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How can you find and replace text in a file using the Windows command-line environment?
I am writing a batch file script using Windows command-line environment and want to change each occurrence of some text in a file (ex. "FOO") with another (ex. "BAR"). What is the simplest way to do that? Any built in functions?
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Xcode build failure “Undefined symbols for architecture x86_64”
...n not locate the "xxx" so this error occurs.
You need to add the missing files(in this case "xxx") by right click on your project folder in navigator window and tap on "Add files to "YourProjectName"" option.
A popup window will open your project files in Finder. There, you can see the missing f...
Best PHP IDE for Mac? (Preferably free!) [closed]
...nge the defaults in Preferences > Editor > Indentation, and on a per-file basis by right-clicking in the editor view > Properties and Settings > File Preferences > Editor > Indentation...
– Simon M
Jul 20 '13 at 5:49
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Save image from URL by paperclip
...ay:
require "open-uri"
class User < ActiveRecord::Base
has_attached_file :picture
def picture_from_url(url)
self.picture = open(url)
end
end
Then simply :
user.picture_from_url "http://www.google.com/images/logos/ps_logo2.png"
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What is reflection and why is it useful?
...classes to be used can be instantiated using reflection from configuration files.
Lots of modern frameworks use reflection extensively for this very reason. Most other modern languages use reflection as well, and in scripting languages (such as Python) they are even more tightly integrated, since i...
library not found for -lPods
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Aha, in your Podfile, specify the platform like so: platform :ios, :deployment_target => "3.2". That should configure it correctly the next time you run pod install.
– alloy
Apr 5 '12 at 21:54
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Disable ActiveRecord for Rails 4
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For existing applications:
1. Remove database adapter gems from your Gemfile (mysql2, sqlite3, etc.)
2. Change your config/application.rb
Remove require 'rails/all line and require frameworks (among those available in your rails version, the list varies, do not just copy) you want to use, for e...
bash: shortest way to get n-th column of output
...t shorter, but it's a bit more efficient and it handles whitespace in your filenames correctly.
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how to unit test file upload in django
In my django app, I have a view which accomplishes file upload.The core snippet is like this
10 Answers
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Best way to add Activity to an Android project in Eclipse?
...s other steps you need to do by hand (e.g. adding an entry to the manifest file). If you want those steps to be automated, you can create the activity via the manifest editor like this:
Double click on AndroidManifest.xml in the package explorer.
Click on the "Application" tab of the manifest edit...