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Singletons vs. Application Context in Android?
... problems of using singletons
and having seen several examples of Android applications using singleton pattern, I wonder if it's a good idea to use Singletons instead of single instances shared through global application state (subclassing android.os.Application and obtaining it through context.get...
Proxy with express.js
...const http = require('http');
// or use import http from 'http';
/* your app config here */
app.post('/api/BLABLA', (oreq, ores) => {
const options = {
// host to forward to
host: 'www.google.com',
// port to forward to
port: 80,
// path to forward to
path: '/api/BLAB...
Change “on” color of a Switch
I'm using a standard Switch control with the holo.light theme in a ICS app.
22 Answers
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Input text dialog Android
When a user clicks a Button in my App (which is printed in a SurfaceView ), I'd like a text Dialog to appear and I would like to store the result in a String . I'd like the text Dialog to overlay the current screen. How can I do this?
...
【二进制】UrsAI2ByteArray 字节数组扩展：读写二进制数据，二进制文件读写...
...一个元素的索引）可以使用Base属性设置。可能的值为1（App Inventor中常用）或0（Java或C中常用）。组件以空数组开始，这意味着它不包含任何元素。可以使用以下方法添加元素：AddByte（无符号8位数字[0..255]）AddWord（无符号16位数...
Android - How To Override the “Back” button so it doesn't Finish() my Activity?
... This solution won't bring the activity back when you re-launch the app from the home screen (if there is another activity on the task stack).
– IgorGanapolsky
Aug 24 '17 at 17:09
...
jQuery Mobile: document ready vs. page events
...fter a page refresh. This can be a very subtle bug. On some systems it may appear that it works fine, but on others it may cause erratic, difficult to repeat weirdness to occur.
Classic jQuery syntax:
$(document).ready(function() {
});
To solve this problem (and trust me this is a problem) jQue...
do you have kcachegrind like profiling tools for mac [closed]
... Protection: sudo ln -s /usr/local/bin/dot /usr/bin/dot Workaround: $ cd /Applications/qcachegrind.app/Contents/MacOS $ mv qcachegrind qcachegrind.bin $ echo ‘#!/bin/bash export PATH=”$PATH:/usr/local/bin” $(dirname $0)/qcachegrind.bin exit 0’ > qcachegrind $ chmod +x qcachegrind Then s...
Super slow lag/delay on initial keyboard animation of UITextField
...ks to get around this problem, try this: stop the debug session, close the app from multitasking, unplug your device from the computer and run the app normally by tapping its icon. I have seen at least two cases in which the delay only occurs while the device is plugged in.
...
How to check whether a file or directory exists?
I want to check the existence of file ./conf/app.ini in my Go code,
but I can't find a good way to do that.
5 Answers
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