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What is Weak Head Normal Form?
...p://foldoc.org/Weak+Head+Normal+Form Head normal form simplifies even the bits of an expression inside of a function abstraction, while "weak" head normal form stops at function abstractions.
From the source, if you have:
\ x -> ((\ y -> y+x) 2)
that is in weak head normal form, but not h...
Deleting an object in java?
...n the onPause?
– Ruchir Baronia
Jan 10 '16 at 0:44
There is no guarantee that the garbage collector will ever run, or ...
How to extract request http headers from a request using NodeJS connect
...ows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/44.0.2403.107 Safari/537.36",
"accept-encoding":"gzip, deflate, sdch",
"accept-language":"en-US,en;q=0.8,et;q=0.6"
}
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Is there a naming convention for MySQL?
...foo_id column. You might want to consider how to deal with this. This is a bit of a corner case though!
Point 4 - Similar to Point 3. You may want to introduce a number at the end of the foreign key name to cater for having more than one referencing column.
Point 5 - I would avoid this. It provide...
How do I merge two javascript objects together in ES6+?
...
I know this is a bit of an old issue but the easiest solution in ES2015/ES6 is actually quite simple, using Object.assign(),
Hopefully this helps, this does DEEP merging as well:
/**
* Simple is object check.
* @param item
* @returns {b...
Why do people write the #!/usr/bin/env python shebang on the first line of a Python script?
...
Expanding a bit on the other answers, here's a little example of how your command line scripts can get into trouble by incautious use of /usr/bin/env shebang lines:
$ /usr/local/bin/python -V
Python 2.6.4
$ /usr/bin/python -V
Python 2.5...
chart.js load totally new data
...height
var x = canvas.width/2;
var y = canvas.height/2;
ctx.font = '10pt Verdana';
ctx.textAlign = 'center';
ctx.fillText('This text is centered on the canvas', x, y);
};
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Why does fatal error “LNK1104: cannot open file 'C:\Program.obj'” occur when I compile a C++ project
...chase to 30 second one :)
– jb.
May 10 '09 at 21:04
10
I had the same problem. If your Linker is ...
How do Mockito matchers work?
...you interact with Mockito or a mock, and has to accept matchers without knowing whether they're used immediately or abandoned accidentally. In theory, the stack should always be empty outside of a call to when or verify, but Mockito can't check that automatically.
You can check manually with Mockito...
Difference between signed / unsigned char [duplicate]
...ow that the difference between a signed int and unsigned int is that a bit is used to signify if the number if positive or negative, but how does this apply to a char ? How can a character be positive or negative?
...