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How to check if an app is installed from a web-page on an iPhone?
...
As far as I know you can not, from a browser, check if an app is installed or not.
But you can try redirecting the phone to the app, and if nothing happens redirect the phone to a specified page, like this:
setTimeout(function () { wind...
How do I define global variables in CoffeeScript?
...#L321 ), so in Node.js what you would need to do is exports.foo = 'baz';.
Now let us take a look at what it states in your quote from the docs:
...targeting both CommonJS and the browser: root = exports ? this
This is obviously coffee-script, so let's take a look into what this actually com...
jsonify a SQLAlchemy result set in Flask [duplicate]
... """
return [ item.serialize for item in self.many2many]
And now for views I can just do:
return jsonify(json_list=[i.serialize for i in qryresult.all()])
Hope this helps ;)
[Edit 2019]:
In case you have more complex objects or circular references, use a library like marshmallow).
...
How do I check if an element is really visible with JavaScript? [duplicate]
...
I don't know how much of this is supported in older or not-so-modern browsers, but I'm using something like this (without the neeed for any libraries):
function visible(element) {
if (element.offsetWidth === 0 || element.offsetHeig...
How can I get the SQL of a PreparedStatement?
...
It's nowhere definied in the JDBC API contract, but if you're lucky, the JDBC driver in question may return the complete SQL by just calling PreparedStatement#toString(). I.e.
System.out.println(preparedStatement);
At least MyS...
How to avoid explicit 'self' in Python?
...ereby break code.
One extreme example: you can write a class without any knowledge of what base classes it might have, and always know whether you are accessing a member or not:
class A(some_function()):
def f(self):
self.member = 42
self.method()
That's the complete code! (some_funct...
Why is there huge performance hit in 2048x2048 versus 2047x2047 array multiplication?
... evicted) than there is no problem with cache misses with matice2 either.
Now to go deeper in how caches works, if byte address of your variable is X, than the cache line for it would be (X >> 6) & (L - 1). Where L is total number of cache lines in your cache. L is always power of 2.
The...
(HTML) Download a PDF file instead of opening them in browser when clicked
...at is that this was answered 4 years ago and as Sarim points out, there is now the HTML 5 download attribute that can handle this.
I agree, and think Sarim's answer is good (it probably should be the chosen answer if the OP ever returns). However, this answer is still the reliable way to handle it...
ipython reads wrong python version
...'ll be /usr/local/bin/ipython. Let's look inside:
Edit 9/7/16 -- The file now looks like this:
cat /usr/local/bin/ipython
#!/usr/bin/python
# -*- coding: utf-8 -*-
import re
import sys
from IPython import start_ipython
if __name__ == '__main__':
sys.argv[0] = re.sub(r'(-script\.pyw|\.exe)?...
How to parse/read a YAML file into a Python object? [duplicate]
...e_load instead load
dataMap = yaml.safe_load(f)
The variable dataMap now contains a dictionary with the tree data. If you print dataMap using PrettyPrint, you will get something like:
{'treeroot': {'branch1': {'branch1-1': {'name': 'Node 1-1'},
'name': 'Node 1'},
'branch2': {'branch2-...