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Why is extending native objects a bad practice?
Every JS opinion leader says that extending the native objects is a bad practice. But why? Do we get a perfomance hit? Do they fear that somebody does it "the wrong way", and adds enumerable types to Object , practically destroying all loops on any object?
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Is there a built-in method to compare collections?
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The problem is that SequenceEqual expects the elements to be in the same order. The Dictionary class does not guarantee the order of keys or values when enumerating, so if you're going to use SequenceEqual, you have to sort the .Keys and .Values first!
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How to connect android emulator to the internet
...? I've found lots of advice on what do to when your connected through a proxy, but that's not the case here, my machine (Windows 7) is directly connected to the router.
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What browsers support HTML5 WebSocket API?
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Client side
Hixie-75:
Chrome 4.0 + 5.0
Safari 5.0.0
HyBi-00/Hixie-76:
Chrome 6.0 - 13.0
Safari 5.0.2 + 5.1
iOS 4.2 + iOS 5
Firefox 4.0 - support for WebSockets disabled. To enable it see here.
Opera 11 - with support disabled. To enab...
How can i query for null values in entity framework?
I want to execute a query like this
14 Answers
14
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Determine if code is running as part of a unit test
...need to look at which assemblies are loaded. Look at Ryan's answer for an example.
– Jon Skeet
Jun 5 '13 at 9:14
This ...
SQL injection that gets around mysql_real_escape_string()
... But this wouldn't be a real problem, because mysql_query() doesn't execute multiple statements, no?
– Pekka
Oct 7 '11 at 21:07
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LaTeX Optional Arguments
How do you create a command with optional arguments in LaTeX?
Something like:
6 Answers
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Accessing a class's constants
... value! CONSTANT_NAME = ["a", "b", "c"].freeze
– mutexkid
Oct 8 '15 at 15:57
6
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How to stop /#/ in browser with react-router?
...>
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</Router>
), document.body);
Version 1
In version 1.x, you will instead use the following:
import createBrowserHistory from 'history/lib/createBrowserHistory'
ReactDOM.render ((
<Router history={createBrowserHistory()} >
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</Router>
), document.body);
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