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Is there a RegExp.escape function in Javascript?
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The function linked above is insufficient. It fails to escape ^ or $ (start and end of string), or -, which in a character group is used for ranges.
Use this function:
function escapeRegex(string) {
return string.replace(/[-\/\\^$*+?.()|[\]{}]/g, '\\$&');
}
While it may seem u...
python tuple to dict
For the tuple, t = ((1, 'a'),(2, 'b'))
dict(t) returns {1: 'a', 2: 'b'}
6 Answers
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$watch'ing for data changes in an Angular directive
...in an Angular directive when manipulating the data inside (e.g., inserting or removing data), but not assign a new object to that variable?
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How in node to split string by newline ('\n')?
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MacOSX don't use single \r anymore, that was only for old Macs. I think they have the same \n as other unixes.
– jcubic
Dec 10 '17 at 9:10
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Is there a way to detect if a browser window is not currently active?
...y periodically. When the user is not looking at the site (i.e., the window or tab does not have focus), it'd be nice to not run.
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jQuery - Add ID instead of Class
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This will only work once, after which the ID changes... also, you keep overriding the same IDs, so you might as well do it for $('#nav, #container, .stretch_footer, #footer').attr('id', $('span .breadcrumb:first').text()) (or last, for .stre...
Can a pointer to base point to an array of derived objects?
...ou cannot index like that. You have allocated an array of Rectangles and stored a pointer to the first in shapes. When you do shapes[1] you're dereferencing (shapes + 1). This will not give you a pointer to the next Rectangle, but a pointer to what would be the next Shape in a presumed array of Shap...
How to include package data with setuptools/distribute?
... package_data files. Everything I've read says that the following is the correct way to do it. Can someone please advise?
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How to tell if a string contains a certain character in JavaScript?
...ndexOf('hello') > -1)
{
alert("hello found inside your_string");
}
For the alpha numeric you can use a regular expression:
http://www.regular-expressions.info/javascript.html
Alpha Numeric Regular Expression
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How to change text transparency in HTML/CSS?
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opacity applies to the whole element, so if you have a background, border or other effects on that element, those will also become transparent. If you only want the text to be transparent, use rgba.
#foo {
color: #000; /* Fallback for older browsers */
color: rgba(0, 0, 0, 0.5);
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