大约有 32,294 项符合查询结果(耗时:0.0927秒) [XML]

https://stackoverflow.com/ques... 

FormsAuthentication.SignOut() does not log the user out

... I've struggled with this before too. Here's an analogy for what seems to be going on... A new visitor, Joe, comes to the site and logs in via the login page using FormsAuthentication. ASP.NET generates a new identity for Joe, and gives him a cookie. That cookie is like the key to the...
https://stackoverflow.com/ques... 

How to convert an integer to a string in any base?

... ones have not been tested for venerable Python and GMP releases, only somewhat recent ones), or, for less speed but more convenience, use Python code -- e.g., most simply: import string digs = string.digits + string.ascii_letters def int2base(x, base): if x < 0: sign = -1 elif...
https://stackoverflow.com/ques... 

#1071 - Specified key was too long; max key length is 1000 bytes

...dex` (`parent_menu_id`,`menu_link`(50),`plugin`(50),`alias`(50)) ... But what's the best prefix length for a given column? Here's a method to find out: SELECT ROUND(SUM(LENGTH(`menu_link`)<10)*100/COUNT(`menu_link`),2) AS pct_length_10, ROUND(SUM(LENGTH(`menu_link`)<20)*100/COUNT(`menu_l...
https://stackoverflow.com/ques... 

AngularJS : Difference between the $observe and $watch methods

...oon as something in $scope changes in AngularJS. But couldn't understand what exactly is the difference between the two. ...
https://stackoverflow.com/ques... 

The difference between bracket [ ] and double bracket [[ ]] for accessing the elements of a list or

... What is the reasoning behind using [[ vs [ to index with a single number vs vector? Why not just use [ for both? I guess you can use the [[ to get back a single entry, and [ with one index returns a list of length 1...but w...
https://stackoverflow.com/ques... 

How to set a default value for a datetime column to record creation time in a migration?

...:start_date, :datetime, default: -> { 'CURRENT_TIMESTAMP' } and this is what it loooks like in the schema.rb t.datetime "start_date", default: -> { "now()" } But when I created new record, it's not not being populated. Any idea why? – Sandip Subedi Jul 26...
https://stackoverflow.com/ques... 

how to implement a pop up dialog box in iOS

... Yup, a UIAlertView is probably what you're looking for. Here's an example: UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"No network connection" message:@"You must be connected to the internet to...
https://stackoverflow.com/ques... 

How to get arguments with flags in Bash

... What does the --action* and --output-dir* cases do? – Lucio Jul 23 '14 at 0:22 1 ...
https://stackoverflow.com/ques... 

Debugging in Clojure? [closed]

What are best ways to Debug Clojure code, while using the repl? 14 Answers 14 ...
https://stackoverflow.com/ques... 

How to identify server IP address in PHP

... Perfect, What I am looking for. Thanks John – Frank Jan 7 '14 at 13:28 6 ...