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How to select/get drop down option in Selenium 2
...code to selenium 2 and can't find any easy way to select a label in a drop down menu or get the selected value of a drop down. Do you know how to do that in Selenium 2?
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What exactly is a reentrant function?
...ally. In this case, this is not a hard-defined term. It just mean "You can do that, without risk".
2. If a program can be safely executed concurrently, does it always mean that it is reentrant?
No.
For example, let's have a C++ function that takes both a lock, and a callback as a parameter:
#inc...
Paperclip::Errors::MissingRequiredValidatorError with Rails 4
...rclip raises Paperclip::Errors::MissingRequiredValidatorError error if you do not do any of this.
In your case, you can add any of the following line to your Post model, after specifying has_attached_file :image
Option 1: Validate content type
validates_attachment_content_type :image, :content_ty...
Express next function, what is it really for?
Have been trying to find a good description of what the next() method does. In the Express documentation it says that next('route') can be used to jump to that route and skip all routes in between, but sometimes next is called without arguments. Anybody knows of a good tutorial etc that descri...
Server is already running in Rails
...ally track the process id (pid) in a file like server.pid. I think this is doing the same thing here. That file was probably left over from a crash.
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Is there an alternative to string.Replace that is case-insensitive?
...ses where the strings are input from outside, one cannot be sure that they do not contain characters which mean something special in regular expressions
– Allanrbo
Jan 7 '11 at 15:21
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Read binary file as string in Ruby
... tar file and convert it into a string (and vice versa). Is there a way to do this in Ruby? My best attempt was this:
8 Ans...
Best way to encode text data for XML in Java?
...L is part of the standard Java framework - look in org.w3c.sax and org.w3c.dom. However, there are some easier-to-use framework around as well, such as JDom. Note that there may not be an "encoding strings for XML output" method - I was more recommending that the whole XML task should be done with a...
Check if a row exists, otherwise insert
...o write a T-SQL stored procedure that updates a row in a table. If the row doesn't exist, insert it. All this steps wrapped by a transaction.
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How can I detect the touch event of an UIImageView?
...w I want to detect the touch event and want to handle the event. How can I do that?
10 Answers
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