz, please explain what makes this feature s...
Passing just a type as a parameter in C#
Hypothetically it'd be handy for me to do this:
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HTML5 record audio to file
What I ultimately want to do is record from the user's microphone, and upload the file to the server when they're done. So far, I've managed to make a stream to an element with the following code:
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How to empty a list in C#?
I want to empty a list. How to do that?
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What does the `#` operator mean in Scala?
I see this code in this blog: Type-Level Programming in Scala :
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Convert String to Uri
How can I convert a String to a Uri in Java (Android)? i.e.:
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cannot find zip-align when publishing app
This is the message I received when I tried to publish my app. I'm using the latest revision of Android SDK Tools (23 which was released today) and SDK Platform-tools (20 which was also released today). I got an APK out of it, but if I tried to upload it to Google Play I got an error complaining tha...
How to count TRUE values in a logical vector
In R, what is the most efficient/idiomatic way to count the number of TRUE values in a logical vector? I can think of two ways:
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Bash script processing limited number of commands in parallel
I have a bash script that looks like this:
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