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How to revert (Roll Back) a checkin in TFS 2010
...st on the files you are attempting to rollback; otherwise you will see the error:
"No changes to roll back."
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erb, haml or slim: which one do you suggest? And why? [closed]
...script for JS tags
Cons
whitespace dependent which makes for some hard errors to figure out at times
complex tags usually need to resort to "hash" format. (Although I actually think this is a great example of flexibility to someone starting out it could be a pain.)
added as a gem (again probably...
Is it better to return null or empty collection?
... or "don't know". We could throw an exception, but it's not necessarily an error condition, and it doesn't necessarily drive us out of the normal program flow.
I've often been frustrated by systems that cannot distinguish between zero and no answer. I've had a number of times where a system has ask...
How to exit a function in bash
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@YevgeniyBrikman that's only true if the error in the function is unexpected. If the function is called using e.g. || then it's possible to return a nonzero code and still have the script continue to execute.
– Dan Passaro
Jul...
How can I negate the return-value of a process?
...he 'do nothing successfully' option was correct; maybe it should report an error when it isn't asked to do anything. The code in '"stderr.h"' provides simple error reporting facilities - I use it everywhere. Source code on request - see my profile page to contact me.
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module unsafe for SAFESEH image C++
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It can also be caused by, as the error states, modules for which the linker can't find safe exception handlers. Assembly language modules in particular - as discussed in other answers. There is some info about this here.
– Nick Westgate...
Prevent redirection of Xmlhttprequest
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The new Fetch API supports different modes of redirect handling: follow, error, and manual, but I can't find a way to view the new URL or the status code when the redirection has been canceled. You just can stop the redirection itself, and then it looks like an error (empty response). If that's al...
How to count occurrences of a column value efficiently in SQL?
... select should be on C.cnt because there is no S.cnt, otherwise you get an error: Invalid column name 'cnt'
– KM.
Oct 1 '09 at 14:00
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Using python “with” statement with try-except block
... try:
line = f.readline()
finally:
f.close()
except IOError:
<whatever>
As you can see, the with statement can make things less error prone. In newer versions of Python (2.7, 3.1), you can also combine multiple expressions in one with statement. For example:
with op...
Python syntax for “if a or b or c but not all of them”
...'x', 'y', 'z'])
args = parser.parse_args()
if len(args.abc) != 3:
parser.error('expected 3 arguments')
print(args.abc)
Here are some usage examples:
# default case
wim@wim-zenbook:/tmp$ ./three_or_none.py
['x', 'y', 'z']
# explicit case
wim@wim-zenbook:/tmp$ ./three_or_none.py 1 2 3
['1', '2'...