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What are all the uses of an underscore in Scala?
...: A => Unit)
val set: Set[_ => Unit]
set.foreach(process _) // Error
set.foreach(process(_)) // No Error
}
In the first case, process _ represents a method; Scala takes the polymorphic method and attempts to make it monomorphic by filling in the type parameter, but realizes that the...
Facebook Android Generate Key Hash
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I am getting this: keytool error: java.io.IOException: Keystore was tampered with, or password was incorrect.How can i find my correct password?
– DuyguK
Feb 10 '13 at 19:11
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How do I activate C++ 11 in CMake?
...n I try to run a CMake generated makefile to compile my program, I get the error that
14 Answers
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How does Java handle integer underflows and overflows and how would you check for it?
...s reslulting in unexpected or undetected overflow are a common programming error. Unexpected or undetected integer overflow is also a well-known exploitable security issue, especially as it affects array, stack and list objects.
Overflow can occur in either a positive or negative direction where t...
Why should I prefer to use member initialization lists?
...T be initialized in an initializer list;
{ // it is an error not to do so
}
private:
A a;
const int y;
};
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Installing Java on OS X 10.9 (Mavericks)
...JAVA_HOME in the terminal.
Open your Terminal
java -version gives you an error and a popup
Get the JRE dmg on http://www.oracle.com/technetwork/java/javase/downloads/index.html
Install it
In your terminal, type: export JAVA_HOME="/Library/Internet Plug-Ins/JavaAppletPlugin.plugin/Contents/Home"
ja...
How do I add a simple jQuery script to WordPress?
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Even following this, I'm still receiving Uncaught TypeError: Cannot read property 'fn' of undefined and Uncaught TypeError: undefined is not a function errors, even when another script is being queued in the functions file, and that works fine
– Lee
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How to call C from Swift?
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In the case of c++, there is this error that pops up:
"_getInput", referenced from:
You need a c++ header file too. Add c-linkage to your function, then include the header file in the bridge-header:
Swift 3
UserInput.h
#ifndef USERINPUT_H
#define USE...
How do I run a node.js app as a background service?
...ith latest node I was unable to get it to stop an app via the script name (error) - also - generally misbehaving (was on OS-X) - all built from source, oddly. Left things in a bad state, didn't fill me with confidence.
– Michael Neale
Apr 12 '11 at 12:32
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URL rewriting with PHP
... ...
default:
header('HTTP/1.1 404 Not Found');
Show404Error();
}
This is how big sites and CMS-systems do it, because it allows far more flexibility in parsing URLs, config and database dependent URLs etc. For sporadic usage the hardcoded rewrite rules in .htaccess will do fin...