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socket.io rooms or namespacing?

...ation, namespaces might be the easiest route to take if you want hierarchically layered compartments (2 layers max), use a namespace/room combo if your client-side app consists of different parts that (do not themselves care about compartments but) need to be separated from each other, use namespace...
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Hibernate: hbm2ddl.auto=update in production?

...ite your own patches, review them with DBA, test them, then apply them manually. Theoretically, if hbm2ddl update worked in development, it should work in production too. But in reality, it's not always the case. Even if it worked OK, it may be sub-optimal. DBAs are paid that much for a reason. ...
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How do I automatically scroll to the bottom of a multiline text box?

...I am adding new lines of text to it. I would like the textbox to automatically scroll to the bottom-most entry (the newest one) whenever a new line is added. How do I accomplish this? ...
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How to run .APK file on emulator [duplicate]

...rm-tools folder in android-sdk. Then Execute this command - ./adb install FileName.apk If the operation is successful (the result is displayed on the screen), then you will find your file in the launcher of your emulator. For more info can check this link : android videos ...
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How do I show/hide a UIBarButtonItem?

... Save your button in a strong outlet (let's call it myButton) and do this to add/remove it: // Get the reference to the current toolbar buttons NSMutableArray *toolbarButtons = [self.toolbarItems mutableCopy]; // This is how you remove the button from the toolbar and ...
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How to reset Android Studio

...nt to reset Android Studio 0.2.13 to the default state. That means reset all settings, remove all projects, all gradle files so that it would act like a fresh installation. What steps do I have to follow to achieve this? ...
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Force drop mysql bypassing foreign key constraint

I'm trying to delete all tables from a database except one, and I end up having the following error: 6 Answers ...
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Angularjs - display current date

...unction Ctrl($scope) { $scope.date = new Date(); } view: <div ng-app ng-controller="Ctrl"> {{date | date:'yyyy-MM-dd'}} </div> JSFiddle example Angular Date Filter Ref share | ...
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How to store Node.js deployment settings/configuration files?

...": "2.2.0" } When I clone the project to my local machine, I run npm install to install the packages. More info on that here. The project is stored in GitHub, with remotes added for my production server. share | ...
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How to add Action Bar from support library into PreferenceActivity?

...ected void onCreate(Bundle savedInstanceState) { getDelegate().installViewFactory(); getDelegate().onCreate(savedInstanceState); super.onCreate(savedInstanceState); } @Override protected void onPostCreate(Bundle savedInstanceState) { super.onPostCreate(sa...