大约有 13,700 项符合查询结果(耗时:0.0456秒) [XML]

https://stackoverflow.com/ques... 

Detect when browser receives file download

...the cookie to be exposed to JavaScript. $this->setCookieToken( $TOKEN, $_GET[ $TOKEN ], false ); $result = $this->sendFile(); Where: public function setCookieToken( $cookieName, $cookieValue, $httpOnly = true, $secure = false ) { // See: http://stackoverflow.com/a/1459794/59087 ...
https://stackoverflow.com/ques... 

How to check if an email address exists without sending an email?

... C:\>telnet STACKOVERFLOW.COM.S9A1.PSMTP.com 25 220 Postini ESMTP 213 y6_35_0c4 ready. CA Business and Professions Code Section 17538.45 forbids use of this system for unsolicited electronic mail advertisements. helo hi 250 Postini says hello back mail from: <me@myhost.com> 250 Ok rcpt ...
https://stackoverflow.com/ques... 

What are naming conventions for MongoDB?

...tation mentions you may use underscores, also built-in identifier is named _id (but this may be be to indicate that _id is intended to be private, internal, never displayed or edited. share | impro...
https://stackoverflow.com/ques... 

Best way to merge two maps and sum the values of same key?

...leads to arguably the shortest/cleanest solution: scala> import scalaz._ import scalaz._ scala> import Scalaz._ import Scalaz._ scala> val map1 = Map(1 -> 9 , 2 -> 20) map1: scala.collection.immutable.Map[Int,Int] = Map(1 -> 9, 2 -> 20) scala> val map2 = Map(1 -> 100, ...
https://stackoverflow.com/ques... 

How to set java_home on Windows 7?

..., one for user variables and one for system variables. Both were named JAVA_HOME and both pointing to 18 Answers ...
https://stackoverflow.com/ques... 

SQL- Ignore case while searching for a string

... Use something like this - SELECT DISTINCT COL_NAME FROM myTable WHERE UPPER(COL_NAME) LIKE UPPER('%PriceOrder%') or SELECT DISTINCT COL_NAME FROM myTable WHERE LOWER(COL_NAME) LIKE LOWER('%PriceOrder%') ...
https://stackoverflow.com/ques... 

What is your preferred style for naming variables in R? [closed]

...e full paper is here: http://journal.r-project.org/archive/2012-2/RJournal_2012-2_Baaaath.pdf share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

How do I declare an array of weak references in Swift?

...T] { return objects.flatMap { $0.object } } func contains(_ object: T) -> Bool { return self.objects.contains(WeakObject(object: object)) } func addObject(_ object: T) { self.objects.formUnion([WeakObject(object: object)]) } func addObjects(_ obj...
https://stackoverflow.com/ques... 

How do you send a HEAD HTTP request in Python 2?

...rt urllib2 >>> class HeadRequest(urllib2.Request): ... def get_method(self): ... return "HEAD" ... >>> response = urllib2.urlopen(HeadRequest("http://google.com/index.html")) Headers are available via response.info() as before. Interestingly, you can find the URL th...
https://stackoverflow.com/ques... 

Find MongoDB records where array field is not empty

...unexpected results. For example: db.doc.find({'nums': { $gt: [] }}).hint({ _id: 1 }).count() returns the right number, while db.doc.find({'nums': { $gt: [] }}).hint({ nums: 1 }).count() returns 0. – wojcikstefan Mar 4 '17 at 17:51 ...