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Pandas: Looking up the list of sheets in an excel file
...eet_names attribute):
xl = pd.ExcelFile('foo.xls')
xl.sheet_names # see all sheet names
xl.parse(sheet_name) # read a specific sheet to DataFrame
see docs for parse for more options...
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Creating a new DOM element from an HTML string using built-in DOM methods or Prototype
...hat unlike HTML templates this won't work for some elements that cannot legally be children of a <div>, such as <td>s.
If you're already using a library, I would recommend you stick to the library-approved method of creating elements from HTML strings:
Prototype has this feature buil...
What are the differences between Chosen and Select2?
...o be loaded as option tags in the DOM, which limits it to working with
small-ish datasets. Select2 uses a function to find results
on-the-fly, which allows it to partially load results.
Paging of results: Since Select2 works with large datasets and only loads a small amount of matching results...
In Python, how to display current time in readable format
...e.g., -0400. %Z gives you current timezone name (or abbreviation) automatically. Python doesn't support %l, you could use %I instead.
– jfs
Dec 14 '13 at 19:30
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Difference between framework vs Library vs IDE vs API vs SDK vs Toolkits? [closed]
...s. e.g Eclipse, Visual Studio.
A Library is a chunk of code that you can call from your own code, to help you do things more quickly/easily. For example, a Bitmap Processing library will provide facilities for loading and manipulating bitmap images, saving you having to write all that code for your...
backbone.js - events, knowing what was clicked
...
Normally on an event bind, you would just use $(this), but I'm fairly sure Backbone views are set up so that this always refer to the view, so try this:
perpage: function(ev) {
alert($(ev.target).text());
}
REALLY LATE EDIT...
MySQL Error 1093 - Can't specify target table for update in FROM clause
... criteria. This will cause MySQL to see the table as two different things, allowing destructive changes to go ahead.
UPDATE tbl AS a
INNER JOIN tbl AS b ON ....
SET a.col = b.col
Alternatively, try nesting the subquery deeper into a from clause ...
If you absolutely need the subquery, there's a ...
Converting Mercurial folder to a Git repository
... naXanaXa
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提升速度：XP注册表与驱动优化 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...优化方案
1、启动加速
虽然Windows XP的启动速度比Windows 98有了很大提高，但还是有加速的余力。到微软站点下载Bootvis.exe文件，启动它，依次选择菜单里面的Trace→Optimize System，这时候系统会提示是否重新启动，选择启动，重...
Big O of JavaScript arrays
...pending - Amortized O(1) (sometimes resizing the hashtable is required; usually only insertion is required)
Prepending - O(n) via unshift, since it requires reassigning all the indexes
Insertion - Amortized O(1) if the value does not exist. O(n) if you want to shift existing values (Eg, using splice...