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Is a GUID unique 100% of the time?
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While each generated GUID is not
guaranteed to be unique, the total
number of unique keys (2128 or
3.4×1038) is so large that the probability of the same number being
generated twice is very small. For
example, consider the observable
universe, which contains about 5×10...
How can I convert a std::string to int?
Just have a quick question. I've looked around the internet quite a bit and I've found a few solutions but none of them have worked yet. Looking at converting a string to an int and I don't mean ASCII codes.
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How to find out what type of a Mat object is with Mat::type() in OpenCV
I am kind of confused with type() method of Mat object in OpenCV. If I have following lines:
6 Answers
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How do you force a makefile to rebuild a target
I have a makefile that builds and then calls another makefile. Since this makefile calls more makefiles that does the work it doesnt really change. Thus it keeps thinking the project is built and upto date.
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Is an anchor tag without the href attribute safe?
Is it okay to use an anchor tag without including the href attribute, and instead using a JavaScript click event handler? So I would omit the href completely, not even have it empty ( href="" ).
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GitHub Error Message - Permission denied (publickey)
Anybody seen this error and know what to do?
36 Answers
36
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hadoop No FileSystem for scheme: file
I am trying to run a simple NaiveBayesClassifer using hadoop, getting this error
18 Answers
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Cropping an UIImage
... small, square representation of an image, similar to what's seen in the album view of the Photos app. (I know I could use a UIImageView and adjust the crop mode to achieve the same results, but these images are sometimes displayed in UIWebViews ).
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How can I create a self-signed cert for localhost?
...e through the steps detailed in How do you use https / SSL on localhost? but this sets up a self-signed cert for my machine name, and when browsing it via https://localhost I receive the IE warning.
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Can an Option in a Select tag carry multiple values?
I got a select tag with some options in a HTML form:
(the data will be collected and processed using PHP)
15 Answers
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