大约有 47,000 项符合查询结果（耗时：0.0679秒） [XML]
Why are C# 3.0 object initializer constructor parentheses optional?
It seems that the C# 3.0 object initializer syntax allows one to exclude the open/close pair of parentheses in the constructor when there is a parameterless constructor existing. Example:
...
How to convert a ruby hash object to JSON?
..., though).
So, take a look here:
car = {:make => "bmw", :year => "2003"}
# => {:make=>"bmw", :year=>"2003"}
car.to_json
# NoMethodError: undefined method `to_json' for {:make=>"bmw", :year=>"2003"}:Hash
# from (irb):11
# from /usr/bin/irb:12:in `<main>'
require 'json...
How to sync with a remote Git repository?
...
answered Nov 30 '10 at 11:20
Šimon TóthŠimon Tóth
32.5k1818 gold badges9191 silver badges130130 bronze badges
...
What's the difference between := and = in Makefile?
...
answered Feb 2 '11 at 20:40
Greg HewgillGreg Hewgill
783k167167 gold badges10841084 silver badges12221222 bronze badges
...
What are the differences between segment trees, interval trees, binary indexed trees and range trees
... |
edited Jul 7 '13 at 20:14
answered Jul 6 '13 at 15:49
...
Difference between git checkout --track origin/branch and git checkout -b branch origin/branch
...d need git checkout -B abranch origin/abranch)
Note: with Git 2.23 (Q3 2019), that would use the new command git switch:
git switch -c <branch> --track <remote>/<branch>
If the branch exists in multiple remotes and one of them is named by the checkout.defaultRemote configu...
Conditionally Remove Dataframe Rows with R [duplicate]
...
Logic index:
d<-d[!(d$A=="B" & d$E==0),]
share
|
improve this answer
|
follow
|
...
redis-py : What's the difference between StrictRedis() and Redis()?
...ou need backwards compatibility? Use Redis. Don't care? Use StrictRedis.
2017-03-31
Here are the specifics of the backwards compatibility, from the github.com link cited:
In addition to the changes above, the Redis class, a subclass of StrictRedis, overrides several other commands to provide backw...
Android Shared preferences for creating one time activity (example) [closed]
...No name defined" is the default value.
int idName = prefs.getInt("idName", 0); //0 is the default value.
more info:
Using Shared Preferences
Shared Preferences
share
|
improve this answer
...
Prevent line-break of span element
...
+150
Put this in your CSS:
white-space:nowrap;
Get more information here: http://www.w3.org/wiki/CSS/Properties/white-space
white-space...