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Using Python's os.path, how do I go up one directory?
I recently upgrade Django from v1.3.1 to v1.4.
14 Answers
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Should I use JSLint or JSHint JavaScript validation? [closed]
...ionally be cases where a linter will complain about something that you've done intentionally -- for example, you know that you should always use === but just this one time you have a good reason to use ==. But even then, with ESLint you have the option to specify eslint-disable around the line in qu...
Why does C++ compilation take so long?
...reds or even thousands of headers to be (1) loaded and (2) compiled.
Every one of them typically has to be recompiled for every compilation unit,
because the preprocessor ensures that the result of compiling a header might vary between every compilation unit.
(A macro may be defined in one compilati...
What is the difference between user and kernel modes in operating systems?
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How the switch occurs.
The switch from user mode to kernel mode is not done automatically by CPU. CPU is interrupted by interrupts (timers, keyboard, I/O). When interrupt occurs, CPU stops executing the current running program, switch to kernel mode, executes interrupt handler. This handler saves...
pull/push from multiple remote locations
...rge into HEAD, do:
git remote update
If it's not currently connected to one of the remotes, it will take time out or throw an error, and go on to the next. You'll have to manually merge from the fetched repositories, or cherry-pick, depending on how you want to organize collecting changes.
To fe...
What is an index in SQL?
...es are not unique. I might have a user database and want to query for everyone that lives in Gothenburg. An index on the "city" field would speed up my query. But there are more than 1 user living in Gothenburg so the index must be non-unique.
– Emil Vikström
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Drop all the tables, stored procedures, triggers, constraints and all the dependencies in one sql st
...eting stored procedures, triggers, constraints and all the dependencies in one SQL statement?
21 Answers
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Why should I avoid using Properties in C#?
...ot to use them. He gave some reason, but I don't really understand. Can anyone explain to me why I should or should not use properties?
In C# 3.0, with automatic properties, does this change?
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Library not loaded: /usr/local/opt/readline/lib/libreadline.6.2.dylib
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This one did it for me on El Capitan
– Sebastian Sastre
Oct 20 '16 at 13:18
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How do I remove a submodule?
...iling slash)
# or, if you want to leave it in your working tree and have done step 0
3. git rm --cached a/submodule
3bis mv a/submodule_tmp a/submodule
Explanation
rm -rf: This is mentioned in Daniel Schroeder's answer, and summarized by Eonil in the comments:
This leaves .git/modules/<...