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What is the difference between Gemfile and Gemfile.lock in Ruby on Rails
...ere you specify which gems you want to use, and lets you specify which versions.
The Gemfile.lock file is where Bundler records the exact versions that were installed. This way, when the same library/project is loaded on another machine, running bundle install will look at the Gemfile.lock and inst...
Redis key naming conventions?
What are the normal naming convention for keys in redis? I've seen values separated by : but I'm not sure what the normal convention is, or why.
...
Modify request parameter with servlet filter
An existing web application is running on Tomcat 4.1. There is an XSS issue with a page, but I can't modify the source. I've decided to write a servlet filter to sanitize the parameter before it is seen by the page.
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How to validate phone numbers using regex
...rehensive regex to validate phone numbers. Ideally it would handle international formats, but it must handle US formats, including the following:
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Execute and get the output of a shell command in node.js
... project I am working now.
var exec = require('child_process').exec;
function execute(command, callback){
exec(command, function(error, stdout, stderr){ callback(stdout); });
};
Example: Retrieving git user
module.exports.getGitUser = function(callback){
execute("git config --global user...
In absence of preprocessor macros, is there a way to define practical scheme specific flags at proje
Before swift I would define a set of schemes for alpha, beta, and distribution builds. Each of these schemes would have a set of macros that were defined to gate certain behaviors at the project level. The simplest example is the DEBUG=1 macro that is defined by default for all Xcode projects in t...
What are best practices for REST nested resources?
..., I wonder what's the best practice for not duplicating code in such scenarios.
– abookyun
May 13 '15 at 3:18
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Can you use hash navigation without affecting history?
...
location.replace("#hash_value_here"); worked fine for me until I found that it doesn't work on IOS Chrome. In which case, use:
history.replaceState(undefined, undefined, "#hash_value")
history.replaceState() operates exactly...
How to implement the activity stream in a social network
... own social network, and I haven't found on the web examples of implementation the stream of users' actions... For example, how to filter actions for each users? How to store the action events? Which data model and object model can I use for the actions stream and for the actions itselves?
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How to use unicode characters in Windows command line?
We have a project in Team Foundation Server (TFS) that has a non-English character (š) in it. When trying to script a few build-related things we've stumbled upon a problem - we can't pass the š letter to the command-line tools. The command prompt or what not else messes it up, and the tf.exe ...