大约有 44,000 项符合查询结果(耗时:0.0789秒) [XML]

https://stackoverflow.com/ques... 

How to permanently set $PATH on Linux/Unix? [closed]

... session. In case of the shell script you must use a specific shell syntax and export or set commands. System wide /etc/environment List of unique assignments, allows references. Perfect for adding system-wide directories like /usr/local/something/bin to PATH variable or defining JAVA_HOME. Used ...
https://stackoverflow.com/ques... 

What is the relation between BLAS, LAPACK and ATLAS

I don't understand how BLAS, LAPACK and ATLAS are related and how I should use them together! I have been looking through all of their manuals and I have a general idea of BLAS and LAPACK and how to use them with the very few examples I find, but I can't find any actual examples using ATLAS to see h...
https://stackoverflow.com/ques... 

Circle drawing with SVG's arc path

Short question: using SVG path, we can draw 99.99% of a circle and it shows up, but when it is 99.99999999% of a circle, then the circle won't show up. How can it be fixed? ...
https://stackoverflow.com/ques... 

Possible to access the index in a Hash each loop?

...me thing as (key,value) = arr, putting the first value (the key) into key, and the second into value. – rampion Jan 18 '10 at 2:45 1 ...
https://stackoverflow.com/ques... 

Undo “git add ”?

I mistakenly added files using the command "git add dir". I have not yet run "git commit". Is there a way to remove this dir and everything contained within it from the commit? ...
https://stackoverflow.com/ques... 

CSS3 box-sizing: margin-box; Why not?

...is highly browser-dependant. Probably around 2020 the ie15 will support it and you will be allowed to use that in your work, too :-( – peterh - Reinstate Monica Nov 25 '13 at 10:32 ...
https://stackoverflow.com/ques... 

Reading Excel files from C#

...Tables["anyNameHere"].AsEnumerable(); as this lets me use LINQ to search and build structs from the fields. var query = data.Where(x => x.Field<string>("phoneNumber") != string.Empty).Select(x => new MyContact { firstName= x....
https://stackoverflow.com/ques... 

HTML select form with option to enter custom value

... HTML5 has a built-in combo box. You create a text input and a datalist. Then you add a list attribute to the input, with a value of the id of the datalist. Update: As of March 2019 all major browsers (now including Safari 12.1 and iOS Safari 12.3) support datalist to the level ne...
https://stackoverflow.com/ques... 

Elegant method to generate array of random dates within two dates

I have a datepicker where I show two months and I want to randomly choose 3 dates in each visible month 4 Answers ...
https://stackoverflow.com/ques... 

Tablet or Phone - Android

...user is using a tablet or a phone? I've got problems with my tilt function and my new tablet (Transformer) 30 Answers ...