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How is this fibonacci-function memoized?
... and kept ready in case it is asked for again. If we define some list, xs=[0..] and later ask for its 100th element, xs!!99, the 100th slot in the list gets "fleshed out", holding the number 99 now, ready for next access.
That is what that trick, "going-through-a-list", is exploiting. In normal do...
How to change position of Toast in Android?
...can set the gravity like this:
toast.setGravity(Gravity.TOP|Gravity.LEFT, 0, 0);
If you want to nudge the position to the right, increase the value of
the second parameter. To nudge it down, increase the value of the last
parameter.
...
How to properly check if std::function is empty in C++11?
...
105
You're not checking for an empty lambda, but whether the std::function has a callable target st...
How to find out if an installed Eclipse is 32 or 64 bit version?
...
210
Hit Ctrl+Alt+Del to open the Windows Task manager and switch to the processes tab.
32-bit progr...
How to determine a user's IP address in node
...
470
In your request object there is a property called connection, which is a net.Socket object. The ...
How can you encode a string to Base64 in JavaScript?
... character represents an 8-bit byte – that is, its value will be between 0 and 0xff. This does not mean it’s ASCII – presumably if you’re using this function at all, you expect to be working with binary data and not text.
See also:
How do I load binary image data using Javascript and XML...
JNI converting jstring to char *
...pedia.org/wiki/Java_Native_Interface
http://download.oracle.com/javase/1.5.0/docs/guide/jni/spec/functions.html
concerning your problem you can use this
JNIEXPORT void JNICALL Java_ClassName_MethodName(JNIEnv *env, jobject obj, jstring javaString)
{
const char *nativeString = env->GetStr...
How can I get pg_dump to authenticate properly
... peer
host all all 127.0.0.1/32 md5
This tells Postgres to use peer authentication for local users which requires the postgres username to match your current system username. The second line refers to connections using a hostname and w...
jQuery append() - return appended elements
...
Jeroen
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answered Jan 29 '10 at 1:49
SLaksSLaks
...
Disable messages upon loading a package
...ssMessages() around your library() call:
edd@max:~$ R
R version 2.14.1 (2011-12-22)
Copyright (C) 2011 The R Foundation for Statistical Computing
ISBN 3-900051-07-0
Platform: x86_64-pc-linux-gnu (64-bit)
[...]
R> suppressMessages(library(ROCR))
R> ...