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How to validate IP address in Python? [duplicate]

... representations of IP addresses. If you're using Python 3.3 or later, it now includes the ipaddress module: >>> import ipaddress >>> ipaddress.ip_address('127.0.0.1') IPv4Address('127.0.0.1') >>> ipaddress.ip_address('277.0.0.1') Traceback (most recent call last): Fil...
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Call by name vs call by value in Scala, clarification needed

...def something() = { println("calling something") 1 // return value } Now we are going to define two function that accept Int arguments that are exactly the same except that one takes the argument in a call-by-value style (x: Int) and the other in a call-by-name style (x: => Int). def callB...
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Difference between attr_accessor and attr_accessible

...ode to (quickly) create setter and getter methods in a Class. That's all. Now, what is missing as an explanation is that when you create somehow a link between a (Rails) model with a database table, you NEVER, NEVER, NEVER need attr_accessor in your model to create setters and getters in order to b...
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Do declared properties require a corresponding instance variable?

...e Modern Objective-C Runtime (that's either iOS 3.x or greater, or 64-bit Snow Leopard or greater) then you do not need to define ivars for your properties in cases like this. When you @synthesize the property, the ivar will in effect be synthesized also for you. This gets around the "fragile-ivar"...
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How to set focus on input field?

...odal. Define a directive and have it $watch a property/trigger so it knows when to focus the element: Name: <input type="text" focus-me="shouldBeOpen"> app.directive('focusMe', ['$timeout', '$parse', function ($timeout, $parse) { return { //scope: true, // optionally cr...
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Can I use my existing git repo with openshift?

... I know the question is 2-year old and the @adietisheim's answer has been accepted. I personally don't like to merge the openshift repo into my local clone because I don't want to mix the OpenShift repo into the master branch of ...
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What is the difference between jQuery's mouseout() and mouseleave()?

...eaves the tooltip won't be displayed. This will work 99% of the time. But now let's say the element you have a tooltip attached to is a button with a click event, and let's also assume this button prompts the user with either a confirm or alert box. The user clicks the button and the alert fires. T...
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Android: Vertical ViewPager [closed]

... @Brett I was using your solution. but now I am getting the swipping issue in andorid pie devices. Has any one facing same issue? – Jishant Jan 3 '19 at 10:38 ...
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Installing MSBuild 4.0 without Visual Studio 2010

...looking for in order to install on our build servers so I'm downloading it now and I'll post any further findings after I check it out. UPDATE: I can confirm that the link provided above does indeed install MSBuild along with other portions of what would constitute an SDK for .NET 4.0. I'm successf...
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Return from lambda forEach() in java

... a stream (I am assuming here that it is of type Collection<Player>, now you have a Stream<Player>. Filter out all unwanted elements with a Predicate<Player>, mapping every player to the boolean true if it is wished to be kept. Collect the resulting elements in a list, via a Collec...