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Colspan all columns

How can I specify a td tag should span all columns (when the exact amount of columns in the table will be variable/difficult to determine when the HTML is being rendered)? w3schools mentions you can use colspan="0" , but it doesn't say exactly what browsers support that value (IE 6 is in our li...
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Finding duplicate values in MySQL

I have a table with a varchar column, and I would like to find all the records that have duplicate values in this column. What is the best query I can use to find the duplicates? ...
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How do you find the sum of all the numbers in an array in Java?

I'm having a problem finding the sum of all of the integers in an array in Java. I cannot find any useful method in the Math class for this. ...
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How to delete multiple buffers in Vim?

...n Vim. The files have *.cpp , *.h and some are *.xml . I want to close all the XML files with :bd *.xml . However, Vim does not allow this (E93: More than one match...). ...
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Acronyms in CamelCase [closed]

...n you use an abbreviation or acronym that is two characters long, put them all in caps; When the acronym is longer than two chars, use a capital for the first character. So, in your specific case, getUnescoProperties() is correct. ...
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Why do I need to explicitly push a new branch?

... did git push my branch was not uploaded to the repository. I had to actually do: git push -u origin --all . Why is this? Isn't a branch a new change to be pushed by default? Why do I need to run the second command? ...
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How to set warning level in CMake?

...CMake user should refrain from fiddling with CMAKE_CXX_FLAGS directly and call the target_compile_options command instead. Check the mrts' answer which presents the recommended best practice. You can do something similar to this: if(MSVC) # Force to always compile with W4 if(CMAKE_CXX_FLAGS MA...
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What is the difference between the Data Mapper, Table Data Gateway (Gateway), Data Access Object (DA

... skills, and I'm curious what are the differences between these patterns? All of them seem like they are the same thing - encapsulate the database logic for a specific entity so the calling code has no knowledge of the underlying persistence layer. From my brief research all of them typically impl...
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Are HTTP cookies port specific?

...e network attacker. Similarly, cookies for a given host are shared across all the ports on that host, even though the usual "same-origin policy" used by web browsers isolates content retrieved via different ports. And also: 8.5. Weak Confidentiality Cookies do not provide isolation by p...
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What is a lambda expression in C++11?

... } } f; std::for_each(v.begin(), v.end(), f); } however this is not allowed, f cannot be passed to a template function in C++03. The new solution C++11 introduces lambdas allow you to write an inline, anonymous functor to replace the struct f. For small simple examples this can be cleaner t...