大约有 44,000 项符合查询结果（耗时：0.0642秒） [XML]
Difference between solr and lucene
...with HTTP API instead of Java API, Solr is for you. Solr has also got some extra features on top (e.g. grouping).
share
|
improve this answer
|
follow
|
...
How can I view live MySQL queries?
...bly considerably slow down everything on the server though, with adding an extra INSERT on top of every single query.
Edit: another alternative is the General Query Log, but having it written to a flat file would remove a lot of possibilities for flexibility of displaying, especially in real-time...
Installing Java 7 on Ubuntu
...
this is the simplest solution, and doesn't involve adding extra repos.
– steve cook
May 18 '14 at 4:58
2
...
Split array into chunks
...
The array.slice method can extract a slice from the beginning, middle, or end of an array for whatever purposes you require, without changing the original array.
var i,j,temparray,chunk = 10;
for (i=0,j=array.length; i<j; i+=chunk) {
temparray ...
Should you always favor xrange() over range()?
...ter, and a bit more memory efficient. But the gain is not very large.
The extra memory used by a list is of course not just wasted, lists have more functionality (slice, repeat, insert, ...). Exact differences can be found in the documentation. There is no bonehard rule, use what is needed.
Python...
What is the difference between -viewWillAppear: and -viewDidAppear:?
...ke a long time to execute, like for example doing a webservice call to get extra data for the form above.The good thing is that because the view already exists and is being displayed to the user, you can show a nice "Waiting" message to the user while you get the data.
...
Java compile speed vs Scala compile speed
... files. Depending on the size of your classpath this can take one to three extra seconds.
Overall, expect a startup overhead of scalac of 4-8 seconds, longer if you run it the first time so disk-caches are not filled.
Scala's answer to startup overhead is to either use fsc or to do continuous bui...
How to intercept all AJAX requests made by different JS libraries
... for other reasons.
And, the only performance impact is really only one extra function call for each .open() plus whatever code you execute yourself which is probably immaterial when a networking call is involved.
In IE, this won't catch any code that tries to use the ActiveXObject control met...
Asynchronous Requests with Python requests
...and then asking a loop to execute those tasks and exit upon completion. No extra libraries subject to lack of maintenance, no lack of functionality required.
share
|
improve this answer
|
...
Variable declaration placement in C
...ation and initialization of a C++ local object then you pay the cost of an extra constructor for nothing. If the no-arg constructor does not exist then again you are not even allowed to separate both!
C99 starts to move C in this same direction.
If you are worried of not finding where local varia...