In a script you must include a #! on the first line followed by the path to the program that will execute the script (e.g.: sh, perl). As far as I know, the # character denotes the start of a comment and that line is supposed to be ignored by the program executing the script. … Read more
Right now I’m using a few scripts to generate files that I’m including as resources in Xcode. The thing is I’m running the script, then deleting from the project, then adding back into the project. There must be a way to automate this last step, so that the script can generate the files and automatically … Read more
I have a small ruby script in which I’d like to use ActiveRecord to easily access a database model. What is the best way to do it? Answer require ‘active_record’ # Change the following to reflect your database settings ActiveRecord::Base.establish_connection( adapter: ‘mysql2’, # or ‘postgresql’ or ‘sqlite3’ or ‘oracle_enhanced’ host: ‘localhost’, database: ‘your_database’, username: ‘your_username’, … Read more
If I am using argparse and an if __name__ == ‘__main__’ test in a script that I would also like to use as a module, should I import argparse under that test and then initialize it? None of the style guides I have found mention using argparse in scripts and many examples of argparse scripting … Read more
I want to store a URL prefix in an Windows environment variable. The ampersands in the query string makes this troublesome though. For example: I have a URL prefix of http://example.com?foo=1&bar= and want to create a full URL by providing a value for the bar parameter. I then want to launch that URL using the … Read more
I have a method to validate a parameter IP Address. Being new to development as a whole I would like to know if there is a better way of doing this. /// <summary> /// Check IP Address, will accept 0.0.0.0 as a valid IP /// </summary> /// <param name=”strIP”></param> /// <returns></returns> public bool CheckIPValid(string strIP) … Read more
I am working on an embedded system running Linux on a DSP. Now we want to make some parts of it scriptable and we are looking for a nice embeddable scripting language. These scripts should integrate nicely with our existing C++ code base, be small and fast. I understand that Lua is the industry choice … Read more
I am writing unit tests for a client library. I want to test connecting with an invalid port and an invalid ip. What is a good ip address to use that won’t potentially be routed somewhere? I don’t want to make any assumptions about the network the machine running the unit tests is on. LOCALHOST … Read more
Can anyone please help how to get client IP and also server IP using Ruby on Rails? Answer From your controller: request.remote_ip If you are using apache in front of a mongrel, then remote_ip will return the source address of the request, which in this case will be local host because the Apache web server … Read more
I need to invoke a ant script via shell script. Let us consider the parameters for ant script are a,b,c. how can i pass the parameter for those variables? I must provide the parameters for ant vis invoke the shell script. can anyone help me on this? Answer Do you mean assigning value to a … Read more
