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Requests — how to tell if you're getting a 404
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Look at the r.status_code attribute:
if r.status_code == 404:
# A 404 was issued.
Demo:
>>> import requests
>>> r = requests.get('http://httpbin.org/status/404')
>>> r.status_code
404
If you want requests to raise an exception...
How to use OR condition in a JavaScript IF statement?
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Simply use the logical "OR" operator, that is ||.
if (A || B)
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Argparse optional positional arguments?
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Use nargs='?' (or nargs='*' if you will need more than one dir)
parser.add_argument('dir', nargs='?', default=os.getcwd())
extended example:
>>> import os, argparse
>>> parser = argparse.ArgumentParser()
>>> parser.add_arg...
node.js equivalent of python's if __name__ == '__main__' [duplicate]
I'd like to check if my module is being included or run directly. How can I do this in node.js?
2 Answers
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Multiple modals overlay
...ls)
The backdrop instantly overlays the previous modal
Example jsfiddle
If you don't like the hardcoded z-index for any reason you can calculate the highest z-index on the page like this:
var zIndex = Math.max.apply(null, Array.prototype.map.call(document.querySelectorAll('*'), function(el) {
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Does a valid XML file require an XML declaration?
...ecommendation, where it says "MUST" be used. It even goes on to state that if the declaration is absent, that automatically implies the document is an XML 1.0 document.
Note that in an XML Declaration the encoding and standalone are both optional. Only the version is mandatory. Also, these are not ...
Can you supply arguments to the map(&:method) syntax in Ruby?
...mcaplan suggested in the comment below, you could create a shorter syntax, if you rename the with method to call. In this case, ruby has a built in shortcut for this special method .().
So you could use the above like this:
class Symbol
def call(*args, &block)
->(caller, *rest) { call...
execute function after complete page load
...ener('DOMContentLoaded', function() {
// your code here
}, false);
or
if your comfort with jquery,
$(document).ready(function(){
// your code
});
$(document).ready() fires on DOMContentLoaded, but this event is not being fired consistently among browsers. This is why jQuery will most probabl...
Breaking/exit nested for in vb.net
...f structured control statements is usually considered to be OK, especially if the alternative is to have more complicated code.
For Each item In itemList
For Each item1 In itemList1
If item1.Text = "bla bla bla" Then
Goto end_of_for
End If
Next
Next
end_of_for:
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How can I split and parse a string in Python?
...]: ['2.7.0', 'bf4fda703454']
This splits the string at every underscore. If you want it to stop after the first split, use "2.7.0_bf4fda703454".split("_", 1).
If you know for a fact that the string contains an underscore, you can even unpack the LHS and RHS into separate variables:
In [8]: lhs, ...