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Allow Google Chrome to use XMLHttpRequest to load a URL from a local file
When trying to do a HTTP request using XMLHttpRequest from a local file, it basically fails due to Access-Control-Allow-Origin violation.
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What is “thread local storage” in Python, and why do I need it?
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Consider the following code:
#/usr/bin/env python
from time import sleep
from random import random
from threading import Thread, local
data = local()
def bar():
print("I'm called from", data.v)
def foo():
bar()
class T(Thread):
def run(self):
sleep(ra...
How can I detect when the mouse leaves the window?
...to be able to detect when the mouse leaves the window so I can stop events from firing while the user's mouse is elsewhere.
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android start activity from service
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From inside the Service class:
Intent dialogIntent = new Intent(this, MyActivity.class);
dialogIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
startActivity(dialogIntent);
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Why do browsers match CSS selectors from right to left?
CSS Selectors are matched by browser engines from right to left. So they first find the children and then check their parents to see if they match the rest of the parts of the rule.
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How to search and replace globally, starting from the cursor position and wrapping around the end of
...-&&
First, the substitution command is run for each line starting from
the current one until the end of file:
,$s/BEFORE/AFTER/gc
Then, that :substitute command is repeated with the same search
pattern, replacement string, and flags, using the :& command
(see :help :&):
1,''-&...
For-each over an array in JavaScript
...rue and omitting the ones where it returns false)
map (creates a new array from the values returned by the callback)
reduce (builds up a value by repeatedly calling the callback, passing in previous values; see the spec for the details; useful for summing the contents of an array and many other thin...
S3 Static Website Hosting Route All Paths to Index.html
...lt;/script>
This grabs the hash and turns it into an HTML5 pushState. From this point on you can use pushStates to have non-hash-bang paths in your app.
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What do “branch”, “tag” and “trunk” mean in Subversion repositories?
...s just a marker
Trunk would be the main body of development, originating from the start of the project until the present.
Branch will be a copy of code derived from a certain point in the trunk that is used for applying major changes to the code while preserving the integrity of the code in the tr...
What does Serializable mean?
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Serialization is persisting an object from memory to a sequence of bits, for instance for saving onto the disk. Deserialization is the opposite - reading data from the disk to hydrate/create an object.
In the context of your question, it is an interface that if ...