大约有 10,150 项符合查询结果(耗时:0.0319秒) [XML]
How to invoke a Linux shell command from Java
I am trying to execute some Linux commands from Java using redirection (>&) and pipes (|). How can Java invoke csh or bash commands?
...
How can I create a correlation matrix in R?
...
5 Answers
5
Active
...
Executing injected by innerHTML after AJAX call
There's a div called "Content":
11 Answers
11
...
Getting the count of unique values in a column in bash
I have tab delimited files with several columns. I want to count the frequency of occurrence of the different values in a column for all the files in a folder and sort them in decreasing order of count (highest count first). How would I accomplish this in a Linux command line environment?
...
How to display long messages in logcat
I am trying to display long message on logcat. If the length of message is more than 1000 characters, it gets broken.
10 A...
Create or write/append in text file
I have a website that every time a user logs in or logs out I save it to a text file.
7 Answers
...
Can you get DB username, pw, database name in Rails?
I'm writing a rake task that does some DB work outside of Rails/ActiveRecord.
5 Answers
...
How to get duration, as int milli's and float seconds from ?
I'm trying to use chrono library for timers and durations.
4 Answers
4
...
Integrating the ZXing library directly into my Android application
I'm writing this in mere desperation :) I've been assigned to make a standalone barcode scanner (as a proof of concept) to an Android 1.6 phone.
...
git: undo all working dir changes including new files
How to delete all changes from working directory including new untracked files. I know that git checkout -f does that, but it doesn't delete new untracked files created since last commit.
...