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How do I reference a javascript object property with a hyphen in it?
...j["styleAttr"]
Use key notation rather than dot
style["text-align"]
All arrays in js are objects and all objects are just associative arrays, this means you can refer to a place in an object just as you would refer to a key in an array.
arr[0]
or the object
obj["method"] == obj.method
a couple ...
Download a file by jQuery.Ajax
...ToBlob(base64, mimetype, slicesize) {
if (!window.atob || !window.Uint8Array) {
// The current browser doesn't have the atob function. Cannot continue
return null;
}
mimetype = mimetype || '';
slicesize = slicesize || 512;
var bytechars = atob(base64);
var byt...
Generate an integer that is not among four billion given ones
...ithm makes a single pass over the file, setting the appropriate bit in the array and then examines this array using test macro above to find the missing number.
If the available memory is less than 0.466 GB, Bentley suggests a k-pass algorithm, which divides the input into ranges depending on avail...
Variable is accessed within inner class. Needs to be declared final
...
Here's a funny answer.
You can declare a final one-element array and change the elements of the array all you want apparently. I'm sure it breaks the very reason why this compiler rule was implemented in the first place but it's handy when you're in a time-bind as I was today.
I ac...
C++ SFINAE examples?
...st has not too many elements.
The syntax char(*)[C] means: Pointer to an array with element type char and size C. If C is false (0 here), then we get the invalid type char(*)[0], pointer to a zero sized array: SFINAE makes it so that the template will be ignored then.
Expressed with boost::enabl...
Extract a substring from a string in Ruby using a regular expression
...
String1.scan(/<([^>]*)>/).last.first
scan creates an array which, for each <item> in String1 contains the text between the < and the > in a one-element array (because when used with a regex containing capturing groups, scan creates an array containing the captures f...
How to get the last char of a string in PHP?
...nce code with these results:
substr() took 7.0334868431091seconds
array access took 2.3111131191254seconds
Direct string access (negative string offsets) took 1.7971360683441seconds
share
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How do I insert NULL values using PDO?
..., PDO has some (to me) unexpected behaviour.
If you use $stmt->execute(Array), you have to specify the literal NULL and cannot give NULL by variable reference.
So this won't work:
// $val is sometimes null, but sometimes an integer
$stmt->execute(array(
':param' => $val
));
// will ca...
How to list all methods for an object in Ruby?
...
Module#instance_methods
Returns an array containing the names of the public and protected instance methods in the receiver. For a module, these are the public and protected methods; for a class, they are the instance (not singleton) methods. With no argument, ...
Regex: match everything but specific pattern
...;
var str = 'http://regular-viragenia/index.php?id=2342343';
var matches_array = myRe.exec(str);
console.log(matches_array[1]);
OR OTHER MATCH
let match,
arr = [],
myRe = /index.php\?id=((?:(?!index)[\s\S])*)/g;
var str = 'http://regular-viragenia/...