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Retrieving a random item from ArrayList [duplicate]
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anyItem is a method and the System.out.println call is after your return statement so that won't compile anyway since it is unreachable.
Might want to re-write it like:
import java.util.ArrayList;
import java.util.Random;
public class Catalogue
{
private Random ran...
Error when installing windows SDK 7.1
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The latest version (as of now) is called Microsoft Visual C++ 2010 SP1 Redistributable Package and is version 10.0.40219.1. Too k me a while to figure out I needed to search for SP1, so leaving this here for others.
– Terrabits
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Clear icon inside input text
...ion 1 - Always display the 'x': (example here)
Array.prototype.forEach.call(document.querySelectorAll('.clearable-input>[data-clear-input]'), function(el) {
el.addEventListener('click', function(e) {
e.target.previousElementSibling.value = '';
});
});
.clearable-input {
position: r...
How do I autoindent in Netbeans?
In eclipse you can click Ctrl + I at any line, and it'll automatically indent the line or group of lines according to the indentation scheme you chose in the settings.
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VS2005混合编译ARM汇编代码 - C/C++ - 清泛网 - 专注C/C++及内核技术
...name this block of code
EXPORT TEST
IMPORT iGlobal
;
; Called from C as int ARMTEST1(int, int, int, int);
; The first 4 parameters are passed in r0-r3, more parameters would be passed on the stack
;
TEST proc
add r0,r0,r1 ; add all of the inputs together
add r0,r...
Python class inherits object
...g so are numerous, to list some of them:
Support for descriptors. Specifically, the following constructs are made possible with descriptors:
classmethod: A method that receives the class as an implicit argument instead of the instance.
staticmethod: A method that does not receive the implicit a...
Increasing the maximum number of TCP/IP connections in Linux
..._local_port_range = 32768 61000
net.ipv4.tcp_fin_timeout = 60
This basically means your system cannot consistently guarantee more than (61000 - 32768) / 60 = 470 sockets per second. If you are not happy with that, you could begin with increasing the port_range. Setting the range to 15000 61000 i...
When can I use a forward declaration?
...ts; it knows nothing about its size, members, or methods. This is why it's called an incomplete type. Therefore, you cannot use the type to declare a member, or a base class, since the compiler would need to know the layout of the type.
Assuming the following forward declaration.
class X;
Here's...
How can I set the value of a DropDownList using jQuery?
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+1 Had to call $("#mycontrolId").selectmenu('refresh'); to reflect changes
– VladL
Nov 15 '13 at 12:49
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What are the key differences between Apache Thrift, Google Protocol Buffers, MessagePack, ASN.1 and
All of these provide binary serialization, RPC frameworks and IDL. I'm interested in key differences between them and characteristics (performance, ease of use, programming languages support).
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