大约有 31,840 项符合查询结果(耗时:0.0331秒) [XML]

https://stackoverflow.com/ques... 

How to speed up insertion performance in PostgreSQL

I am testing Postgres insertion performance. I have a table with one column with number as its data type. There is an index on it as well. I filled the database up using this query: ...
https://stackoverflow.com/ques... 

javax vs java package

...: While an official explanation (the search orbfish suggested didn't yield one in the first page or so) is no doubt about "core" vs "extension", I still suspect that in many cases the decision for any particular package has an historical reason behind it too. Is java.beans really that "core" to Java...
https://stackoverflow.com/ques... 

GIT repository layout for server with multiple projects

One of the things I like about the way I have Subversion set up is that I can have a single main repository with multiple projects. When I want to work on a project I can check out just that project. Like this ...
https://stackoverflow.com/ques... 

Auto detect mobile browser (via user-agent?) [closed]

... suits your case), like RewriteEngine On RewriteCond %{HTTP_USER_AGENT} (OneMobileUserAgent|AnotherMobileUserAgent|...) RewriteRule (.*) mobile/$1 which would move, for example, requests to http://domain/index.html to http://domain/mobile/index.html If you don't like the approach of having a s...
https://stackoverflow.com/ques... 

Code for a simple JavaScript countdown timer?

... Spot on, as you said that's the one and only way to do it right! – mcella Oct 23 '14 at 14:42 3 ...
https://stackoverflow.com/ques... 

Why are dashes preferred for CSS selectors / HTML attributes?

...m the DOM anyway, which makes the whole dot notation rather useless. Which one would you prefer? var firstName = $('#first-name'); var firstName = document.querySelector('#first-name'); var firstName = document.forms[0].first_name; I find the two first options much more preferable, especially sin...
https://stackoverflow.com/ques... 

Get month name from Date

... Not an ideal solution if one has to include month names for each language supported. There's got to be a better way using String#split with toString or toDateString. – Ryan Oct 31 '11 at 19:18 ...
https://stackoverflow.com/ques... 

Explain ExtJS 4 event handling

... default. For widgets there are two ways of assigning handlers. The first one - is to use on method (or addListener). Let's for example create Button widget and assign click event to it. First of all you should check event's docs for handler's arguments: click( Ext.button.Button this, Event e, ...
https://stackoverflow.com/ques... 

MySql Table Insert if not exist otherwise update

...ERT ... ON DUPLICATE KEY UPDATE on tables against a table having more than one unique or primary key. Taken from MySQL documentation: In addition, beginning with MySQL 5.5.24, an INSERT ... ON DUPLICATE KEY UPDATE statement against a table having more than one unique or primary key is also marked a...
https://stackoverflow.com/ques... 

Should struct definitions go in .h or .c file?

... of struct s in headers and just declarations—is there any advantage to one method over the other? 6 Answers ...