大约有 47,000 项符合查询结果（耗时：0.0739秒） [XML]
FileNotFoundException while getting the InputStream object from HttpURLConnection
I am trying to send a post request to a url using HttpURLConnection (for using cUrl in java).
The content of the request is xml and at the end point, the application processes the xml and stores a record to the database and then sends back a response in form of xml string. The app is hosted on apac...
lose vim colorscheme in tmux mode
I'm running iterm2 and when I'm in tmux mode the colorscheme I have set in vim does not show up. Only the color scheme I've set in iterm. If I run vim from shell the colorscheme appears correct - its only when I'm in tmux mode.
...
Importance of varchar length in MySQL table
I have a MySQL table where rows are inserted dynamically. Because I can not be certain of the length of strings and do not want them cut off, I make them varchar(200) which is generally much bigger than I need. Is there a big performance hit in giving a varchar field much more length than necessar...
How to ignore a property in class if null, using json.net
I am using Json.NET to serialize a class to JSON.
14 Answers
14
...
What is the equivalent of MATLAB's repmat in NumPy
I would like to execute the equivalent of the following MATLAB code using NumPy: repmat([1; 1], [1 1 1]) . How would I accomplish this?
...
Read lines from a file into a Bash array [duplicate]
I am trying to read a file containing lines into a Bash array.
6 Answers
6
...
cocktail party algorithm SVD implementation … in one line of code?
In a slide within the introductory lecture on machine learning by Stanford's Andrew Ng at Coursera, he gives the following one line Octave solution to the cocktail party problem given the audio sources are recorded by two spatially separated microphones:
...
Get name of current class?
How do I get the name of the class I am currently in?
7 Answers
7
...
How can I Remove .DS_Store files from a Git repository?
How can I remove those annoying Mac OS X .DS_Store files from a Git repository?
25 Answers
...
Storing Python dictionaries
I'm used to bringing data in and out of Python using CSV files, but there are obvious challenges to this. Are there simple ways to store a dictionary (or sets of dictionaries) in a JSON or pickle file?
...