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How to “test” NoneType in python?

...value. So how can I question a variable that is a NoneType? I need to use if method, for example 7 Answers ...
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How to install Android SDK Build Tools on the command line?

...re -u stands for --no-ui, -a stands for --all and -t stands for --filter. If you need to install multiple packages do: android update sdk -u -a -t 1,2,3,4,..,n Where 1,2,..,n is the package number listed with the list command above ...
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PHP + curl, HTTP POST sample code?

... "postvar1=value1&postvar2=value2&postvar3=value3"); // In real life you should use something like: // curl_setopt($ch, CURLOPT_POSTFIELDS, // http_build_query(array('postvar1' => 'value1'))); // Receive server response ... curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); $se...
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How to disable UITextField editing but still accept touch?

...paste, cut and select text, and I don't want it. Only the Picker should modify text field. 15 Answers ...
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Running python script inside ipython

...ere); as you note, it just looks in the current directory, appending ".py" if necessary. There doesn't seem to be a way to specify which file finder to use from the %run magic, but there's nothing to stop you from defining your own magic command that calls into %run with an appropriate file finder....
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Get login username in java

...inst Java's philosophy of write once, run anywhere (introduction of OS specific code), and secondly, it creates a dependency on Sun's implementation of Java. – Jin Kim May 19 '09 at 16:28 ...
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What's Go's equivalent of argv[0]?

...guments are exposed in the os package http://golang.org/pkg/os/#Variables If you're going to do argument handling, the flag package http://golang.org/pkg/flag is the preferred way. Specifically for your case flag.Usage Update for the example you gave: func usage() { fmt.Fprintf(os.Stderr, "us...
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How to prevent custom views from losing state across screen orientation changes

...te) { //begin boilerplate code so parent classes can restore state if(!(state instanceof SavedState)) { super.onRestoreInstanceState(state); return; } SavedState ss = (SavedState)state; super.onRestoreInstanceState(ss.getSuperState()); //end this.stateToSave...
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How to refresh an IFrame using Javascript?

I have a webpage with an IFrame and a Button, once the button is pressed I need the IFrame to be refreshed. Is this possible, if so how? I searched and could not find any answers. ...
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Remove last commit from remote git repository [duplicate]

...ve commit locally git push origin +HEAD # force-push the new HEAD commit If you want to still have it in your local repository and only remove it from the remote, then you can use: git push origin +HEAD^:<name of your branch, most likely 'master'> ...