大约有 42,000 项符合查询结果(耗时:0.1010秒) [XML]

https://stackoverflow.com/ques... 

Where could I buy a valid SSL certificate? [closed]

...o beat. A certificate says to the client that you are who you say you are, and the issuer has verified that to be true. You can get a free SSL certificate signed, for example, by StartSSL. This is an improvement on self-signed certificates, because your end-users would stop getting warning pop-ups ...
https://stackoverflow.com/ques... 

HTML5shiv vs Dean Edwards IE7-js vs Modernizr - which to choose?

I'm looking to build my first HTML5 site and have been looking at working with IE. 3 Answers ...
https://stackoverflow.com/ques... 

Extract a regular expression match

... wraps all the existing regular expression operates in a consistent syntax and adds a few that are missing: library(stringr) str_locate("aaa12xxx", "[0-9]+") # start end # [1,] 4 5 str_extract("aaa12xxx", "[0-9]+") # [1] "12" ...
https://stackoverflow.com/ques... 

In mongoDb, how do you remove an array element by its index?

.../browse/SERVER-1014 , you may vote for it. The workaround is using $unset and then $pull: db.lists.update({}, {$unset : {"interests.3" : 1 }}) db.lists.update({}, {$pull : {"interests" : null}}) Update: as mentioned in some of the comments this approach is not atomic and can cause some race con...
https://stackoverflow.com/ques... 

Heroku “psql: FATAL: remaining connection slots are reserved for non-replication superuser connectio

...t this error message when trying to access the database, both from the CLI and from loading a page on the server: 4 Answers...
https://stackoverflow.com/ques... 

How to get package name from anywhere?

I am aware of the availability of Context.getApplicationContext() and View.getContext() , through which I can actually call Context.getPackageName() to retrieve the package name of an application. ...
https://stackoverflow.com/ques... 

Get nth character of a string in Swift programming language

...tion: Please see Leo Dabus' answer for a proper implementation for Swift 4 and Swift 5. Swift 4 or later The Substring type was introduced in Swift 4 to make substrings faster and more efficient by sharing storage with the original string, so that's what the subscript functions should return. Try...
https://stackoverflow.com/ques... 

Passing parameters to JavaScript files

... I'd recommend not using global variables if possible. Use a namespace and OOP to pass your arguments through to an object. This code belongs in file.js: var MYLIBRARY = MYLIBRARY || (function(){ var _args = {}; // private return { init : function(Args) { _args = A...
https://stackoverflow.com/ques... 

What is “assert” in JavaScript?

...ssertions (as they're called) are used only in "testing" or "debug" builds and stripped out of production code. Suppose you had a function that was supposed to always accept a string. You'd want to know if someone called that function with something that wasn't a string. So you might do: assert(ty...
https://stackoverflow.com/ques... 

Iterate over each line in a string in PHP

...ts of the file into a textarea. I can easily differentiate between the two and put whichever one they entered into a string variable, but where do I go from there? ...