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How to have conditional elements and keep DRY with Facebook React's JSX?
...r If = React.createClass({
render: function() {
if (this.props.test) {
return this.props.children;
}
else {
return false;
}
}
});
And use it this way:
render: function () {
return (
<div id="page">
<I...
html5 - canvas element - Multiple layers
...(ctx) are off screen. The image has been previously rendered onto ctx3. In test 1 of this benchmark, I directly render ctx3 onto ctx1. In test 2, I render ctx3 onto ctx2 and then ctx2 to ctx1. Test 2 is 30 times slower than test 1 on my computer. That is why I say using a intermediate canvas is much...
How do you test functions and closures for equality?
..._func_impl.c
As you see it is capable of checking identity only (the 2nd test yields false). But that should be good enough.
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When should null values of Boolean be used?
... started to convert my boolean s to Boolean s. This can cause crashes in tests such as
14 Answers
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Simulate limited bandwidth from within Chrome?
... The throttle feature isn't an upload limiter. It's for download testing and seeing how your page loads on a different connection.
– Nelson
Sep 24 '16 at 11:18
add a...
Saving interactive Matplotlib figures
...fied file of the saved data) and editing as you see fit or (b) save as PDF/SVG/PostScript format and edit in some fancy figure editor like Adobe Illustrator (or Inkscape).
EDIT post Fall 2012: As others pointed out below (though mentioning here as this is the accepted answer), Matplotlib since vers...
How can I get the line number which threw exception?
...
You get something similar to: System.Exception: Test at Tests.Controllers.HomeController.About() in c:\Users\MatthewB\Documents\Visual Studio 2013\Projects\Tests\Tests\Controllers\HomeController.cs:line 22
– Professor of programming
D...
How to check if type of a variable is string?
...asestring is the abstract superclass of str and unicode. It can be used to test whether an object is an instance of str or unicode.
In Python 3.x, the correct test is
isinstance(s, str)
The bytes class isn't considered a string type in Python 3.
...
“java.lang.OutOfMemoryError : unable to create new native Thread”
...r the reply. We are using an open source library ICE4j and trying to load test that. Cant we increase the limit of threads in OS when we know that there is 50% memory left on the server.
– Deepak Tewani
May 28 '13 at 10:37
...
About “*.d.ts” in TypeScript
... the same folder, and point the code that needs it to the .d.ts file.
eg: test.js and test.d.ts are in the testdir/ folder, then you import it like this in a react component:
import * as Test from "./testdir/test";
The .d.ts file was exported as a namespace like this:
export as namespace Test;
...