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Android studio logcat nothing to show

...or me – Abdul Waheed Dec 8 '17 at 8:51 add a comment  |  ...
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How do I deep copy a DateTime object?

... $date1 = new DateTime(); $date2 = new DateTime(); $date2->add(new DateInterval('P3Y')); Update: If you want to copy rather than reference an existing DT object, use clone, not =. $a = clone $b; ...
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ADB Android Device Unauthorized

... Try forcing ADB to create new keys. On Linux: $ mv ~/.android/adbkey ~/.android/adbkey.old $ mv ~/.android/adbkey.pub ~/.android/adbkey.pub.old $ adb kill-server $ adb start-server On Windows 10 (thank you, Pau Coma Ramirez, Naveen and d4c0d312!):...
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How to get certain commit from GitHub project

...f the repository, so you can switch to any version. Next, change into the newly cloned repository: cd facebook-ios-sdk ... and use git checkout <COMMIT> to change to the right commit: git checkout 91f25642453 That will give you a warning, since you're no longer on a branch, and have swi...
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How does this CSS produce a circle?

... How does a border of 180 pixels with height/width-> 0px become a circle with a radius of 180 pixels? Let's reformulate that into two questions: Where do width and height actually apply? Let's have a look at the areas of a typical box (source): The height and w...
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How to alias a table in Laravel Eloquent queries (or using Query Builder)?

...users = DB::table('really_long_table_name AS t') ->select('t.id AS uid') ->get(); Let's see it in action with an awesome tinker tool $ php artisan tinker [1] > Schema::create('really_long_table_name', function($table) {$table->increments('id');}); // NULL [2] &g...
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Subset of rows containing NA (missing) values in a chosen column of a data frame

...='NA' to test for missing values. Use is.na() instead. This should do it: new_DF <- DF[rowSums(is.na(DF)) > 0,] or in case you want to check a particular column, you can also use new_DF <- DF[is.na(DF$Var),] In case you have NA character values, first run Df[Df=='NA'] <- NA to r...
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angularjs directive call function specified in attribute and pass an argument to it

... But I also want to pass an argument to the function that is determined inside the link function. 7 Answers ...
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How to create a dialog with “yes” and “no” options?

...hich displays a prompt and returns true or false based on what the user decided: if (confirm('Are you sure you want to save this thing into the database?')) { // Save it! console.log('Thing was saved to the database.'); } else { // Do nothing! console.log('Thing was not saved to th...
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How to uninstall Python 2.7 on a Mac OS X 10.6.4?

...ln -s -f /usr/local/bin/python3.8 /usr/local/bin/python Close and open a new terminal and try python --version share | improve this answer | follow | ...