大约有 44,000 项符合查询结果（耗时：0.0445秒） [XML]
Show pending migrations in rails
...
There is rake db:abort_if_pending_migrations (at least in Rails 2.3.3, not sure when it was introduced). The description says 'Raises an error if there are pending migrations'. This seems to be used more as a prerequisite for other tasks, but I'm guessing you could use it f...
SQL - Rounding off to 2 decimal places
...
At least on DB2, this does not round the result.
– not2savvy
Aug 5 at 15:54
add a comment
...
Why always ./configure; make; make install; as 3 separate steps?
... a plain configure, which is not usually the case for packaging, where, at least, --prefix=/usr is desired. And pacakgers are like to have to deal with fake-roots when doing the make install part. Since there are lots of exceptions, making ./configure && make && make install the rule...
What is the difference between “#!/usr/bin/env bash” and “#!/usr/bin/bash”?
...
At least you have to know where env is :).
– ᐅdevrimbaris
Mar 22 '16 at 8:50
1
...
Regex - Should hyphens be escaped? [duplicate]
...t people. That's not to say it's the right way to do things, but there's a least an argument that could be made for that position.
– Shiania White
Jun 1 '18 at 18:37
...
Nearest neighbors in high-dimensional data?
...rior knowledge of the distribution(s) from which your data was sampled, at least one (well documented and thorough) study concludes that Euclidean distance is the best choice.
YEuclidean metric used in mega-scale Web Recommendation Engines as well as in current academic research. Distances calculat...
Objective-C formatting string for boolean?
...y x?@"YES":@"NO" code with x?@"Cake":@"No Cake" immediately :D -- well, at least for my object descriptions anyway ;)
– Jason Coco
Apr 8 '10 at 23:26
8
...
Which is more preferable to use: lambda functions or nested functions ('def')?
...he hadn't let 'lambda' into Python:
"Q. What feature of Python are you least pleased with?
Sometimes I've been too quick in accepting contributions, and later realized that it was a mistake. One example would be some of the functional programming features, such as lambda functions. lambda is a...
How do I adjust the anchor point of a CALayer, when Auto Layout is being used?
...IT: Warning: The entire ensuing discussion will be possibly outmoded or at least heavily mitigated by iOS 8, which may no longer make the mistake of triggering layout at the time that a view transform is applied.]
Autolayout vs. View Transforms
Autolayout does not play at all well with view transf...
How to get the python.exe location programmatically? [duplicate]
..."programmatically" I think means from within the python interpretter. At least, that's what it meant for me when I can searching for this answer :)
– GreenAsJade
Oct 6 '13 at 3:06
...