大约有 42,000 项符合查询结果（耗时：0.0325秒） [XML]
How do I add options to a DropDownList using jQuery?
...-------------------------------
DocumentFragment is good option for speed enhancement, but we cannot create option element using document.createElement('option') since IE6 and IE7 are not supporting it.
What we can do is, create a new select element and then append all options. Once loop is finish...
Xcode “The private key for is not installed on this mac - distributing”
...
Having a similar problem, after several days of testing, checking, try to repairing and so on, what worked for me was simply:
Open Xcode's preferences (Accounts panel)
Click on "Manage Certificates".
Add a new certificate.
Then everything started working again.
...
Really killing a process in Windows
...a parent. In my case, resolved by using the Windows 8.1 Settings Advanced Repair System path, but canceling from actually wiping any disk, and just doing a full forced reboot. The regular shutdown and reboot is really sleep/hibernation (to save time on startup). Non-trivial getting it to do a full...
Resetting generator object in Python
...bably use send() to accomplish your goal. See PEP-0342 for more details on enhanced generators and yield expressions.
UPDATE: Also see itertools.tee(). It involves some of that memory vs. processing tradeoff mentioned above, but it might save some memory over just storing the generator results in a...
How do I unlock a SQLite database?
...lite old.db | sqlite new.db
Taken from: http://random.kakaopor.hu/how-to-repair-an-sqlite-database
share
|
improve this answer
|
follow
|
...
Access denied for user 'root@localhost' (using password:NO)
... follow
|
edited Jun 8 '10 at 7:32
answered Jun 8 '10 at 5:54
...
搭建高可用mongodb集群（二）—— 副本集 - 大数据 & AI - 清泛网 - 专注C/...
...est/replset/data
#进入mongodb文件夹
cd /data/mongodbtest
3、下载mongodb的安装程序包
wget http://fastdl.mongodb.org/linux/mongodb-linux-x86_64-2.4.8.tgz
注意linux生产环境不能安装32位的mongodb，因为32位受限于操作系统最大2G的文件限制。
...
Use cases for the 'setdefault' dict method
...better alternative is to use functools.lru_cache decorator if you consider enhancing a function with memoization. lru_cache handles the caching requirements for a recursive function better.
share
|
...
Array.push() if does not exist?
...t as part of the prototype (I guess that's aka Class Extension), so no big enhancement below.
Except I'm not sure if indexOf is a faster route then inArray? probably.
Array.prototype.pushUnique = function (item){
if(this.indexOf(item) == -1) {
//if(jQuery.inArray(item, this) == -1) {
...
“Single-page” JS websites and SEO
...cript work with the HTML that is rendered by the server - true progressive enhancement; taking the semantic markup that got delivered and enhancing it with JavaScript.
For example, i'm building an image gallery application with pushState. If you request /images/1 from the server, it will render the...