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shortcut for creating a Map from a List in groovy?
...tMap{[it.value, it.key]} == [2:1, 4:3]
and here I use it to create a map from a list
[1,2].collectMap{[it,it]} == [1:1, 2:2]
now I just pop this into a class that gets called as my app is starting and this method is available throughout my code.
EDIT:
to add the method to all arrays...
Objec...
Why is the C++ STL is so heavily based on templates? (and not on *interfaces*)
I mean, aside from its obligating name (the Standard Template Library)...
13 Answers
1...
What is the meaning of “non temporal” memory accesses in x86
...30.html . I couldn't find more precise references, I only heard about this from guys whose job is to implement processor simulators.
– Pascal Cuoq
May 4 '10 at 20:03
2
...
Which is the preferred way to concatenate a string in Python?
... this case, append/join is slower.
So where does this recommendation come from? Python 2?
a += b:
0.165287017822
a.append(b):
0.0132720470428
a.join(a):
0.114929914474
Well, append/join is marginally faster there if you are using extremely long strings (which you usually aren't, what would you h...
IOCTL Linux device driver [closed]
...where you set up a file under /sys/ and read/write that to get information from and to the driver. An example of how to set this up:
static ssize_t mydrvr_version_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
return sprintf(buf, "%s\n", DRIVER_RELEASE);
}
static ...
What is a raw type and why shouldn't we use it?
... raw type.
A non-static member type of a raw type R that is not inherited from a superclass or superinterface of R.
Here's an example to illustrate:
public class MyType<E> {
class Inner { }
static class Nested { }
public static void main(String[] args) {
MyType mt;...
How to run a hello.js file in Node.js on windows?
...
@Mitul - Right, this is the detail that was missing from your description -- i.e. how you were starting node -- that was preventing others from helping you. Starting node with no arguments drops you into the REPL. This is an environment for interactively executing javascript. ...
jquery save json data object in cookie
...sket-data", JSON.stringify($("#ArticlesHolder").data()));
Then to get it from the cookie:
$("#ArticlesHolder").data(JSON.parse($.cookie("basket-data")));
This relies on JSON.stringify() and JSON.parse() to serialize/deserialize your data object, for older browsers (IE<8) include json2.js to ...
Multiprocessing: How to use Pool.map on a function defined in a class?
... to circumvent this. It appears to work, even for recursive use of parmap.
from multiprocessing import Process, Pipe
from itertools import izip
def spawn(f):
def fun(pipe, x):
pipe.send(f(x))
pipe.close()
return fun
def parmap(f, X):
pipe = [Pipe() for x in X]
proc ...
How to crop circular area from bitmap in Android
I have a bitmap and I want to crop a circular region from this bitmap. All pixels outside the circle should be transparent. How can I do this?
...