I am going to add a global queue object to my nodejs express program, then this raises a concern of thread safety.
I am implementing a queue with only 10 elements, the older eleme……继续阅读 »
fennng
3个月前 (09-11) 75浏览 0评论
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模块链接
https://www.npmjs.com/package/async-lock
昨天正式发布了用 nodejs 重写的 Telegram 抽奖机器人 @fengdrawbot 后， 马上在第一次被使用中就发现了一超级大 BUG。
由于机器人有人数到了就会自动开奖的机制， 所以在每次有人加入抽奖的时候就会判断是否达到人数， 达到人数后就会开奖。
当……继续阅读 »
fennng
5个月前 (07-02) 458浏览 0评论
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I rewrote my Telegram draw bot @fengdrawbot using nodejs express recently. Although I used async-lock in the critical piece of code. It didn’t work well. The code draw multip……继续阅读 »
fennng
5个月前 (07-02) 189浏览 0评论
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One of our projects is a websocket microservice. It runs well on the local environment. But after deploying on a azure VM, the client cannot connect to it.
After some investigation……继续阅读 »
fennng
6个月前 (05-29) 261浏览 0评论
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I previously use the default node debugger to debug nodejs app. It’s working all right, but at some point I still miss the ability to set break point on the fly.
I tried to s……继续阅读 »
fennng
7个月前 (04-29) 282浏览 0评论
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When run SBT, none of the dependencies can be downloaded.
I got this error:
The reason is that the HTTP client used by JAVA doesn’t trust any HTTPS
certificate. You have to ……继续阅读 »
fennng
8个月前 (04-06) 390浏览 0评论
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It’s common that we need to get the UTC date of today. With Javascript, you can get the current day easily with new Date() or Date.now().
But sometimes, we would like to tre……继续阅读 »
fennng
9个月前 (03-14) 430浏览 0评论
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When I debuged on Google Apps Script, I noticed that I could not expand the variables to see the details.
By disabling my chrome extension one by one, I found out the killer was th……继续阅读 »
fennng
11个月前 (01-10) 861浏览 0评论
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Atlassian provides a nodejs based framework to aid atlassian connect app development. This framework is based on nodejs + espressjs + handlebars. It will also use ngrok to expose l……继续阅读 »
fennng
1年前 (2018-12-12) 747浏览 0评论
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If you are written angular 2+ web app with visual studio code, you will like this extension, which will help you to navigate between typescript, html and css files.
marketplace.vis……继续阅读 »
fennng
1年前 (2018-12-07) 426浏览 0评论
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