大约有 44,000 项符合查询结果（耗时：0.0740秒） [XML]
How to identify numpy types in python?
....g. numpy.ma.MaskedArray not a numpy enough type?
– panda-34
Mar 10 '16 at 13:02
If you want anything in numpy.* you j...
ASP.NET MVC - passing parameters to the controller
...the parameter is any kind of number. You can modify the regex as you like, and even limit the number of decimals, like this: new { firstItem = @"\d{4}" } - now it can only be 4 numbers long. Edit: example of fully modified MapRoute: jsfiddle.net/HJRgT
– KristianB
...
xkcd style graphs in MATLAB
...he various plotting functions I wanted to create a generic tool that could convert any existing plot to a xkcd style plot.
This approach means that you can create plots and style them using standard MATLAB functions and then when you're done you can then re-render the plot in an xkcd style while ...
What is more efficient? Using pow to square or just multiply it with itself?
What of these two methods is in C more efficient? And how about:
7 Answers
7
...
How to call Android contacts list?
I'm making an Android app, and need to call the phone's contact list. I need to call the contacts list function, pick a contact, then return to my app with the contact's name. Here's the code I got on the internet, but it doesnt work.
...
Is floating point math broken?
...urrency unit is - this often helps with e.g. reducing round-off error when converting "$29.99 a month" to a daily rate - but it should still be fixed-point arithmetic.)
– zwol
May 12 '14 at 22:23
...
HashSet vs. List performance
...be better off using a List<T>.
I did a test for this on my machine, and, well, it has to be very very small to get an advantage from List<T>. For a list of short strings, the advantage went away after size 5, for objects after size 20.
1 item LIST strs time: 617ms
1 item HASHSET strs t...
SQL to determine minimum sequential days of access?
...n user has accessed a website (in a 24 hour UTC period). It has many thousands of records, but only one record per day per user. If the user has not accessed the website for that day, no record will be generated.
...
How to do INSERT into a table records extracted from another table
I'm trying to write a query that extracts and transforms data from a table and then insert those data into another table. Yes, this is a data warehousing query and I'm doing it in MS Access. So basically I want some query like this:
...
Best practice using NSLocalizedString
...on_title_login, forState: .Normal)
The project uses Google App Script to convert Sheets --> CSV , and Python script to convert CSV files --> Localizable.strings You can have a quick look at this example sheet to know what's possible.
...