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if else in a list comprehension [duplicate]

...with a specific condition (name in this example) var_list = [v for v in tf.all_variables() if v.name == 'C:0'] – Charlie Parker Jul 25 '16 at 16:50 13 ...
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Nodejs send file in response

... util.pump is gone and was replaced with a method on the Stream prototype called pipe; the code below reflects this. var http = require('http'), fileSystem = require('fs'), path = require('path'); http.createServer(function(request, response) { var filePath = path.join(__dirname, 'myfi...
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How to check whether a string is Base64 encoded or not

... for PHP5 //where $json is some data that can be base64 encoded $json=some_data; //this will check whether data is base64 encoded or not if (base64_decode($json, true) == true) { echo "base64 encoded"; } else { echo "not base64 encoded"; } Use this for PHP7 //$strin...
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How to initialize static variables

... I love PHP, but it's really odd sometimes. – Marco Demaio Nov 10 '11 at 21:46 6 ...
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How to iterate a loop with index and element in Swift

...100, height: 100) button.addTarget(self, action: #selector(iterate(_:)), for: .touchUpInside) view.addSubview(button) } @objc func iterate(_ sender: UIButton) { let tuple = generator.next() print(String(describing: tuple)) } } PlaygroundPage.current.liv...
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Make a link in the Android browser start up my app?

...o look at the <intent-filter> element of your Mainfest file. Specifically, take a look at the documentation for the <data> sub-element. Basically, what you'll need to do is define your own scheme. Something along the lines of: <intent-filter> <data android:scheme="anton" /...
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Swift native base class or NSObject

... of NSObject: are Objective-C classes themselves use objc_msgSend() for calls to (most of) their methods provide Objective-C runtime metadata for (most of) their method implementations Swift classes that are not subclasses of NSObject: are Objective-C classes, but implement only a handful of m...
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Test parameterization in xUnit.net similar to NUnit

... xUnit offers a way to run parameterized tests through something called data theories. The concept is equivalent to the one found in NUnit but the functionality you get out of the box is not as complete. Here's an example: [Theory] [InlineData("Foo")] [InlineData(9)] [InlineData(true)] pu...
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How do I deserialize a JSON string into an NSDictionary? (For iOS 5+)

...zern answer @implementation NSString (Extensions) - (NSDictionary *) json_StringToDictionary { NSError *error; NSData *objectData = [self dataUsingEncoding:NSUTF8StringEncoding]; NSDictionary *json = [NSJSONSerialization JSONObjectWithData:objectData options:NSJSONReadingMutableContain...
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What exactly does an #if 0 … #endif block do?

...entire thing. And the #if 0s will nest with each other, like so: #if 0 pre_foo(); #if 0 foo(); bar(x, y); /* x must not be NULL */ baz(); #endif quux(); #endif Although of course this can get a bit confusing and become a maintenance headache if not commented properly. ...