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How to deep copy a list?
... don't make a deep copy using list() (Both list(...) and testList[:] are shallow copies).
You use copy.deepcopy(...) for deep copying a list.
deepcopy(x, memo=None, _nil=[])
Deep copy operation on arbitrary Python objects.
See the following snippet -
>>> a = [[1, 2, 3], [4, 5, 6]]...
iPhone: Detecting user inactivity/idle time since last screen touch
... touch or an Ended touch, to reduce the number of timer resets.
NSSet *allTouches = [event allTouches];
if ([allTouches count] > 0) {
// allTouches count only ever seems to be 1, so anyObject works here.
UITouchPhase phase = ((UITouch *)[allTouches anyObject]).phase;
...
Is it possible to run selenium (Firefox) web driver without a GUI?
... is a post you can follow.
Here is the summary steps to set up Xvfb
#install Xvfb
sudo apt-get install xvfb
#set display number to :99
Xvfb :99 -ac &
export DISPLAY=:99
#you are now having an X display by Xvfb
s...
Bin size in Matplotlib (Histogram)
... |
edited May 23 '17 at 11:47
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answered Aug 29 '12 at 10:55
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Convert JavaScript String to be all lower case?
How can I convert a JavaScript string value to be in all lower case letters?
14 Answers
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How to set up Android emulator proxy settings
... Worked for me. My ambient: MAC OS ambient + android emulator and parallels windows 7 with fiddler proxy
– Arthur Menezes
Mar 24 '18 at 20:57
7
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Schrödingers MySQL table: exists, yet it does not
I am having the weirdest error of all.
11 Answers
11
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Pipe to/from the clipboard in Bash script
... Linux user who wants to put stuff in the X Windows primary clipboard. Usually, the clipboard you want to talk to has a utility that lets you talk to it.
In the case of X, there's xclip (and others). xclip -selection c will send data to the clipboard that works with Ctrl + C, Ctrl + V in most appl...
abort: no username supplied (see “hg help config”)
...po or put a .hgrc (hgrc for Windows) file in your home dir (then it covers all your projects)
In the file you should write
[ui]
username = Your Name <your@mail>
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Linux MySql编译安装 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...d mysql
useradd -g mysql mysql
#开始编译安装
cmake -DCMAKE_INSTALL_PREFIX=/usr/local/mysql \
-DMYSQL_UNIX_ADDR=/tmp/mysql.sock \
-DDEFAULT_CHARSET=utf8 \
-DDEFAULT_COLLATION=utf8_general_ci \
-DWITH_EXTRA_CHARSETS=all \
-DWITH_MYISAM_STORAGE_ENGINE=1 \
-DWITH_INNOBASE_STORAGE_ENGIN...