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Integer division with remainder in JavaScript?
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I did some speed tests on Firefox.
-100/3 // -33.33..., 0.3663 millisec
Math.floor(-100/3) // -34, 0.5016 millisec
~~(-100/3) // -33, 0.3619 millisec
(-100/3>>0) // -33, 0.3632 millisec
(-10...
Quicksort vs heapsort
...? What Quicksort has that is so special over others implementations?
I've tested the algorithms myself and I've seen that Quicksort has something special indeed. It runs fast, much faster than Heap and Merge algorithms.
The secret of Quicksort is: It almost doesn't do unnecessary element swaps. Sw...
MQTT物联网协议完全实践指南 · App Inventor 2 中文网
...测试清单
// 自动化测试流程
procedure runAutomatedTests
do
set TestResults to create list
// 测试1: 连接测试
call Test_Connection TestResults
// 测试2: 消息发布测试
call Test_Publish TestResults
// 测试3: 消息订阅测试
call ...
Best way to build a Plugin system with Java
...plugin is restricted in what it can and can not do. I have created a small test application (and blogged about it) that consists of two plugins, one of which is denied access to local resources.
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How do I detect the Python version at runtime? [duplicate]
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As this allows testing both major and minor versions in a single simple and easy-to-read test, I think this is the best answer.
– John1024
Sep 7 '17 at 19:13
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Should I declare Jackson's ObjectMapper as a static field?
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I've faced strange behaviors during unit/integration tests of a large enterprise application. When putting ObjectMapper as static final class attribute I started facing PermGen issues. Would anyone care to explain probable causes? I was using jackson-databind version 2.4.1.
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No Activity found to handle Intent : android.intent.action.VIEW
...t exceptions will arise, and why? This is a sign of code that has not been tested thoroughly.
– jbass
Feb 8 '17 at 22:58
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How to access a mobile's camera from a web app?
... (front) camera. To access video, substitute "video" for "image" in name.
Tested on iPhone 5c, running iOS 10.3.3, firmware 760, works fine.
https://www.w3.org/TR/html-media-capture/
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impro...
Run JavaScript code on window close or page refresh?
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Not tested, but I think return false; does the same (i.e. prevents the default behavior) and it is more semantically correct.
– collimarco
Sep 24 '13 at 15:12
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fancybox - d.onCleanup is not a function
this is driving me nuts. Iv'e created a simple test page..
1 Answer
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