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Making a Sass mixin with optional arguments
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edited May 23 '17 at 12:09
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answered Mar 31 '12 at 22:52
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if/else in a list comprehension
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1610
You can totally do that. It's just an ordering issue:
[unicode(x.strip()) if x is not None else...
Javascript: How to loop through ALL DOM elements on a page?
...ments in a page:
var all = document.getElementsByTagName("*");
for (var i=0, max=all.length; i < max; i++) {
// Do something with the element here
}
Note that you could use querySelectorAll(), if it's available (IE9+, CSS in IE8), to just find elements with a particular class.
if (document...
How to inspect FormData?
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320
Updated Method:
As of March 2016, recent versions of Chrome and Firefox now support using FormD...
Circle-Rectangle collision detection (intersection)
...ods will work, but for a rectangle you can just check whether this works:
0 ≤ AP·AB ≤ AB·AB and 0 ≤ AP·AD ≤ AD·AD
And intersectCircle() is easy to implement too: one way would be to check if the foot of the perpendicular from P to the line is close enough and between the endpoints, an...
Remote debugging with Android emulator
...lator takes the next available even+odd port number tuple (up to around 5580, I think).
For reference, I did the following steps on my local machine:
ssh -NL 5554:localhost:5554 -L 5555:localhost:5555 myuser@remote-server
killall adb; adb devices
I believe the emulator tries to notify a local a...
ORA-00979 not a group by expression
I am getting ORA-00979 with the following query:
8 Answers
8
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Regular expression to match standard 10 digit phone number
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20 Answers
20
Active
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Named string formatting in C#
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130
There is no built-in method for handling this.
Here's one method
string myString = "{foo} is {...
How can I use an http proxy with node.js http.Client?
...y.
var http = require("http");
var options = {
host: "proxy",
port: 8080,
path: "http://www.google.com",
headers: {
Host: "www.google.com"
}
};
http.get(options, function(res) {
console.log(res);
res.pipe(process.stdout);
});
For the record his answer does work with http://node...