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How to delete or add column in SQLITE?
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SQLite supports a limited subset of ALTER TABLE. The ALTER TABLE command in SQLite allows the user to rename a table or to add a new column to an existing table. It is not possible to rename a column, remove a column, or add or remove constraints from a table.
You can:
create new table as ...
How do I remove the passphrase for the SSH key without having to create a new key?
... I realise now, this is quite painful when you are trying to commit ( Git and SVN ) to a remote location over SSH many times in an hour.
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How to tell git to use the correct identity (name and email) for a given project?
I use my personal laptop for both work and personal projects and I would like to use my work email address for my commits at work (gitolite) and my personal email address for the rest (github).
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Passing a 2D array to a C++ function
... You're right, there're only really two cases; one is a pointer-to-pointer and other being a single pointer to an integer array of size n i.e. int (*a) [10].
– legends2k
Jul 10 '13 at 10:44
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Difference between wait and sleep
What is difference between wait and sleep ?
3 Answers
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How to detect duplicate values in PHP array?
...he presence of duplicate values, then count the number of duplicate values and out put the results. For example, given the following array:
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How does interfaces with construct signatures work?
...how defining constructors in interfaces work. I might be totally misunderstanding something. But I have searched for answers for a good while and I can not find anything related to this.
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Xcode duplicate line
There is a Duplicate command in the Edit Menu (with a default shortcut of ⌘ D ), but it is (as Halley pointed out) meant for duplication in the Interface Builder part of Xcode.
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How to send a command to all panes in tmux?
...s with a huge scrollback. However, I want to script a way to send this command to all the panes in the various windows.
7 A...
How to iterate through two lists in parallel?
I have two iterables in Python, and I want to go over them in pairs:
8 Answers
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