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Regex for password must contain at least eight characters, at least one number and both lower and up

... Minimum eight characters, at least one letter and one number: "^(?=.*[A-Za-z])(?=.*\d)[A-Za-z\d]{8,}$" Minimum eight characters, at least one letter, one number and one special character: "^(?=.*[A-Za-z])(?=.*\d)(?=.*[@$!%*#?&])[A-Za-z\d@$!%*#?&]{8,}$" Mini...
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How do I specify the exit code of a console application in .NET?

... their case, make sure your project is compiled as a "Console application" and not as a "Windows application". – Marcel Gosselin Apr 7 '12 at 4:11 ...
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How can I check if a URL exists via PHP?

...t Found') { $exists = false; } else { $exists = true; } From here and right below the above post, there's a curl solution: function url_exists($url) { return curl_init($url) !== false; } share | ...
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Transparent ARGB hex value

...und color. To get a fully transparent color set the alpha to zero. RR, GG and BB are irrelevant in this case because no color will be visible. This means #00FFFFFF ("transparent White") is the same color as #00F0F8FF ("transparent AliceBlue"). To keep it simple one chooses black (#00000000) or whit...
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Clear icon inside input text

...d browsers If you need IE9 support here are some workarounds Using a standard <input type="text"> and some HTML elements: /** * Clearable text inputs */ $(".clearable").each(function() { var $inp = $(this).find("input:text"), $cle = $(this).find(".clearable__clear")...
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How do I apply a perspective transform to a UIView?

...ws] objectAtIndex:0]; CALayer *layer = myView.layer; CATransform3D rotationAndPerspectiveTransform = CATransform3DIdentity; rotationAndPerspectiveTransform.m34 = 1.0 / -500; rotationAndPerspectiveTransform = CATransform3DRotate(rotationAndPerspectiveTransform, 45.0f * M_PI / 180.0f, 0.0f, 1.0f, 0.0f...
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CSS border less than 1px [duplicate]

...ay also be used to simulate the same effect, without the need to calculate and manipulate RGB values. .container { border-style: solid; border-width: 1px; margin-bottom: 10px; } .border-100 { border-color: rgba(0,0,255,1); } .border-75 { border-color: rgba(0,0,255,0.75); } .border-50 {...
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Finding Number of Cores in Java

...r of available processors should therefore occasionally poll this property and adjust their resource usage appropriately." source – JW. Jun 16 '12 at 9:38 ...
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How do I animate constraint changes?

I'm updating an old app with an AdBannerView and when there is no ad, it slides off screen. When there is an ad it slides on the screen. Basic stuff. ...
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Difference between reduce and foldLeft/fold in functional programming (particularly Scala and Scala

Why do Scala and frameworks like Spark and Scalding have both reduce and foldLeft ? So then what's the difference between reduce and fold ? ...