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Calculate MD5 checksum for a file
...file. However, there are times I cannot extract text, because the PDF file is only containing images. I download the same PDF files everyday, and I want to see if the PDF has been modified. If the text and modification date cannot be obtained, is a MD5 checksum the most reliable way to tell if the...
Rails: Using greater than/less than with a where statement
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Try this
User.where("id > ?", 200)
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How to get the unique ID of an object which overrides hashCode()?
... a class in Java doesn't override hashCode() ,
printing an instance of this class gives a nice unique number.
10 Answers
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ExecJS and could not find a JavaScript runtime
I'm trying to use the Mongoid / Devise Rails 3.1 template ( Mongoid and Devise ), and I keep getting an error stating ExecJS cannot find a JavaScript runtime. Fair enough when I didn't have any installed, but I've tried installing Node.js , Mustang and the Ruby Racer , but nothing is work...
jQuery Click fires twice when clicking on label
...adio i am clicking but the div that wraps the whole input and label). Here is the code:
15 Answers
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Getting Spring Application Context
Is there a way to statically/globally request a copy of the ApplicationContext in a Spring application?
16 Answers
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When someone writes a new programming language, what do they write it IN?
...question. Its an excellent question.
As already answered the short answer is, "Another language."
Well that leads to some interesting questions? What if its the very first language written for
your particular piece of hardware? A very real problem for people who work on embedded devices. As alr...
Can Go compiler be installed on Windows?
...X compilers. Does anyone know if Go programming can be done on Windows, or is it something that Google hasn't implemented yet?
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Node.js create folder or use existing
I already have read the documentation of Node.js and, unless if I missed something, it does not tell what the parameters contain in certain operations, in particular fs.mkdir() . As you can see in the documentation, it's not very much.
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