大约有 16,000 项符合查询结果(耗时:0.0480秒) [XML]
Difference between solr and lucene
...work.
Examples are Solr, Elastic Search, LinkedIn (yes, under the hood), etc..
Check out this article: Lucene vs Solr
UPDATE (6/18/14)
When to use Lucene?
You are a search engineer AND
You are a programmer AND
You want full control over almost all the internals of Lucene AND
Your requirements...
MySQL Database won't start in XAMPP Manager-osx
...mputername>.local.pid)
My Solution:
In /Applications/XAMPP/xamppfiles/etc/my.cnf change user = <uid> s that <uid> is uid from id command.
$ id
uid=...
$ vim /Applications/XAMPP/xamppfiles/etc/my.cnf
...
s...
Why is String immutable in Java?
...ring in network connections, database connection urls, usernames/passwords etc. If it were mutable, these parameters could be easily changed.
Synchronization and concurrency: making String immutable automatically makes them thread safe thereby solving the synchronization issues.
Caching: when compi...
Can I “multiply” a string (in C#)?
... the scenes, then mutates it. It doesn't work like a regular List<T> etc.
– Marc Gravell♦
Feb 10 '09 at 16:05
1
...
How do I check whether a file exists without exceptions?
... exists(). Here is some simple REPL output:
>>> os.path.isfile("/etc/password.txt")
True
>>> os.path.isfile("/etc")
False
>>> os.path.isfile("/does/not/exist")
False
>>> os.path.exists("/etc/password.txt")
True
>>> os.path.exists("/etc")
True
>>>...
Query EC2 tags from within instance
...NCE_ID" --output=text | sed -r 's/TAGS\t(.*)\t.*\t.*\t(.*)/\1="\2"/' > /etc/ec2-tags
You need the AWS CLI tools installed on your system: you can either install them with a packages section in a cloud-config file before the script, use an AMI that already includes them, or add an apt or yum com...
Is PowerShell ready to replace my Cygwin shell on Windows? [closed]
...n PowerShell, or just stick with Cygwin /Perl scripts/Unix shell scripts, etc.
18 Answers
...
How to edit multi-gigabyte text files? Vim doesn't work =( [closed]
...ndle large files pretty well. I just edited a 3.4GB file, deleting lines, etc. Three things to keep in mind:
Press Ctrl-C: Vim tries to read in the whole file initially, to do things like syntax highlighting and number of lines in file, etc. Ctrl-C will cancel this enumeration (and the syntax ...
Finding current executable's path without /proc/self/exe
... SunOS, Solaris, SYSV, HPUX, Concentrix, SCO, Darwin, AIX, OS X, Nextstep, etc. And with a little modification probably VMS, VM/CMS, DOS/Windows, ReactOS, OS/2, etc. If a program was launched directly from a GUI environment, it should have set argv[0] to an absolute path.
Understand that almos...
Are the PUT, DELETE, HEAD, etc methods available in most web browsers?
I've seen a couple questions around here like How to debug RESTful services , which mentions:
7 Answers
...