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FreeBSD 6.2用freebsd-update升級過程_Unix/BSD_操作系統(tǒng)_腳本之家
Looking up update.FreeBSD.org mirrors... 1 mirrors found. Fetching public key from update1.FreeBSD.org... done. Fetching metadata signature from update1.FreeBSD.org... done. Fetching metadata index...done. 即可完成freebsd的bianary升級。 那為什么用uname看不出來呢?是因?yàn)閡name反映的是內(nèi)核級別...
www.dbjr.com.cn/os/Unix/15...html 2025-5-15
curl_setopt
例子1. Initializing a new CURL session and fetching a webpage <?php// create a new CURL resource$ch = curl_init();// set URL and other appropriate optionscurl_setopt($ch, CURLOPT_URL, "http://www.example.com/");curl_setopt($ch, CURLOPT_HEADER, false);// grab URL and pass it...
www.dbjr.com.cn/shouce/php5/zh/function... 2025-5-28
PHP采集類snoopy詳細(xì)介紹(snoopy使用教程)_php實(shí)例_腳本之家
echo "error fetching document: ".$snoopy->error."\n"; 獲取指定url內(nèi)容 復(fù)制代碼代碼如下: <?php $url = "http://www.dbjr.com.cn"; include("snoopy.php"); $snoopy = new Snoopy; $snoopy->fetch($url); //獲取所有內(nèi)容 echo $snoopy->results; //顯示結(jié)果 //可選以下 $snoopy->fetchtext //...
www.dbjr.com.cn/article/512...htm 2025-5-18
asp.net中讓Repeater和GridView支持DataPager分頁_實(shí)用技巧_腳本之家
/// Total rows. When PagingInDataSource is set to true you must get the total records from the datasource (without paging) at the FetchingData event /// When PagingInDataSource is set to true you also need to set this when you load the data the first time. ...
www.dbjr.com.cn/article/297...htm 2025-5-19
iOS開發(fā)———詳解適配iOS10問題_IOS_腳本之家
UICollectionView cell pre-fetching預(yù)加載機(jī)制 UICollectionView and UITableView prefetchDataSource 新增的API 針對self-sizing cells 的改進(jìn) Interactive reordering 在iOS 10 之前,UICollectionView上面如果有大量cell,當(dāng)用戶活動很快的時(shí)候,整個(gè)UICollectionView的卡頓會很明顯,為什么會造成這樣的問題,這里涉及到了iOS 系統(tǒng)...
www.dbjr.com.cn/article/1002...htm 2025-5-31
MySQL數(shù)據(jù)庫21條最佳性能優(yōu)化經(jīng)驗(yàn)_Mysql_腳本之家
“mysql_unbuffered_query() sends the SQL query query to MySQL without automatically fetching and buffering the result rows as mysql_query() does. This saves a considerable amount of memory with SQL queries that produce large result sets, and you can start working on the result set immediately ...
www.dbjr.com.cn/article/950...htm 2025-5-19
PDO Functions
This may improve the performance of your application but restricts your PDOStatement object to fetching one row at a time from the result set in a forward direction. PDO_CURSOR_SCROLL (integer) Create a PDOStatement object with a scrollable cursor. Pass the PDO_FETCH_ORI_* constants to ...
www.dbjr.com.cn/shouce/php5/zh/ref.p... 2025-6-8
perl操作MongoDB報(bào)錯(cuò)undefined symbol: HeUTF8解決方法_perl_腳本之...
因?yàn)閟hell操作mongo比較麻煩,只好嘗試使用perl操作mongo,perl需要操作mongodb必須先安裝相應(yīng)的驅(qū)動,大部分人使用cpan安裝,個(gè)人覺得太麻煩,使用cpanm安裝perl模塊。 復(fù)制代碼代碼如下: # cpanm MongoDB --> Working on MongoDB Fetching http://www.cpan.org/authors/id/F/FR/FRIEDO/MongoDB-0.702.1.tar.gz ... ...
www.dbjr.com.cn/article/562...htm 2025-6-5