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Why are there two ways to unstage a file in Git?
Sometimes git suggests git rm --cached to unstage a file, sometimes git reset HEAD file . When should I use which?
13 An...
Determine the data types of a data frame's columns
I'm using R and have loaded data into a dataframe using read.csv() . How do I determine the data type of each column in the data frame?
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T-SQL split string
I have a SQL Server 2008 R2 column containing a string which I need to split by a comma. I have seen many answers on StackOverflow but none of them works in R2. I have made sure I have select permissions on any split function examples. Any help greatly appreciated.
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Maven-like dependency management for C++? [closed]
Say I have a C++ project that is split in several subprojects. The subproject all produce a DLL and different teams of developers work on each of the subproject. Now if I want to build the main project, is there a way to avoid having to build all the subprojects by myself?
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java: Class.isInstance vs Class.isAssignableFrom
Let clazz be some Class and obj be some Object .
4 Answers
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What is JavaScript garbage collection?
What is JavaScript garbage collection? What's important for a web programmer to understand about JavaScript garbage collection, in order to write better code?
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How to convert strings into integers in Python?
I have a tuple of tuples from a MySQL query like this:
15 Answers
15
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Regex to match only letters
How can I write a regex that matches only letters?
20 Answers
20
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Can I have an onclick effect in CSS?
I have an image element that I want to change on click.
12 Answers
12
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Why is the C++ STL is so heavily based on templates? (and not on *interfaces*)
I mean, aside from its obligating name (the Standard Template Library)...
13 Answers
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