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Get original URL referer with PHP?
I am using $_SERVER['HTTP_REFERER']; to get the referer Url. It works as expected until the user clicks another page and the referer changes to the last page.
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How many concurrent AJAX (XmlHttpRequest) requests are allowed in popular browsers?
...urrent requests in the registry. Here's how to set it to four each.
[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"MaxConnectionsPerServer"=dword:00000004
"MaxConnectionsPer1_0Server"=dword:00000004
...
What does enumerate() mean?
What does for row_number, row in enumerate(cursor): do in Python?
5 Answers
5
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phpcms v9类别调用方法 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...前面加一句把类别缓存加载进来：
<?php $TYPE = getcache('type_content','commons');?>
然后在循环里写：
<a href="index.php?m=content&c=type&catid={$catid}&typeid={$r[typeid]}">{$TYPE[$r[typeid]][name]}</a>
这样就可以调用出来类别了，不过链接暂时无效，因...
How do I join two lines in vi?
...ou join lines as is -- without adding or removing whitespaces:
S<Switch_ID>_F<File type>
_ID<ID number>_T<date+time>_O<Original File name>.DAT
Result:
S<Switch_ID>_F<File type>_ID<ID number>_T<date+time>_O<Original File name>.DAT
With...
Synchronous request in Node.js
...and pass to the next
endpoints =
[{ host: 'www.example.com', path: '/api_1.php' },
{ host: 'www.example.com', path: '/api_2.php' },
{ host: 'www.example.com', path: '/api_3.php' }];
async.mapSeries(endpoints, http.get, function(results){
// Array of results
});
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How to lock orientation during runtime
...
setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
Called on an activity, will lock it to landscape. Look for the other flags in the ActivityInfo class. You can lock it back to portrait or make it sensor/slider driven.
More info here: http://www....
Scala: List[Future] to Future[List] disregarding failed futures
...
def futureToFutureTry[T](f: Future[T]): Future[Try[T]] =
f.map(Success(_)).recover { case x => Failure(x)}
val listOfFutures = ...
val listOfFutureTrys = listOfFutures.map(futureToFutureTry(_))
Then use Future.sequence as before, to give you a Future[List[Try[T]]]
val futureListOfTrys = F...
Copy constructor for a class with unique_ptr
How do I implement a copy constructor for a class that has a unique_ptr member variable? I am only considering C++11.
6 A...
Delete column from SQLite table
...trate how this could be done:
BEGIN TRANSACTION;
CREATE TEMPORARY TABLE t1_backup(a,b);
INSERT INTO t1_backup SELECT a,b FROM t1;
DROP TABLE t1;
CREATE TABLE t1(a,b);
INSERT INTO t1 SELECT a,b FROM t1_backup;
DROP TABLE t1_backup;
COMMIT;
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