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Node.js Logging
...categories (make some parts
of your app log as DEBUG, others only ERRORS, etc.)
Example:
Installation: npm install log4js
Configuration (./config/log4js.json):
{"appenders": [
{
"type": "console",
"layout": {
"type": "pattern",
"pattern": "%m"
...
How to rename a single column in a data.frame?
..., in general (more than once column)
nms <- c("col1.name", "col2.name", etc...)
setnames(DF, nms)
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Get Character value from KeyCode in JavaScript… then trim
... would generate (there is also a modifier for if the Shift key is pressed, etc. in the event). The character a has a unicode charcode of 61 while the character A has a charcode of 41 (according to, for example, http://www.utf8-chartable.de/). However, those are hex values, converting to decimal gi...
Is it expensive to use try-catch blocks even if an exception is never thrown?
...o program the compiler to do them, reason about and guarantee correctness, etc. It'd be a big pain for something meant to be 'exceptional') But again, in practice you won't notice things like this.
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How can I cast int to enum?
...u know how it roughly translates to f.ex. processor operations and memory fetches / writes. If you ask how to get to that level, I'd suggest building a ton of small test cases, making them tougher as you go, try to predict the outcome every time, and test them afterwards (incl. decompilation, etc). ...
upstream sent too big header while reading response header from upstream
...nt to add that in ubuntu 16.04 the nginx configuration file is located at /etc/nginx/nginx.conf and the values should go inside http {...}
– Mario
Feb 26 '18 at 17:20
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国际 C 语言混乱代码大赛结果 - 创意 - 清泛网 - 专注C/C++及内核技术
国际 C 语言混乱代码大赛结果《你见过或写过的最复杂的 C 语言程序是?》这个帖子中的指针,对部分童鞋来说够烧脑子了。觉着不过瘾的朋友,继续来看看本文。第 24 届国际 C 语言混乱代码大赛结果出炉了,之前两位常在该...
论中国股市的现状 - 轻松一刻 - 清泛网 - 专注C/C++及内核技术
论中国股市的现状一天,菜市场上多了一个乞丐,有的人给他点钱,但大多数人还是没给,他把给他钱的人的住址都记了下来,结果过了几个小时,一辆宾利停他前面 一天,菜市场上多了一个乞丐,有的人给他点钱,但大多数...
美女拒绝色狼的妙语 - 轻松一刻 - 清泛网 - 专注C/C++及内核技术
美女拒绝色狼的妙语对方明明不认识你,硬装一副老朋友的样子。 男:真的,我确定以前在哪儿见过你。 女:是啊,所以我都不去那里了。 你不希望对方坐...对方明明不认识你,硬装一副老朋友的样子。
男:...
老人炒股亏了本一怒打隔壁老王 因他穿绿衬衫 - 轻松一刻 - 清泛网 - 专注C/...
...本一怒打隔壁老王 因他穿绿衬衫家住重庆巴南区龙洲湾的徐大爷年近七旬,是个老股民,退休后就用自己的退休金在家炒股,同时他还是一个非常迷信的人。
家住重庆巴南区龙洲湾的徐大爷年近七旬,是个老股民,退休后就用...
