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Set operations (union, intersection) on Swift array?
Are there any standard library calls I can use to either perform set operations on two arrays, or implement such logic myself (ideally as functionally and also efficiently as possible)?
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Calculate MD5 checksum for a file
I'm using iTextSharp to read the text from a PDF 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 ...
Iterator invalidation rules
What are the iterator invalidation rules for C++ containers?
6 Answers
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How to do a Jquery Callback after form submit?
I have a simple form with remote=true.
7 Answers
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MySQL combine two columns into one column
I'm trying to find a way to combine two columns into one, but keep getting the value '0' in the column instead to the combination of the words.
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default select option as blank
I have a very weird requirement, wherein I am required to have no option selected by default in drop down menu in HTML. However,
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How to configure Git post commit hook
How to trigger a build remotely from Jenkins?
How to configure Git post commit hook?
4 Answers
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Reversing a linked list in Java, recursively
I have been working on a Java project for a class for a while now. It is an implementation of a linked list (here called AddressList , containing simple nodes called ListNode ). The catch is that everything would have to be done with recursive algorithms. I was able to do everything fine sans one ...
Possible heap pollution via varargs parameter
I understand this occurs with Java 7 when using varargs with a generic type;
5 Answers
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To find whether a column exists in data frame or not
I have a data.frame with the name "abcframe"
4 Answers
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