大约有 45,778 项符合查询结果（耗时：0.0323秒） [XML]
How to establish a connection pool in JDBC?
...hat I've mentioned in this previous answer), I just had too much problems with DBCP under heavy load. Using C3P0 is dead simple. From the documentation:
ComboPooledDataSource cpds = new ComboPooledDataSource();
cpds.setDriverClass( "org.postgresql.Driver" ); //loads the jdbc driver
cpds.setJdbcUrl(...
An error occurred while validating. HRESULT = '8000000A'
...ile when using devenv on an automatic build. I have gone through every website I can find, and the usual answers mention refreshing dependencies (Which I believe fixes it for manual deployment, but not for automatic) and removing the source control coding from the projects, which hasn't helped me.
...
How to host google web fonts on my own server?
...ients may or may not have internet connection. Reading the license terms, it appears that its legally allowed.
18 Answers
...
Good tutorials on XMPP? [closed]
I've been looking at some open-source XMPP servers, and am familiar with the official page http://xmpp.org/ . But thus far I've not found anything in between " The Extensible Messaging and Presence Protocol (XMPP) is an open technology for real-time communication " and a list of XEP specifications....
sizeof single struct member in C
...
Although defining the buffer size with a #define is one idiomatic way to do it, another would be to use a macro like this:
#define member_size(type, member) sizeof(((type *)0)->member)
and use it like this:
typedef struct
{
float calc;
char text...
Should unit tests be written for getter and setters?
Are we supposed to write tests for our getters and setters or is it overkill?
13 Answers
...
How do I declare a namespace in JavaScript?
...te a namespace in JavaScript so that my objects and functions aren't overwritten by other same-named objects and functions? I've used the following:
...
How can I do an asc and desc sort using underscore.js?
...
You can use .sortBy, it will always return an ascending list:
_.sortBy([2, 3, 1], function(num) {
return num;
}); // [1, 2, 3]
But you can use the .reverse method to get it descending:
var array = _.sortBy([2, 3, 1], function(num) {
r...
How Do I Choose Between a Hash Table and a Trie (Prefix Tree)?
...ould lead me to choose one over the other. From my own naive point of view it seems as though using a trie has some extra overhead since it isn't stored as an array but that in terms of run time (assuming the longest key is the longest english word) it can be essentially O(1) (in relation to the upp...
Does HTTP use UDP?
...
Typically, no.
Streaming is seldom used over HTTP itself, and HTTP is seldom run over UDP. See, however, RTP.
For something as your example (in the comment), you're not showing a protocol for the resource. If that protocol were to be HTTP, then I wouldn't call the access "s...