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Basic example of using .ajax() with JSONP?
...lly a simply trick to overcome XMLHttpRequest same domain policy. (As you know one cannot send AJAX (XMLHttpRequest) request to a different domain.)
So - instead of using XMLHttpRequest we have to use script HTMLl tags, the ones you usually use to load JS files, in order for JS to get data from ano...
setState vs replaceState in React.js
... that this.state is {foo: 42}
this.setState({bar: 117})
// this.state is now {foo: 42, bar: 117}
this.setState({foo: 43})
// this.state is now {foo: 43, bar: 117}
this.replaceState({baz: "hello"})
// this.state. is now {baz: "hello"}
Take note of this from the docs, though:
setState() d...
How to set Oracle's Java as the default Java in Ubuntu?
...e a directory somewhere you like in your file system for example /usr/java now extract the files you just downloaded in that directory:
$ sudo tar xvzf jdk-8u5-linux-i586.tar.gz -C /usr/java
now to set your JAVA_HOME environment variable:
$ JAVA_HOME=/usr/java/jdk1.8.0_05/
$ sudo update-alternat...
Locking pattern for proper use of .NET MemoryCache
...urn cachedString;
}
//The value still did not exist so we now write it in to the cache.
var expensiveString = SomeHeavyAndExpensiveCalculation();
CacheItemPolicy cip = new CacheItemPolicy()
{
AbsoluteExp...
Is there a way to run Python on Android?
...
And now there is iOS support too!
– rubik
Jun 30 '12 at 7:00
17
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What is an existential type?
...X they're saying: You can plug in whatever type you want, I don't need to know anything about the type to do my job, I'll only refer to it opaquely as X.
When someone defines an existential type ∃X they're saying: I'll use whatever type I want here; you wont know anything about the type, so you c...
How to Compare Flags in C#?
...itwise AND operation.
FlagTest.Flag1 is equivalent to 001 with OP's enum. Now let's say testItem has Flag1 and Flag2 (so it's bitwise 101):
001
&101
----
001 == FlagTest.Flag1
share
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i...
Automatically open Chrome developer tools when new tab/new window is opened
...
UPDATE 2:
See this answer . - 2019-11-05
You can also now have it auto-open Developer Tools in Pop-ups if they were open where you opened them from. For example, if you do not have Dev Tools open and you get a popup, it won't open with Dev Tools. But if you Have Dev Tools Open a...
Pass a parameter to a fixture function
...nly way to do this in older versions of pytest as others have noted pytest now supports indirect parametrization of fixtures. For example you can do something like this (via @imiric):
# test_parameterized_fixture.py
import pytest
class MyTester:
def __init__(self, x):
self.x = x
...
Why do I need to override the equals and hashCode methods in Java?
... hashCode(), let's see what would happen in this particular case where we know that two objects of MyClass are equal if their importantField is equal but we do not override equals().
Override only hashCode
If you only override hashCode then when you call myMap.put(first,someValue) it takes first, ca...