大约有 18,000 项符合查询结果（耗时：0.0338秒） [XML]
Merge, update, and pull Git branches without using checkouts
...
83
No, there is not. A checkout of the target branch is necessary to allow you to resolve conflict...
Why '&&' and not '&'?
...
183
In most cases, && and || are preferred over & and | because the former are short-ci...
Singleton: How should it be used
...
183
Answer:
Use a Singleton if:
You need to have one and only one object of a type in system
Do n...
What is the difference between Serializable and Externalizable in Java?
...2
UriUri
83.1k4646 gold badges211211 silver badges309309 bronze badges
...
Set the location in iPhone Simulator
...
Ben GottliebBen Gottlieb
83.9k2222 gold badges171171 silver badges170170 bronze badges
...
Why Choose Struct Over Class?
...dule-optimization:
class version took 2.159942142s
struct version took 5.83E-08s (37,000,000 times faster)
Note: as someone mentioned that in real-world scenarios, there will be likely more than 1 field in a struct, I have added tests for structs/classes with 10 fields instead of 1. Surprisingly...
Multiple working directories with Git?
...y making the borrowee and borrowers aware of each other.
See commit 799767cc9 (Git 2.5rc2)
That means you now can do a git worktree add <path> [<branch>]
Create <path> and checkout <branch> into it. The new working directory
is linked to the current repository, sharing ever...
How do you fix a bad merge, and replay your good commits onto a fixed merge?
...ge
git checkout -b tmpfix <sha1-of-merge>
# remove the incorrectly added file
git rm somefile.orig
# commit the amended merge
git commit --amend
# go back to the master branch
git checkout master
# replant the master branch onto the corrected merge
git rebase tmpfix
# delete the temporary...
What are the main performance differences between varchar and nvarchar SQL Server data types?
...
83
What about index size, memory usage etc? I assume you always use int when you could use tinyint too "just in case"?
–...
What is a higher kinded type in Scala?
...
83
The kind of ordinary types like Int and Char, whose instances are values, is *. The kind of una...