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Add list to set?
...f a list to a set, use update
From https://docs.python.org/2/library/sets.html
s.update(t): return set s with elements added from t
E.g.
>>> s = set([1, 2])
>>> l = [3, 4]
>>> s.update(l)
>>> s
{1, 2, 3, 4}
If you instead want to add the entire list as a...
How can I truncate a double to only two decimal places in Java?
...e what you meant: docs.oracle.com/javase/7/docs/api/java/math/RoundingMode.html
– Shimon Doodkin
Apr 13 at 16:51
...
How to get the filename without the extension from a path in Python?
...
https://docs.python.org/3/library/os.path.html
In python 3 pathlib "The pathlib module offers high-level path objects."
so,
>>> from pathlib import Path
>>> p = Path("/a/b/c.txt")
>>> print(p.with_suffix(''))
\a\b\c
>>> print(p....
How to set background color of a View
... patch bitmaps (developer.android.com/reference/android/graphics/NinePatch.html) were new to me. I simply want to change the color of anything on the screen when I press a Button. The Buttons are on a TextView. Trying to change the color of that, leads to console messages "DDM dispatch reg wait t...
App Inventor 2 拓展参考文档 · App Inventor 2 中文网
...Markdown 自研拓展：大模型输出 Markdown 格式渲染、转换为HTML、生成图片
【数据图表】 ECharts/ECharts3D 拓展：基于 ECharts 强大的个性化数据图表展示
【数据表格】 TableView 拓展：数据表格视图，表格形式显示列表
【剪贴板】 Cli...
Error: This Android SDK requires Android Developer Toolkit version 22.6.1 or above
... below:
-Download ADT Bundle from https://developer.android.com/sdk/index.html
-Help -> Install New Software
-Write https://dl-ssl.google.com/android/eclipse/ then install Developer tools
-Restart eclipse and raised the error below:
Android SDK content Loader has encountered a problem.parseSdk...
Cannot simply use PostgreSQL table name (“relation does not exist”)
...r,public;
See also http://www.postgresql.org/docs/8.3/static/ddl-schemas.html
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Javascript: Setting location.href versus location
...viour back in JavaScript 1.0 and every browser since has implemented that. HTML5 now requires it. So whilst it may be prettier or more consistent to assign to .href, there is no backward or forward compatibility advantage to doing so.
– bobince
Nov 12 '12 at 22...
How to add jQuery in JS file
...from another JS file, this should do the trick:
I had the following in my HTML file:
<script src="jquery-1.6.1.js"></script>
<script src="my_jquery.js"></script>
I created a separate my_jquery.js file with the following:
$(document).ready(function() {
$('a').click(func...
Oracle query to fetch column names
...e databbase through jdbc .. with the link here : kodejava.org/examples/163.html
– pri_dev
Jan 10 '12 at 8:33
I also ha...