一般来说这些shortcut operator 的传回值如果不是当作boolean而是当作一般的值来用的话,其传回值会是最后一个被evaluate的expression的值。 我们也可以把一个比较运算,或是 boolean运算的结果设定给一个变量,其例子如下: >>> string1, string2, string3 = '', 'Trondheim', 'Hammer Dance' >>> non_null =...
The standard REPL provides many other interesting and useful keyboard shortcuts. The table below shows some of them:Keyboard ShortcutDescription Ctrl+L Clears the screen, reprinting the current line at the top Ctrl+D Exits the current REPL session Ctrl+C Raises a KeyboardInterrupt exception and ...
In very simple terms, pagination is the act of splitting large amounts of data into multiple smaller pieces. For example, whenever you go to the questions page in Stack Overflow, you see something like this at the bottom: Example Pagination in Stack Overflow You probably recognize this from...
I have a colab notebook with code that opens multiple new tabs in the browser: from IPython.display import Javascript def open_tab(url): display(Javascript('window.open("{url}");'.format(url=url))) Everything works fine when I use it with dataframe["urls"].apply(open_tab). However...
Black will break a line before a binary operator when splitting a block of code over multiple lines. This is so that Black is compliant with the recent changes in the PEP 8 style guide, which emphasizes that this approach improves readability. This behaviour may raise W503 line break before...
git_repos_pull.sh - pull multiple repos based on a source file mapping list - useful for easily sync'ing lots of Git repos among computers git_repos_update.sh - same as above but also runs the make update build to install the latest dependencies, leverages the above script git_grep_env...
When we open the workbook, a comment will be seen with a marker on top right corner of C3 cell when the cursor is placed in it.By default, the comments are not visible until the cursor hovers on the cell in which the comment is written. You can either show all the comments in a ...
Python参考手册,官方正式版参考手册,chm版。以下摘取部分内容:Navigation index modules | next | Python » 3.6.5 Documentation » Python Documentation contents What’s New in Python What’s New In Python 3.6 Summary – Release highlights New Features PEP 498: Formatted string literals PEP 526: Syn...
Type and Class Changes Old and New Classes Descriptors Multiple Inheritance: The Diamond Rule Attribute Access Related Links PEP 234: Iterators PEP 255: Simple Generators PEP 237: Unifying Long Integers and Integers PEP 238: Changing the Division Operator Unicode Changes PEP 227: Nested Scopes New ...
keyboard shortcut to show/hide hidden files. Windows Open File Explorer on the taskbar, then choose View → Options →“Change folder and search options.” On the View tab in “Advanced settings,” select “Show hidden files, folders, and drives,” then click OK. Look for the folder (it...