大约有 42,000 项符合查询结果(耗时:0.0766秒) [XML]

https://stackoverflow.com/ques... 

How to Correctly Use Lists in R?

...st?) contemporary programming languages in widespread use have at least a handful of ADTs [abstract data types] in common, in particular, ...
https://stackoverflow.com/ques... 

Decreasing height of bootstrap 3.0 navbar

...28px; } Work with Bootstrap 3.3.4 .navbar-nav > li > a, .navbar-brand { padding-top:4px !important; padding-bottom:0 !important; height: 28px; } .navbar {min-height:28px !important;} Update Complete code to customize and decrease height of navbar with screenshot. CSS: /* ...
https://stackoverflow.com/ques... 

Capturing console output from a .NET application (C#)

How do I invoke a console application from my .NET application and capture all the output generated in the console? 8 Answ...
https://stackoverflow.com/ques... 

How can I avoid running ActiveRecord callbacks?

... This solution is Rails 2 only. I just investigated this and I think I have a solution. There are two ActiveRecord private methods that you can use: update_without_callbacks create_without_callbacks You're going to have to use send to call these methods. examples: p = Person.ne...
https://stackoverflow.com/ques... 

Converting NumPy array into Python List structure?

...nvert a NumPy array to a Python List (for example [[1,2,3],[4,5,6]] ), and do it reasonably fast? 5 Answers ...
https://stackoverflow.com/ques... 

DateTime.ToString(“MM/dd/yyyy HH:mm:ss.fff”) resulted in something like “09/14/2013 07.20.31.371”

...Your user must be in a culture where the time separator is a dot. Both ":" and "/" are interpreted in a culture-sensitive way in custom date and time formats. How can I make sure the result string is delimited by colon instead of dot? I'd suggest specifying CultureInfo.InvariantCulture: strin...
https://stackoverflow.com/ques... 

Getting an object from an NSSet

...containsObject to test for membership, use anyObject to get a member (not random), or convert it to an array (in no particular order) with allObjects. A set is appropriate when you don't want duplicates, don't care about order, and want fast membership testing. ...
https://stackoverflow.com/ques... 

Trying to embed newline in a variable in bash [duplicate]

...n the source code p="${var1} ${var2}" echo "${p}" Using $'\n' (only bash and zsh) p="${var1}"$'\n'"${var2}" echo "${p}" Details 1. Inserting \n p="${var1}\n${var2}" echo -e "${p}" echo -e interprets the two characters "\n" as a new line. var="a b c" first_loop=true for i in $var do p="...
https://stackoverflow.com/ques... 

Remove the last character from a string [duplicate]

... First, I try without a space, rtrim($arraynama, ","); and get an error result. Then I add a space and get a good result: $newarraynama = rtrim($arraynama, ", "); share | imp...
https://stackoverflow.com/ques... 

Adding custom radio buttons in android

I have a simple android radio button below 10 Answers 10 ...