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Get operating system info

...from an answer on SO https://stackoverflow.com/a/15497878/ <?php $user_agent = $_SERVER['HTTP_USER_AGENT']; function getOS() { global $user_agent; $os_platform = "Unknown OS Platform"; $os_array = array( '/windows nt 10/i' => 'Windows 10'...
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How to use the pass statement?

...that you don't want to implement, yet. class MyClass(object): def meth_a(self): pass def meth_b(self): print "I'm meth_b" If you were to leave out the pass, the code wouldn't run. You would then get an: IndentationError: expected an indented block To summarize, the pa...
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Implementing INotifyPropertyChanged - does a better way exist?

Microsoft should have implemented something snappy for INotifyPropertyChanged , like in the automatic properties, just specify {get; set; notify;} I think it makes a lot of sense to do it. Or are there any complications to do it? ...
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Determine if an object property is ko.observable

...ce) { if ((instance === null) || (instance === undefined) || (instance.__ko_proto__ === undefined)) return false; if (instance.__ko_proto__ === ko.dependentObservable) return true; return ko.isComputed(instance.__ko_proto__); // Walk the prototype chain }; UPDATE: If you are using KO 2...
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How do I find out what keystore my JVM is using?

... Your keystore will be in your JAVA_HOME---> JRE -->lib---> security--> cacerts. You need to check where your JAVA_HOME is configured, possibly one of these places, Computer--->Advanced --> Environment variables---> JAVA_HOME Your serv...
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Count the number occurrences of a character in a string

...quently, check out collections.Counter: from collections import Counter my_str = "Mary had a little lamb" counter = Counter(my_str) print counter['a'] share | improve this answer | ...
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What would be C++ limitations compared C language? [closed]

...u are working in. (In some cases this is possible with a few extern "C" wrapper functions, depending on how template/inline a C++ library is.) Taking the first C file in a project I'm working on, this is what happens if you just swap gcc std=c99 for g++: sandiego:$ g++ -g -O1 -pedantic -mfpmath=...
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How to Rotate a UIImage 90 degrees?

... you may call UIGraphicsGetCurrentContext function from any thread of your app. – bentford Aug 27 '13 at 17:51 3 ...
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WebForms UnobtrusiveValidationMode requires a ScriptResourceMapping for 'jquery'. Please add a Scrip

I'm building a web application using Visual Studio 2012. I'm attempting to add word count into my textbox. However after adding the the javascript codes and the html codes. I receive the error as stated above. ...
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What do (lambda) function closures capture?

...ere for what dynamic scope really is: voidspace.org.uk/python/articles/code_blocks.shtml . – Claudiu Jun 29 '10 at 15:21 6 ...