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How to avoid “ConcurrentModificationException” while removing elements from `ArrayList` while iterat
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Thanks, now everything works fine :) I think this answer is the best, because the code is easily readable.
– Ernestas Gruodis
Aug 26 '13 at 16:40
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What is the MySQL JDBC driver connection string?
...class.forName string is "com.mysql.jdbc.Driver", which you can find (edit: now on the same page).
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How to delete a property from Google Analytics
...nalytics, but there is no delete option on the property page. Does anyone know how to delete a property from Google Analytics?
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Express-js wildcard routing to cover everything under and including a path
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The connect router has now been removed (https://github.com/senchalabs/connect/issues/262), the author stating that you should use a framework on top of connect (like Express) for routing.
Express currently treats app.get("/foo*") as app.get(/\/fo...
Specifying column name in a “references” migration
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Do it manually:
add_column :post, :author_id, :integer
but now, when you create the belongs_to statement, you will have to modify it, so now you have to call
def post
belongs_to :user, :foreign_key => 'author_id'
end
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Time complexity of Euclid's Algorithm
...o follow what happens over two iterations:
a', b' := a % b, b % (a % b)
Now a and b will both decrease, instead of only one, which makes the analysis easier. You can divide it into cases:
Tiny A: 2a <= b
Tiny B: 2b <= a
Small A: 2a > b but a < b
Small B: 2b > a but b < a
Equal...
How to get correct timestamp in C#
...date and time. The correct syntax to get current date and time is DateTime.Now, so change this:
String timeStamp = GetTimestamp(new DateTime());
to this:
String timeStamp = GetTimestamp(DateTime.Now);
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Static function variables in Swift
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Swift 1.2 with Xcode 6.3 now supports static as expected. From the Xcode 6.3 beta release notes:
“static” methods and properties are now allowed in classes (as an
alias for “class final”). You are now allowed to declare static stored
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bundler vs RVM vs gems vs RubyGems vs gemsets vs system ruby [closed]
...all the packages (while the gems are the packages themselves). Rubygems is now part of Ruby.
Bundler is what makes managing gems bearable. Based on your Gemfile, a simple call to bundler using bundle install will download and install all the required gems. Using standard gem command, you would have...
Is Haxe worth learning? [closed]
...sing Haxe, what makes it useful for you?
If you're a web developer, you know you can't stick with a single technology for too long. Sooner or later you'll have to deal with changes in the environment or targets (you develop for .NET but an important customer requires PHP, or maybe that widget shou...