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How to disallow temporaries
For a class Foo, is there a way to disallow constructing it without giving it a name?
10 Answers
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Removing packages installed with go get
... I needed to set my GOPATH otherwise that package sullies my root Go install (I would much prefer to keep my Go install clean and separate core from custom). How do I remove packages installed previously?
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How to make an unaware datetime timezone aware in python
...ize(unaware)
assert aware == now_aware
For the UTC timezone, it is not really necessary to use localize since there is no daylight savings time calculation to handle:
now_aware = unaware.replace(tzinfo=pytz.UTC)
works. (.replace returns a new datetime; it does not modify unaware.)
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Android Paint: .measureText() vs .getTextBounds()
...tTextBounds() , since I'm interested in getting both the height and width of the text to be rendered. However, the actual text rendered is always a bit wider than the .width() of the Rect information filled by getTextBounds() .
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How do I download a file over HTTP using Python?
I have a small utility that I use to download an MP3 file from a website on a schedule and then builds/updates a podcast XML file which I've added to iTunes.
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How to list active / open connections in Oracle?
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Either you don't have permissions, or you didn't install the DBA views correctly.
– S.Lott
Jun 25 '09 at 10:24
4
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Read each line of txt file to new array element
I am trying to read every line of a text file into an array and have each line in a new element.
My code so far.
11 Answe...
中文网（自研/维护）拓展 · App Inventor 2 中文网
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属性
事件
方法
FlashLight
属性
事件
方法
MyListView
属性
事件
方法
MyListViewElement
属...
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...
...建 Apps 首页 教育 中文教育版 各版本对比 App上架指南 入门必读 IoT专题 AI2拓展 Aia Store 关于 关于我们 发布日志 服务条款 ...
psql: FATAL: role “postgres” does not exist
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NOTE: If you installed postgres using homebrew, see the comment from @user3402754 below.
Note that the error message does NOT talk about a missing database, it talks about a missing role. Later in the login process it might also s...