大约有 44,000 项符合查询结果（耗时：0.0714秒） [XML]
Which commit has this blob?
... and sweet, but slow:
#!/bin/sh
obj_name="$1"
shift
git log "$@" --pretty=format:'%T %h %s' \
| while read tree commit subject ; do
if git ls-tree -r $tree | grep -q "$obj_name" ; then
echo $commit "$subject"
fi
done
And an optimised version in Perl, still quite short but much fas...
What is the most efficient way to create a dictionary of two pandas Dataframe columns?
... @WouterOvermeire this works in my application perfectly, thank you for your contribution
– user1083734
Jul 2 '13 at 14:35
3
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Refresh image with a new one at the same url
...y when you are creating the image, and it will make the browser look again for the image instead of retrieving the one in the cache.
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Find MongoDB records where array field is not empty
... that index is utilized during the query, you will get unexpected results. For example: db.doc.find({'nums': { $gt: [] }}).hint({ _id: 1 }).count() returns the right number, while db.doc.find({'nums': { $gt: [] }}).hint({ nums: 1 }).count() returns 0.
– wojcikstefan
...
Is there an equivalent to CTRL+C in IPython Notebook in Firefox to break cells that are running?
...
Unfortunately it seems that the browser can become so unresponsive, that it is hard to reach the server page.
– K.-Michael Aye
Dec 15 '14 at 1:56
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What is the difference between Unidirectional and Bidirectional JPA and Hibernate associations?
... directions.
Note that navigational access is not always good, especially for "one-to-very-many" and "many-to-very-many" relationships. Imagine a Group that contains thousands of Users:
How would you access them? With so many Users, you usually need to apply some filtering and/or pagination, so t...
Does order of where clauses matter in SQL?
... strategies.
What does matter is whether or not you have a suitable index for this!
In the case of SQL Server, it will likely use an index if you have:
an index on (LastName, FirstName)
an index on (FirstName, LastName)
an index on just (LastName), or just (FirstName) (or both)
On the other ha...
How to delete images from a private docker registry?
...
Currently you cannot use the Registry API for that task. It only allows you to delete a repository or a specific tag.
In general, deleting a repository means, that all the tags associated to this repo are deleted.
Deleting a tag means, that the association between ...
Is there a quicker / better way to clear the iPhone Simulator cache than deleting its directory?
...e all
Safe and effective.
See https://stackoverflow.com/a/26394597/218152 for single device
xcrun simctl erase [device ID]
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What are Maven goals and phases and what is their difference?
...hich phases by default. The compile phase goals will always be executed before the test phase goals which will always be executed before the package phase goals and so on.
Part of the confusion is exacerbated by the fact that when you execute maven you can specify a goal or a phase. If you specif...