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iReport not starting using JRE 8

I have downloaded and installed the iReport 4.5 using te Windows installer. But when I try to start the iReport it shows the splash screen but does not start. ...
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Why can't decimal numbers be represented exactly in binary?

...e the == operator to compare it to another floating-point number. I understand the principles behind floating-point representation. ...
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Which cryptographic hash function should I choose?

...Indeed, MD5 is often still used in applications where the smaller key size and speed are beneficial. That said, due to its flaws, researchers recommend the use of other hash functions in new scenarios. SHA1 has a flaw that allows collisions to be found in theoretically far less than the 2^80 steps ...
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What does appending “?v=1” to CSS and Javascript URLs in link and script tags do?

...ing at a HTML 5 boilerplate template (from http://html5boilerplate.com/ ) and noticed the use of "?v=1" in URLs when referring to CSS and Javascript files. ...
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WordPress is giving me 404 page not found for all pages except the homepage

All of a sudden I go to my WordPress website and all the pages give me a 404 page not found page. I'm assuming the problem lies with the permalink structure, which I could swear I did not touch. The permalink setting is on "month and name." ...
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Given a class, see if instance has method (Ruby)

...don't know why everyone is suggesting you should be using instance_methods and include? when method_defined? does the job. class Test def hello; end end Test.method_defined? :hello #=> true NOTE In case you are coming to Ruby from another OO language OR you think that method_defined means ...
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How to model type-safe enum types?

... problems Schildmeijer mentioned. So do "object foo extends App { ... }" And you have immediate access to command-line arguments through the args variable. – AmigoNico Jul 25 '12 at 2:55 ...
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How to resolve symbolic links in a shell script

... According to the standards, pwd -P should return the path with symlinks resolved. C function char *getcwd(char *buf, size_t size) from unistd.h should have the same behaviour. getcwd pwd ...
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Adding new column to existing DataFrame in Python pandas

I have the following indexed DataFrame with named columns and rows not- continuous numbers: 24 Answers ...
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unit testing of private functions with mocha and node.js

...alled by test code outside the module. That's due to how JavaScript works, and Mocha cannot by itself circumvent this. In the few instances where I determined that testing a private function is the right thing to do, what I've done is set some environment variable that my module checks to determine...