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[{"action": "ADD_BLOCK_INTENT","intent":[{"var": "isConnected","init":false},{"event...
What is the “right” way to iterate through an array in Ruby?
PHP, for all its warts, is pretty good on this count. There's no difference between an array and a hash (maybe I'm naive, but this seems obviously right to me), and to iterate through either you just do
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Correct way to pass multiple values for same parameter name in GET request
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FWIW PHP doesn't support reading args like ?id=5&id=3. PHP would only read in one value for id here. If I remember correctly, it would have to look like this for it to work with PHP: ?id[]=5&id[]=3
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One-liner to recursively list directories in Ruby?
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Dir.glob("**/*/") # for directories
Dir.glob("**/*") # for all files
Instead of Dir.glob(foo) you can also write Dir[foo] (however Dir.glob can also take a block, in which case it will yield each path instead of creating an array).
Ruby Glob Docs
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Composer: how can I install another dependency without updating old ones?
I have a project with a few dependencies and I'd like to install another one, but I'd like to keep the others the way they are. So I've edited the composer.json , but if I run composer install , I get the following output:
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Inserting multiple rows in mysql
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When loading a table from a text file, use LOAD DATA INFILE. This is usually 20 times faster than using INSERT statements.
Optimizing INSERT Statements
You can find more tips on how to speed up your insert statements on the link above.
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How do I send a cross-domain POST request via JavaScript?
...e.php (using PHP as an example). Note: you only need to set Access-Control-Allow-Origin for NON OPTIONS requests - this example always sets all headers for a smaller code snippet.
In postHere.php setup the following:
switch ($_SERVER['HTTP_ORIGIN']) {
case 'http://from.com': case 'https://fro...
difference between variables inside and outside of __init__()
Is there any difference at all between these classes besides the name?
10 Answers
10
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别问最低工资都涨了为啥你没涨 这三类人加薪很难 - 杂谈 - 清泛网 - 专注C/...
...工资上涨迅速，另一些人却迟迟无法迎来涨薪春天？这个问题只要站在公司角度考虑，自然一目了然。有权威机构对工薪族目前的工...在职场，一些人工资上涨迅速，另一些人却迟迟无法迎来涨薪春天？这个问题只要站在公司角...
MQTT 打包后，运行退到后台在返回，mqtt连接掉线问题 - App应用开发 - 清泛...
打包后的APP安装到手机上，刚开始打开软件的时候，连接成功，屏幕退到后台在反回app界面的时候，显示MQTT未连接（联网失败） 请帮忙解决一下这个是需要进行状态管理，当状态变成连接失败时，需要进行一次重新连接：将连...