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How to change or add theme to Android Studio?

... File->Settings->Editor->Colors & Fonts-> In scheme name select Darcula and apply to see a awesome dark background theme editor Android Studio 3.1.2 File->Settings->Editor->Color Scheme-> In scheme name select Darcula and apply to see a awesome dark background theme e...
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What does jquery $ actually return?

... From Rick Strahl's description: The jQuery Object: The Wrapped Set: Selectors return a jQuery object known as the "wrapped set," which is an array-like structure that contains all the selected DOM elements. You can iterate over the wrapped set like an array or access individual elem...
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What does $_ mean in PowerShell?

...dItem | Add-Member -Type NoteProperty -Name Bar -Value $_.Name -PassThru | Select Bar ... Well, it can work if you have a $_ in the scope where you're executing that pipeline. But that's very different from what you usually mean when trying to write something like that. – Joey ...
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Android Studio doesn't see device

..., follow these steps: 1. go to Run 2. Click on Edit Configurations 3. Select the project 4. find the Target Device section under the General tab on the Android Application page. That seems to be where you toggle what the project builds to. If you're importing a project it actually defaults t...
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Python pandas Filtering out nan from a data selection of a column of strings

... }, onDemand: true, discardSelector: ".discard-answer" ,immediatelyShowMarkdownHelp:true,enableSnippets:true }); } }); ...
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What's is the difference between train, validation and test set, in neural networks?

...he validation data actually affects the weight configuration indirectly to select the weight configuration. This is where the Test set comes in. This set of data is never used in the training process. Once a model is selected based on the validation set, the test set data is applied on the network m...
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What's the best way to join on the same table twice?

...tiple times or using subqueries etc. I would just clean things up a bit: SELECT t.PhoneNumber1, t.PhoneNumber2, t1.SomeOtherFieldForPhone1, t2.someOtherFieldForPhone2 FROM Table1 t JOIN Table2 t1 ON t1.PhoneNumber = t.PhoneNumber1 JOIN Table2 t2 ON t2.PhoneNumber = t.PhoneNumber2 What i did:...
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AngularJS: how to implement a simple file upload with multipart form?

...tags so you have to do it in a "native-way" that pass the all (eventually) selected files from the user. controller $scope.uploadFile = function(files) { var fd = new FormData(); //Take the first selected file fd.append("file", files[0]); $http.post(uploadUrl, fd, { withCr...
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Fragment onCreateView and onActivityCreated called twice

....getFragmentManager().findFragmentByTag(mTag); } public void onTabSelected(Tab tab, FragmentTransaction ft) { if (mFragment == null) { mFragment = Fragment.instantiate(mActivity, mClass.getName()); ft.replace(android.R.id.content, mFragment, mTag); } ...
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How to select rows with one or more nulls from a pandas DataFrame without listing columns explicitly

... 0.0 NaN 0.0 3 0.0 1.0 2.0 3.0 4 NaN 0.0 NaN NaN If you want to select the rows that have two or more columns with null value, you run the following: >>> qty_of_nuls = 2 >>> df.iloc[df[(df.isnull().sum(axis=1) >=qty_of_nuls)].index] 0 1 2 3 1 0.0 NaN 0...