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Easiest way to detect Internet connection on iOS?
...hable");
break;
}
}];
You can also use the following to test reachability synchronously (once monitoring has started):
-(BOOL) isInternetReachable
{
return [AFNetworkReachabilityManager sharedManager].reachable;
}
...
What is a lambda (function)?
...an primitive type.
Predicate<Integer> pred = x -> x % 2 == 0; // Tests if the parameter is even.
boolean result = pred.test(4); // true
Lua
adder = function(x)
return function(y)
return x + y
end
end
add5 = adder(5)
add5(1) == 6 -- true
Kotlin
val pred = { x: I...
Loop through files in a folder using VBA?
... takes wild cards so you could make a big difference adding the filter for test up front and avoiding testing each file
Sub LoopThroughFiles()
Dim StrFile As String
StrFile = Dir("c:\testfolder\*test*")
Do While Len(StrFile) > 0
Debug.Print StrFile
StrFile = Dir
L...
HTML5 Local storage vs. Session storage
...
i tested this on Chrome v41.x and it seems that the above statement about https is not true: localStorage retains its stored data.
– CCC
Apr 10 '15 at 19:02
...
Textarea onchange detection
... to do this, but your probably shouldn't be using addEventListener as your test for browser-support. +1 in any case.
– Ben D
May 16 '13 at 21:41
1
...
jQuery selector regular expressions
...nswer and is susceptible to link rot. Additionally, I found two bugs while testing the code - it will drop commas from regular expressions containing them (solved by replacing matchParams.join('') with matchParams.join(',')), and any pattern that matches 'undefined' or 'null' will match undefined an...
MySQL: @variable vs. variable. What's the difference?
...meters and declare the local variables:
DELIMITER //
CREATE PROCEDURE prc_test (var INT)
BEGIN
DECLARE var2 INT;
SET var2 = 1;
SELECT var2;
END;
//
DELIMITER ;
These variables are not prepended with any prefixes.
The difference between a procedure variable and a session-specific use...
How do I find the caller of a method using stacktrace or reflection?
...and seems to be faster than the stack trace method.
The following program tests the speed of the different suggested methods (the most interesting bit is in the inner class SecurityManagerMethod):
/**
* Test the speed of various methods for getting the caller class name
*/
public class TestGetCa...
快速开发CSS的利器LESS 系列教程 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...初识less</title>
<link type="text/less" rel="stylesheet/less" href="test.less" />
<script src="less.js"></script>
</head>
<body>
<div class="con">
独行冰海
<p>利利</p>
</div>
</body>
</html>
2.快速开发CSS的利器 - less 混入
less 混入
混...
Further understanding setRetainInstance(true)
...on (if (...findFragmentByTag() == null) { ...).
Finally, I created my own test activity to see exactly what functions are called. It outputs this, when you start in portrait and rotate to landscape. The code is below.
(This is edited a bit to make it easier to read.)
TestActivity@415a4a30: this()...