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Check for internet connection availability in Swift
...work()->Bool{
var Status:Bool = false
let url = NSURL(string: "http://google.com/")
let request = NSMutableURLRequest(URL: url!)
request.HTTPMethod = "HEAD"
request.cachePolicy = NSURLRequestCachePolicy.ReloadIgnoringLocalAndRemoteCacheData
request.timeoutInterval = 10.0
...
Is R's apply family more than syntactic sugar?
...regarding execution time and / or memory.
5 Answers
5
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How to detect if CMD is running as Administrator/has elevated privileges?
... not work; see this excellent answer instead.
Found this solution here: http://www.robvanderwoude.com/clevertricks.php
AT > NUL
IF %ERRORLEVEL% EQU 0 (
ECHO you are Administrator
) ELSE (
ECHO you are NOT Administrator. Exiting...
PING 127.0.0.1 > NUL 2>&1
EXIT /B 1
...
Insert line break inside placeholder attribute of a textarea?
...=''){
$(this).attr('value', placeholder);
}
});
Example: http://jsfiddle.net/airandfingers/pdXRx/247/
Not pure CSS and not clean but does the trick.
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How to set up a Subversion (SVN) server on GNU/Linux - Ubuntu [closed]
...er program
text editor (I use kate)
sudo access rights
1: Install Apache HTTP server and required modules:
sudo apt-get install libapache2-svn apache2
The following extra packages will be installed:
apache2-mpm-worker apache2-utils apache2.2-common
2: Enable SSL
sudo a2enmod ssl
sudo kate /...
What happens if you static_cast invalid value to enum class?
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
What is the JavaScript equivalent of var_dump or print_r in PHP? [duplicate]
...u can view the browsers that support natively the JSON.stringify function: http://caniuse.com/json
You can also use the Douglas Crockford library to add JSON.stringify support on old browsers: https://github.com/douglascrockford/JSON-js
Docs for JSON.stringify: https://developer.mozilla.org/en-US/...
CSS: 100% width or height while keeping aspect ratio?
...round-position: center;
background-repeat: no-repeat;
}
The reference: http://www.w3schools.com/cssref/css3_pr_background-size.asp
And the demo: http://www.w3schools.com/cssref/playit.asp?filename=playcss_background-size
...
Difference between application/x-javascript and text/javascript content types
...RFC.
As far a browsers are concerned, there is no difference (at least in HTTP headers). This was just a change so that the text/* and application/* MIME type groups had a consistent meaning where possible. (text/* MIME types are intended for human readable content, JavaScript is not designed to di...
Prepend text to beginning of string
...r = mystr.replace (/^/,'John ');
console.log(mystr);
disclaimer: http://xkcd.com/208/
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