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How can I get a JavaScript stack trace when I throw an exception?
...n simply call: console.trace(); (MDN Reference)
Edit 1 (2013):
A better (and simpler) solution as pointed out in the comments on the original question is to use the stack property of an Error object like so:
function stackTrace() {
var err = new Error();
return err.stack;
}
This will ge...
Does pandas iterrows have performance issues?
I have noticed very poor performance when using iterrows from pandas.
6 Answers
6
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How to get HTML 5 input type=“date” working in Firefox and/or IE 10
.../modernizr-custom.js"></script>
<!-- polyfiller file to detect and load polyfills -->
<script src="http://cdn.jsdelivr.net/webshim/1.12.4/polyfiller.js"></script>
<script>
webshims.setOptions('waitReady', false);
webshims.setOptions('forms-ext', {types: 'date'});...
Return type of '?:' (ternary conditional operator)
...
Expressions don't have return types, they have a type and - as it's known in the latest C++ standard - a value category.
A conditional expression can be an lvalue or an rvalue. This is its value category. (This is somewhat of a simplification, in C++11 we have lvalues, xvalues a...
Kill a Process by Looking up the Port being used by it from a .BAT
In Windows what can look for port 8080 and try to kill the process it is using through a .BAT file?
14 Answers
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What is ANSI format?
...
ANSI encoding is a slightly generic term used to refer to the standard code page on a system, usually Windows. It is more properly referred to as Windows-1252 on Western/U.S. systems. (It can represent certain other Windows code pages on other systems.) This is essentially an extension of...
Logical operator in a handlebars.js {{#if}} conditional
Is there a way in handlebars JS to incorporate logical operators into the standard handlebars.js conditional operator? Something like this:
...
What are dictionary view objects?
...sentially what their name says: views are simply like a window on the keys and values (or items) of a dictionary. Here is an excerpt from the official documentation for Python 3:
>>> dishes = {'eggs': 2, 'sausage': 1, 'bacon': 1, 'spam': 500}
>>> keys = dishes.keys()
>>>...
Multiprocessing: How to use Pool.map on a function defined in a class?
...s: I tried using parmap on some functions that passed around a defaultdict and got the PicklingError again. I did not figure out a solution to this, I just reworked my code to not use the defaultdict.
– sans
Jul 8 '11 at 23:41
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WARN Could not determine content-length of response body. Set content-length of the response or set
I just upgraded to rails 3.2.2, and now on rails s, page load, I get all these errors in the log:
3 Answers
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