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移动前端开发之viewport的深入理解 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...那一块区域，在具体一点，就是浏览器上(也可能是一个app中的webview)用来显示网页的那部分区域，但viewport又不局限于浏览器可视区域的大小，它可能比浏览器的可视区域要大，也可能比浏览器的可视区域要小。在默认情况下，...
Installing specific package versions with pip
I'm trying to install version 1.2.2 of the MySQL_python adaptor, using a fresh virtualenv created with the --no-site-packages option. The current version shown in PyPi is 1.2.3 . Is there a way to install the older version? I found an article stating that this should do it:
...
How do you count the lines of code in a Visual Studio solution?
...ecurse | select-string .).Count
909402
PS C:\Other>
Why use an entire app when a single command-line will do it? :)
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Split string into array of character strings
... ^, and ). However, it works as you say it does.
– Ty_
Mar 6 '14 at 2:07
4
This is indeed a regex...
How to force cp to overwrite without confirmation
...witch back to Gnome wooed me after Nvidia killed my Fedora install. I'm ¯\_(ツ)_/¯ about it.
– Ray Foss
Jan 21 '18 at 6:35
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Is it possible to preview stash contents in git?
.... git stash list will show all the available.
– brita_
Jul 18 '14 at 21:13
7
If you are using Pow...
Add new value to an existing array in JavaScript [duplicate]
...t working for me. I am using it inside a map function $('select[id^="filter_"]').map(function () { var name = $(this).prop('name'); filters[name] = $(this).val();
– Happy Coder
Dec 5 '13 at 11:12
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Is XSLT worth it? [closed]
...f your team working with just XML.
A real world use case: I just wrote an app which handles in-memory XML docs throughout the system, and transforms to JSON, HTML, or XML as requested by the end user. I had a fairly random request to provide as Excel data. A former colleague had done something simi...
Django datetime issues (default=datetime.now())
...mplish what you are trying to do already:
date = models.DateTimeField(auto_now_add=True, blank=True)
or
date = models.DateTimeField(default=datetime.now, blank=True)
The difference between the second example and what you currently have is the lack of parentheses. By passing datetime.now withou...
Pandas: drop a level from a multi-level column index?
...
You can use MultiIndex.droplevel:
>>> cols = pd.MultiIndex.from_tuples([("a", "b"), ("a", "c")])
>>> df = pd.DataFrame([[1,2], [3,4]], columns=cols)
>>> df
a
b c
0 1 2
1 3 4
[2 rows x 2 columns]
>>> df.columns = df.columns.droplevel()
>>>...