大约有 11,643 项符合查询结果（耗时：0.0228秒） [XML]
MySQL indexes - what are the best practices?
...index all columns, no columns, which indexes should span multiple columns, etc. It depends on the queries you need to run.
Yes, there is some overhead so you shouldn't create indexes needlessly. But you should create the indexes that give benefit to the queries you need to run quickly. The overh...
How to copy an object in Objective-C
...lways, it's not what you want. Objects have internal state, other objects, etc, and often make assumptions that they're the only ones holding references to that data. Bitwise copies break this assumption.
A deep, logical copy. In this, we make a copy of the object, but without actually doing it bit ...
Git: Find the most recent common ancestor of two branches
...
@ADTC Use a graphical commit viewer, e.g. gitk, etc. to see what the tree looks like. Maybe you will get your answer.
– Acumenus
Oct 21 '17 at 3:19
...
What are JavaScript's builtin strings?
...g code golf and have been making it shorter, replacing parts with more 1s, etc.
share
|
improve this answer
|
follow
|
...
Generic Repository With EF 4.1 what is the point
...ic" and my repositories have the standard CRUD operations (update, delete, etc). I have long since moved to Entity Framework. Upon doing so, I did not need to change anything in my ViewModel classes or beyond because they pointed to my repository--I only needed to change the inside of my repository....
How can I see all the issues I'm watching on Github?
.../3",
"repository_url": "https://api.github.com/repos/owner1/repoA",
...etc...
Or use this command to format the output as a list of links to the issues:
curl --user "MyUserName" https://api.github.com/issues?filter=subscribed | \
grep '"url"' | grep -o 'https://api.github.com/repos/.*/iss...
Why can't C++ be parsed with a LR(1) parser?
...a parser
that does this isn't context free, and LR parsers
(the pure ones, etc.) are (at best) context free.
One can cheat, and add per-rule reduction-time semantic checks in the
to LR parsers to do this disambiguation. (This code often isn't simple). Most of the other parser types
have some me...
What does “Mass Assignment” mean in Laravel?
...o keep the answer short without hijacking it as a whole lesson on security etc
– duellsy
Jul 28 '14 at 22:17
3
...
How to exclude a directory in find . command
...since -deletewill first delete the leaves, then the parents of the leaves, etc... But for specifying -prune to make sense, find needs to hit a directory and stop descending it, which clearly makes no sense with -depth or -delete on.
Performance
I set up a simple test of the three top upvoted ans...
Is the 'override' keyword just a check for a overridden virtual method?
...es, only irregularities like missing const or writing char instead of int, etc.
– legends2k
Oct 20 '13 at 13:07
1
...