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How to delete items from a dictionary while iterating over it?
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EDIT:
This answer will not work for Python3 and will give a RuntimeError.
RuntimeError: dictionary changed size during iteration.
This happens because mydict.keys() returns an iterator not a list.
As pointed out in comments simply convert mydict.keys() to a list by list(mydict.keys()) ...
Why it's not possible to use regex to parse HTML/XML: a formal explanation in layman's terms
...ood explanation of finite state automata here: youtube.com/watch?v=vhiiia1_hC4
– GDP2
Feb 9 '16 at 0:00
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get just the integer from wc in bash
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What if I'm piping with with find? I get an error: find . -path -prune -o -name "*.swift" -print0 | xargs -0 wc -l works ok but prints every file. If I use find . -path -prune -o -name "*.swift" -print0 | xargs -0 wc -l < I get an error. parse error near '\n'
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Drawing an SVG file on a HTML5 canvas
...F27w+rmNrv9Pm7hxDyHFg5yYGEOYxytuRY2SYiSCIwgRgBQIxgjEAKuZWg6R9S0SCS4qKLZElY3HC5tp7QPtmlMN7HOETUTXBJjrEGsAfgPFECsQbBIbDGJZUYgGE8ugQyPm+o0STtTuGZMnKZEjRjjLIgAirEOEQEBDQFBEFFEBWLFtVJmpENRl6hUuFanTRAlbTeZarcx0R6YNZagAdD/t5N9+QgCYAw2jrAhpjM3zaSY4OJGTDrVwEYOYw2qioigoviq5MqF31m9fg1V5fCx+zn11CLNVnufRhBrsVFE1...
How to resize a VirtualBox vmdk file
...ualbox settings).
P.S. If your new size is too small, you'll get the same error even with your new vdi file.
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App Inventor 2开发计步器与定位器 - App Inventor 2 中文网 - 清泛IT论坛,有思想、有深度
...等属性设为“健身宝”,并在手机上运行AI伴侣进行测试连接。
注意:该程序需要用到手机内置的计步器传感器(或加速度传感器)和GPS传感器,请确保您的手机具备此功能(一般新手机都具有这几个功能,比较旧的手机...
How do I access my SSH public key?
...ferring to (C:/Users/Me/.ssh/.id_rsa.pub), these commands are producing an error: No such file or directory. I'm doing this from Git Bash, MyPC ~/.ssh
– sscirrus
Sep 30 '10 at 6:17
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Are lists thread-safe?
...s but keep the numbers big enough and run a few times and you will see the error
The FLAWED version
import threading
import time
# Change this number as you please, bigger numbers will get the error quickly
count = 1000
l = []
def add():
for i in range(count):
l.append(i)
tim...
Pythonic way to check if a list is sorted or not
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edited Dec 30 '16 at 21:05
dimo414
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How to force LINQ Sum() to return 0 while source collection is empty
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I got error when I try without ToList(), since it returns nothing. But the ToList() will make the empty list and it is not giving any error when I do ToList().Sum().
– Mona
Aug 4 '16 at 10:38
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