大约有 46,000 项符合查询结果(耗时:0.0731秒) [XML]

https://stackoverflow.com/ques... 

Best way to display decimal without trailing zeroes

... And you can always throw an exorbitant* number of # symbols at the format. *not scientific – Anthony Pegram Jun 23 '10 at 20:43 ...
https://stackoverflow.com/ques... 

Should private helper methods be static if they can be static

...s inside the class that do not require access to any of the class members, and operate solely on their arguments, returning a result. ...
https://stackoverflow.com/ques... 

What regex will match every character except comma ',' or semi-colon ';'?

...tion you are using. Most of them have a Split method that takes delimiters and split by them. You might want to use that one with a "normal" (without ^) character class: [,;]+ share | improve this...
https://stackoverflow.com/ques... 

Add UIPickerView & a Button in Action sheet - How?

...ext errors in iOS 7. I just spent a few hours working through this problem and ultimately decided to take a different approach. I replaced the call to show the action sheet with a modal view controller containing a simple tableview. There are many ways to accomplish this. Here's one way that I jus...
https://stackoverflow.com/ques... 

Multiple INSERT statements vs. single INSERT with multiple VALUES

... I thought I'd look into this a bit more though so set up a loop (script) and tried adjusting the number of VALUES clauses and recording the compile time. I then divided the compile time by the number of rows to get the average compile time per clause. The results are below Up until 250 VALUES ...
https://stackoverflow.com/ques... 

Python strptime() and timezones?

... your example to time.strptime doesn't work but if you strip off the " %Z" and the " EST" it does work. Also using "UTC" or "GMT" instead of "EST" works. "PST" and "MEZ" don't work. Puzzling. It's worth noting this has been updated as of version 3.2 and the same documentation now also states the fo...
https://stackoverflow.com/ques... 

Why were pandas merges in python faster than data.table merges in R in 2012?

I recently came across the pandas library for python, which according to this benchmark performs very fast in-memory merges. It's even faster than the data.table package in R (my language of choice for analysis). ...
https://stackoverflow.com/ques... 

How do CSS triangles work?

...ere're plenty of different CSS shapes over at CSS Tricks - Shapes of CSS and I'm particularly puzzled with a triangle: 20...
https://stackoverflow.com/ques... 

How do I install the OpenSSL libraries on Ubuntu?

...install-openssl-manually-on-linux or howtoforge.com/tutorial/… libraries and header files are found under the same directory after installation: /usr/local/ssl – MickaelT Jan 22 '19 at 22:37 ...
https://stackoverflow.com/ques... 

Unrecognized attribute 'targetFramework'. Note that attribute names are case-sensitive

...followed by IIS in window 7. when building a website in .net framework 4.0 and convert this into application in IIS then its shows this error ...