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How to run a program without an operating system?
...out an operating system running?
Can you create assembly programs that the computer can load and run at startup, e.g. boot the computer from a flash drive and it runs the program that is on the CPU?
...
A numeric string as array key in PHP
... as 8, while "08" will be interpreted as "08").
Addendum
Because of the comments below, I thought it would be fun to point out that the behaviour is similar but not identical to JavaScript object keys.
foo = { '10' : 'bar' };
foo['10']; // "bar"
foo[10]; // "bar"
foo[012]; // "bar"
foo['012']; ...
Portable way to get file size (in bytes) in shell?
... stat --format="%s" FILE , but Solaris I have access to doesn't have stat command. What should I use then?
14 Answers
...
How To Test if Type is Primitive
...| ... )
{
// Is Primitive, or Decimal, or String
}
Edit 2: As @SLaks comments, there are other types that maybe you want to treat as primitives, too. I think that you´ll have to add this variations one by one.
Edit 3: IsPrimitive = (Boolean, Byte, SByte, Int16, UInt16, Int32, UInt32, Int64, ...
React.js: Identifying different inputs with one onChange handler
... you don't need to keep "total" as a separate value in state because it is composable by adding other values in your state:
var Hello = React.createClass({
getInitialState: function() {
return {input1: 0, input2: 0};
},
render: function() {
const total = this.state.input...
CALayers didn't get resized on its UIView's bounds change. Why?
...the case. See the description of the bounds property here: developer.apple.com/library/ios/#documentation/uikit/reference/… -- "By default, the origin of the bounds rectangle is set to (0, 0) but you can change this value to display different portions of the view."
– jdc
...
Which characters are valid in CSS class names/selectors?
...owser-specific extensions, as in -moz-opacity.
1 It's all made a bit more complicated by the inclusion of escaped unicode characters (that no one really uses).
2 Note that, according to the grammar I linked, a rule starting with TWO hyphens, e.g. --indent1, is invalid. However, I'm pretty sure I'...
Hashing a dictionary?
...tems and use hash():
hash(frozenset(my_dict.items()))
This is much less computationally intensive than generating the JSON string or representation of the dictionary.
UPDATE: Please see the comments below, why this approach might not produce a stable result.
...
Is it possible to apply CSS to half of a character?
...Plugin!
Feel free to fork and improve.
Demo | Download Zip | Half-Style.com (Redirects to GitHub)
Pure CSS for a Single Character
JavaScript used for automation across text or multiple characters
Preserves Text Accessibility for screen readers for the blind or visually
impaired
Part 1: Basi...
jQuery SVG vs. Raphael [closed]
...Cons: is a layer over the actual SVG markup, makes it difficult to do more complex things with SVG - such as grouping (it supports Sets, but not groups). Doesn't do great w/ editing of already existing elements.
jQuery SVG
Pros: a jquery plugin, if you're already using jQuery. Well written and doc...