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Is there a Python equivalent of the C# null-coalescing operator?

... use this to trigger the default value without using None specifically (an error object, for example). In some languages this behavior is referred to as the Elvis operator. share | improve this ans...
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Android List Preferences: have summary as selected value?

...s); context = getActivity(); if (context == null){ Log.e("error","context is null"); } prefs = PreferenceManager.getDefaultSharedPreferences(context); myFrequencyList = (Preference) findPreference("frequency_key"); prefs.registerOnSharedPreferenceChangeListener(thi...
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Node.js: printing to console without a trailing newline?

... There seem to be many answers suggesting: process.stdout.write Error logs should be emitted on: process.stderr Instead use: console.error For anyone who is wonder why process.stdout.write('\033[0G'); wasn't doing anything it's because stdout is buffered and you need to wait for dra...
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How to set value of input text using jQuery

....val("fgg"); }); Failing this, you will need to verify in your browser's error console that you don't have other script errors causing this to fail. The first example above works correctly in this demonstration. share ...
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Is there a way to detect if a browser window is not currently active?

I have JavaScript that is doing activity periodically. When the user is not looking at the site (i.e., the window or tab does not have focus), it'd be nice to not run. ...
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specify project file of a solution using msbuild

I want the commandline for building a particular project of a solution using msbuild like we do with devenv.com.In devenv.com we can specify a project of a solution using following commandline ...
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Method Overloading for null argument

...ally plan to call these methods with null arguments. Such a design invites errors in the future. share | improve this answer | follow | ...
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Why is there no SortedList in Java?

In Java there are the SortedSet and SortedMap interfaces. Both belong to the Java Collections framework and provide a sorted way to access the elements. ...
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Install Application programmatically on Android

... HI When you get file corrupted error, what is the mode of transportation you gave to your app to bring the APK, if you are downloading from server means, check to flush the streams at the copying file from the server? Since installing the APK which was tr...
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Cordova: start specific iOS emulator image

... I don't really know why but for me Cordova CLI would throw "Error: Cannot read property 'name' of undefined" when specifying the target with quotes, I could only get it to work by running it like this cordova run ios --target=iPhone-6. Hope this saves someone else some trouble! ...