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Vertically centering a div inside another div [duplicate]
...sed (50%) instead of (-50%) on translateY...
– jumps4fun
Apr 13 '15 at 11:50
4
I love this soluti...
App Inventor 2 数学代码块 · App Inventor 2 中文网
...用 隐私策略和使用条款 技术支持 service@fun123.cn
Summarizing multiple columns with dplyr? [duplicate]
...u want to summarize only certain columns, use summarise_at or summarise_if functions.
Alternatively, the purrrlyr package provides the same functionality:
library(purrrlyr)
df %>% slice_rows("grp") %>% dmap(mean)
#> # A tibble: 3 x 5
#> grp a b c d
#> <int>...
How to fix SSL certificate error when running Npm on Windows?
... npm, pip, maven etc. behind a corporate firewall under Windows - it's not fun. I'll try and keep this platform agnostic/aware where possible.
HTTP_PROXY & HTTPS_PROXY
HTTP_PROXY & HTTPS_PROXY are environment variables used by lots of software to know where your proxy is. Under Windows, lo...
SqlDataAdapter vs SqlDataReader
...
AdaTheDevAdaTheDev
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How to make connection to Postgres via Node.js
... single user name from id:
db.one('SELECT name FROM users WHERE id = $1', [123])
.then(user => {
console.log(user.name); // print user name;
})
.catch(error => {
console.log(error); // print the error;
});
// alternative - new ES7 syntax with 'await':
// await ...
Is it possible to define more than one function per file in MATLAB, and access them from outside tha
...hen I was studying for my undergraduate degree in EE, MATLAB required each function to be defined in its own file, even if it was a one-liner.
...
App Inventor 2 SQLite 拓展：超流行兼容主流SQL语法的迷你本地数据库引擎 ...
...展由中文网开发及维护，基于开源 aix-SQLite 拓展。
与 TaifunSQLite 功能类似，但TaifunSQLite是收费的，美刀。
.aix 拓展下载：
cn.fun123.SQLite.aix
SQLite
SQLite 是 Android 内置的小型、快速、独立的 SQL（结构化查询语...