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Hidden features of Python [closed]
...; x <= 9
True
>>> 5 == x > 4
True
In case you're thinking it's doing 1 < x, which comes out as True, and then comparing True < 10, which is also True, then no, that's really not what happens (see the last example.) It's really translating into 1 < x and x < 10, and x <...
What does the PHP error message “Notice: Use of undefined constant” mean?
PHP is writing this error in the logs: "Notice: Use of undefined constant".
9 Answers
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When is assembly faster than C?
One of the stated reasons for knowing assembler is that, on occasion, it can be employed to write code that will be more performant than writing that code in a higher-level language, C in particular. However, I've also heard it stated many times that although that's not entirely false, the cases wh...
Differences between MySQL and SQL Server [closed]
...t the top-n section. In MySQL:
SELECT age
FROM person
ORDER BY age ASC
LIMIT 1 OFFSET 2
In SQL Server (T-SQL):
SELECT TOP 3 WITH TIES *
FROM person
ORDER BY age ASC
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What is the difference between window, screen, and document in Javascript?
...so can be treated as the root of the document object model. You can access it as window
window.screen or just screen is a small information object about physical screen dimensions.
window.document or just document is the main object of the potentially visible (or better yet: rendered) document ob...
Schrödingers MySQL table: exists, yet it does not
...sue when the data file is missing in the data directory but the table definition file exists or vise-versa. If you're using innodb_file_per_table, check the data directory to make sure you have both an .frm file and .ibd file for the table in question. If it's MYISAM, there should be a .frm, .MYI an...
Java - No enclosing instance of type Foo is accessible
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static class Thing will make your program work.
As it is, you've got Thing as an inner class, which (by definition) is associated with a particular instance of Hello (even if it never uses or refers to it), which means it's an error to say new Thing(); without having a partic...
renderpartial with null model gets passed the wrong type
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I find this very counterintuitive so I added an "issue", vote on it if you agree: aspnet.codeplex.com/workitem/8872
– pbz
Jun 28 '11 at 22:26
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Extract traceback info from an exception object
Given an Exception object (of unknown origin) is there way to obtain its traceback? I have code like this:
5 Answers
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Renaming a branch in GitHub
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As mentioned, delete the old one on GitHub and re-push, though the commands used are a bit more verbose than necessary:
git push origin :name_of_the_old_branch_on_github
git push origin new_name_of_the_branch_that_is_local
Dissecting the commands a bit, the git...