大约有 47,000 项符合查询结果（耗时：0.0907秒） [XML]
Default constructor vs. inline field initialization
... ...
}
}
Study case 2
We will modify the original Car class.
Now,Car declare 5 fields and 3 constructors that have no relation between them.
1.Using constructor to value fields with default values is undesirable
public class Car {
private String name;
private String origin; ...
psql: FATAL: Peer authentication failed for user “dev”
... cipher: ECDHE-RSA-AES256-GCM-SHA384, bits: 256, compression: off) You are now connected to database "glossary" as user "john" on host "localhost" at port "5432". it worked.
– look
Dec 4 '16 at 2:26
...
Extracting .jar file with command line
...
Thanks, everything is fine now!
– Bobby C
Dec 11 '11 at 2:31
2
...
What characters are forbidden in Windows and Linux directory names?
I know that / is illegal in Linux, and the following are illegal in Windows
(I think) * . " / \ [ ] : ; | ,
...
Could not reliably determine the server's fully qualified domain name
...this broke apache until I set ServerName localhost in the global context. Now the vhost is working again and the SSL cert is being served properly.
– AaronM
Oct 12 '15 at 16:07
...
String concatenation vs. string substitution in Python
... large boosts in performance..."
If performance matters, this is good to know.
However, performance problems I've seen have never come down to string operations. I've generally gotten in trouble with I/O, sorting and O(n2) operations being the bottlenecks.
Until string operations are the perfor...
Why Choose Struct Over Class?
...ruct version took 0.010532942s (900 times faster)
OLD RESULTS (from unknown time)
(Ran on struct/class with 1 field, not 10)
With release build on my MacBook Pro:
The class version took 1.10082 sec
The struct version took 0.02324 sec (50 times faster)
...
Why do x86-64 instructions on 32-bit registers zero the upper part of the full 64-bit register?
...endency madness is one of the reasons that 16-bit instructions are avoided now. x86-64 inherited this from 8086 for 8-bit and 386 for 16-bit, and decided to have 8 and 16-bit registers work the same way in 64-bit mode as they do in 32-bit mode.
See also Why doesn't GCC use partial registers? for...
When should I use double instead of decimal?
..., try reading the oft-quoted article What Every Computer Scientist Should Know About Floating-Point Arithmetic.
share
|
improve this answer
|
follow
|
...
Warning: push.default is unset; its implicit value is changing in Git 2.0
I've been using Git for a while now and have recently downloaded an update only to find this warning message come up when I try to push .
...