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How do I sort one vector based on values of another
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This is pretty and shows a good understanding of R's built-ins. +1
– Godeke
Oct 15 '09 at 15:21
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How to dynamically load a Python class
...oc.safeimport function. Here are the docs for that:
"""Import a module; handle errors; return None if the module isn't found.
If the module *is* found but an exception occurs, it's wrapped in an
ErrorDuringImport exception and reraised. Unlike __import__, if a
package path is specified, the modu...
Convert Pixels to Points
...out the topic, but can't seem to locate a simple formula. Let's assume a standard 96dpi, how do I calulate this conversion?
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Using Server.MapPath in external C# Classes in ASP.NET
...tain files in a C# class. Server.MapPath works great of course for ASPX and their code-behind pages, but that doesn't exist in another class file. I tried HostingEnvironment.MapPath() , but that complains that the relative virtual path isn't allowed. Any thoughts?
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Where to get “UTF-8” string literal in Java?
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In Java 1.7+, java.nio.charset.StandardCharsets defines constants for Charset including UTF_8.
import java.nio.charset.StandardCharsets;
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StandardCharsets.UTF_8.name();
For Android: minSdk 19
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How to state in requirements.txt a direct github source
I've installed a library using the command
7 Answers
7
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How to access java-classes in the default-package?
..., some post-processing is needed to move the file into a dedicated package and add this "package" directive at its beginning.
Update 2014: bug 6975015, for JDK7 and JDK8, describe an even stricter prohibition against import from unnamed package.
The TypeName must be the canonical name of a class t...
On EC2: sudo node command not found, but node without sudo is ok
...oesn't exist. I made a directory ~/local, though. 3) After removing /usr and sudo from each of these lines of code and running them through my console, nothing had changed.
– Wolfpack'08
Jul 5 '13 at 22:15
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Regular Expression to find a string included between two characters while EXCLUDING the delimiters
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Easy done:
(?<=\[)(.*?)(?=\])
Technically that's using lookaheads and lookbehinds. See Lookahead and Lookbehind Zero-Width Assertions. The pattern consists of:
is preceded by a [ that is not captured (lookbehind);
a non-greedy captured group. It's non-greedy to stop at the first ]; and
is...
javac error: Class names are only accepted if annotation processing is explicitly requested
... to include the .java suffix when compiling the program. Remember, the command is javac HelloWorldApp.java not javac HelloWorldApp.
Also, in your second javac-example, (in which you actually included .java) you need to include the all required .jar-files needed for compilation.
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