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What is the reason behind “non-static method cannot be referenced from a static context”? [duplicate
...instance fields are the data. Together, they form an object.
public class Foo
{
private String foo;
public Foo(String foo){ this.foo = foo; }
public getFoo(){ return this.foo; }
public static void main(String[] args){
System.out.println( getFoo() );
}
}
What could pos...
How do I encode/decode HTML entities in Ruby?
...
HTMLEntities can do it:
: jmglov@laurana; sudo gem install htmlentities
Successfully installed htmlentities-4.2.4
: jmglov@laurana; irb
irb(main):001:0> require 'htmlentities'
=> []
irb(main):002:0> HTMLEntities.new.decode "¡I'm highly annoyed...
Can a Windows batch file determine its own file name?
...
%0 returns the way the file was called. If a full path was used, %0 will have that. If you cd into the dir first and execute the batch from there, %0 will usually not have the path info (but you could get that from %cd% in that case)
– ...
C multi-line macro: do/while(0) vs scope block [duplicate]
...use of function-style macros uniform with the
use of ordinary functions in all contexts.
Consider the following code sketch
if (<condition>)
foo(a);
else
bar(a);
where 'foo' and 'bar' are ordinary functions. Now imagine that you'd
like to replace function 'foo' with a macro of the abov...
How to assign multiple classes to an HTML container? [closed]
.... Is there some order of precedence for that?
– EternallyCurious
Jan 1 '14 at 15:22
6
@JonathanHe...
How to use sed/grep to extract text between two words?
...
You can strip strings in Bash alone:
$ foo="Here is a String"
$ foo=${foo##*Here }
$ echo "$foo"
is a String
$ foo=${foo%% String*}
$ echo "$foo"
is a
$
And if you have a GNU grep that includes PCRE, you can use a zero-width assertion:
$ echo "Here is a String"...
Difference between setTimeout with and without quotes and parentheses
...* Look mah! No name! */},2000);
A name of an existing function
function foo(){...}
setTimeout(foo, 2000);
A variable that points to an existing function
var foo = function(){...};
setTimeout(foo, 2000);
Do note that I set "variable in a function" separately from "function name". It's not ap...
How do I disable the “Press ENTER or type command to continue” prompt in Vim?
...
I'm not sure how to do it globally though for one command:
:silent !<command>
Be sure to include a space after silent
share
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improve this answe...
git - Find commit where file was added
Say I have a file foo.js that was committed some time ago. I would like to
simply find the commit where this file was first added.
...
CMake link to external library
...
I assume you want to link to a library called foo, its filename is usually something link foo.dll or libfoo.so.
1. Find the library
You have to find the library. This is a good idea, even if you know the path to your library. CMake will error out if the library vanished...