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What are 'closures' in .NET?
... finished executing.
The general feature of closures is implemented in C# by anonymous methods and lambda expressions.
Here's an example using an anonymous method:
using System;
class Test
{
static void Main()
{
Action action = CreateAction();
action();
action();
...
How to calculate the bounding box for a given lat/lng location?
I have given a location defined by latitude and longitude.
Now i want to calculate a bounding box within e.g. 10 kilometers of that point.
...
git-diff to ignore ^M
...ex
# You should get lots of messages like: "warning: CRLF will be replaced by LF in <file>."
$ git diff --cached --name-only -z | xargs -0 git add
# Commit
$ git commit -m "Fix CRLF"
core.autocrlf is described on the man page.
...
Catching java.lang.OutOfMemoryError?
...the JVM is out of memory in the catch block:
private static final int MEGABYTE = (1024*1024);
public static void runOutOfMemory() {
MemoryMXBean memoryBean = ManagementFactory.getMemoryMXBean();
for (int i=1; i <= 100; i++) {
try {
byte[] bytes = new byte[MEGABYTE*500...
Inefficient jQuery usage warnings in PHPStorm IDE
...http://jsperf.com/jquery-find-vs-insel
For selection of multiple children by class at any depth, the "find" does appear to be faster:
http://jsperf.com/jquery-find-vs-insel/7
There was some discussion about this on jQuery forums, but its 3 years old:
https://forum.jquery.com/topic/which-jquery-se...
Get epoch for a specific date using Javascript
...
@Andy - it is a whacky idea to offset months by -1 while keeping the rest, and is exactly the kind of thing that can make a space shuttle go nuts, if JavaScript were ever to be used there :)
– Anurag
Jul 29 '10 at 22:27
...
Hadoop “Unable to load native-hadoop library for your platform” warning
...adoop.so.1.0.0: /lib64/libc.so.6: version `GLIBC_2.14' not found (required by ./libhadoop.so.1.0.0)
linux-vdso.so.1 => (0x00007fff43510000)
libdl.so.2 => /lib64/libdl.so.2 (0x00007f9be553a000)
libc.so.6 => /lib64/libc.so.6 (0x00007f9be51a5000)
/lib64/ld-linux-x86-64.so.2 (0x00007f9be596600...
Parsing IPv6 extension headers containing unknown extensions
...eader but the Next Header value in the current header is
unrecognized by the node, it should discard the packet and send an
ICMP Parameter Problem message to the source of the packet, with an
ICMP Code value of 1 ("unrecognized Next Header type encountered")
and the ICMP Pointer ...
How does __proto__ differ from constructor.prototype?
...ason why Object.__proto__ points to Function.prototype is because Object() by itself is a native function that instantiates an empty object. Therefore, Object() is a function. You'll find that all the other major native types' __proto__ properties point to Function.prototype. Object, Function, Strin...
Converting List to List
...sts.transform(integers, Functions.toStringFunction());
The List returned by transform is a view on the backing list - the transformation will be applied on each access to the transformed list.
Be aware that Functions.toStringFunction() will throw a NullPointerException when applied to null, so on...