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Easiest way to open a download window without navigating away from the page
...First thank you for this solution, but I found a bug if removeChild(a) the zip will unzip error with zip is broken, so remove this code solve it
– Roy
Sep 18 '17 at 3:16
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How to force file download with PHP
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Also make sure to add proper content type based on your file application/zip, application/pdf etc. - but only if you do not want to trigger the save-as dialog.
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How to create a video from images with FFmpeg?
...M4
These are the test media I've used:a
wget -O opengl-rotating-triangle.zip https://github.com/cirosantilli/media/blob/master/opengl-rotating-triangle.zip?raw=true
unzip opengl-rotating-triangle.zip
cd opengl-rotating-triangle
wget -O audio.ogg https://upload.wikimedia.org/wikipedia/commons/7/74/...
How do you rotate a two dimensional array?
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TL;DR: list(zip(*reversed(your_list_of_lists)))
– Boris
Dec 28 '19 at 7:34
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An efficient compression algorithm for short text strings [closed]
...king about actually compressing the text not just shortening then Deflate/gzip (wrapper around gzip), zip work well for smaller files and text. Other algorithms are highly efficient for larger files like bzip2 etc.
Wikipedia has a list of compression times. (look for comparison of efficiency)
Nam...
How do I check if there are duplicates in a flat list?
...lse:
d[i] = True
Leverage itertools (essentially an ifilter/izip/tee) on the sorted list, very efficient if you are getting all the dupes though not as quick to get just the first:
def getDupes(c):
a, b = itertools.tee(sorted(c))
next(b, None)
r = None
for k, g in iter...
How to install mongoDB on windows?
...y, it’s not an installation it’s just Downloading…
I. Download the zip file http://www.mongodb.org/downloads
II. Extract it and copy the files into your desired location.
III. Start the DB engine.
IV. Test the installation and use it.
That's it! So simple, right? Ok let’s start
1. Downl...
理解Python的 with 语句 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...is what gets passed to sample.
这个例子中，with后面的get_sample()变成了Sample()。这没有任何关系，只要紧跟with后面的语句所返回的对象有__enter__()和__exit__()方法即可。此例中，Sample()的__enter__()方法返回新创建的Sample对象，并赋值给变...
How to get “wc -l” to print just the number of lines without file name?
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In AIX,ksh, this will always have a space preceeding the number. We have to use | awk '{print $1}' or a cut, to trim off the spaces. Another way to trim would be to enclose with an echo.
– rao
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Floating View 扩展：悬浮视图扩展，将组件转换为悬浮窗口 · App Inventor 2 中文网
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下载链接
扩展文件：
com.jdl.FloatingView.aix
示例文件：
FloatingView.aia
功能概述
扩展特性
悬浮窗口：将任意可见组件转换为悬浮视图
跨应用显示：在其他应用上层保持显...