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Uncaught ReferenceError: $ is not defined?
...somehow not loading my jquery files before calling the $(document).ready() etc. functions. However, they were all in the correct positions.
In my case, this was because I was accessing the content over a secure HTTPS connection, whereas the page was trying to download the CDN hosted data from googl...
Phone: numeric keyboard for text input
...int numbers”, so it isn’t suitable for credit card numbers, ZIP codes, etc.
14 Answers
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How do I move forward and backward between commits in git?
...t forward in time. To go forward multiple commits, use HEAD@{2}, HEAD@{3}, etc.
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Do login forms need tokens against CSRF attacks?
...acker has access to saved payment information, can redirect the purchases, etc.
– you786
Dec 11 '17 at 21:40
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Regular Expression for alphanumeric and underscores
... flavors. \w includes letters with diacritics, letters from other scripts, etc.
– Jan Goyvaerts
Dec 3 '08 at 7:45
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Freeze screen in chrome debugger / DevTools panel for popover inspection?
...r window and you have 5 seconds to find your element and click/hover/focus/etc it, before the breakpoint will be hit and the browser will "freeze".
Now you can inspect your clicked/hovered/focused/etc element in peace.
Of course you can modify the javascript and the timing, if you get the idea.
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What does .class mean in Java?
...the class Print on runtime. It is the same object that is returned by the getClass() method of any (direct) instance of Print.
Print myPrint = new Print();
System.out.println(Print.class.getName());
System.out.println(myPrint.getClass().getName());
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Handlebars/Mustache - Is there a built in way to loop through the properties of an object?
...e object "top level" and another not? what are "pre-defined" keys exactly? etc), so you might want to revisit these concepts.
– Jon
Feb 11 '14 at 9:42
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What is Ruby's double-colon `::`?
...nd one it is used to locate the class method (static) of the Routes class, etc, etc.
It is not used to expose anything, its used to "locate" stuff around your scopes.
http://en.wikipedia.org/wiki/Scope_resolution_operator
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Node.js check if file exists
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A easier way to do this synchronously.
if (fs.existsSync('/etc/file')) {
console.log('Found file');
}
The API doc says how existsSync work:
Test whether or not the given path exists by checking with the file system.
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