大约有 39,227 项符合查询结果（耗时：0.0429秒） [XML]
What is the difference between Nexus and Maven?
...
|
edited May 11 '18 at 21:28
Michael Mrozek
141k2424 gold badges151151 silver badges159159 bronze badges
...
What does “not run” mean in R help pages?
...
rcsrcs
58.7k1818 gold badges161161 silver badges144144 bronze badges
3
...
Float vs Decimal in ActiveRecord
...u do this:
irb:001:0> "%.47f" % (1.0/10)
=> "0.10000000000000000555111512312578270211815834045" # not "0.1"!
whereas if you just do
irb:002:0> (1.0/10).to_s
=> "0.1" # the interprer rounds the number for you
So if you are dealing with small fractions, like compounding interests, o...
Return 0 if field is null in MySQL
...
answered Dec 3 '14 at 11:49
ackuserackuser
4,02055 gold badges3030 silver badges4141 bronze badges
...
Is it a good idea to index datetime field in mysql?
... me before
– Gaz_Edge
Jan 31 '14 at 11:16
1
But if you query the data with date range, such as da...
@ character before a function call
...
solidgumbysolidgumby
2,23411 gold badge1414 silver badges66 bronze badges
...
Reading an image file into bitmap from sdcard, why am I getting a NullPointerException?
...
Priyank DesaiPriyank Desai
2,97411 gold badge2222 silver badges1717 bronze badges
add a comme...
Check a collection size with JSTL
...
MartlarkMartlark
11.5k1212 gold badges6868 silver badges8787 bronze badges
...
Hex representation of a color with alpha channel?
...x in Opera 52 (or Opera 39 when experimental web features are enabled).
IE 11 and EdgeHTML 18 (Edge 44) do not support this syntax. Chromium-based versions of Edge will support this syntax.
Up to date browser support information is available on CanIUse.com
*Technically still in draft, but given t...
How do you remove the root CA certificate that fiddler installs
...
Eyal AbirEyal Abir
1,02288 silver badges1111 bronze badges
1
...