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Freeing up a TCP/IP port?
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...and that happens if you don't have permission to see the process... try sudo netstat to actually see the PIDs :)
– Anentropic
Sep 23 '16 at 17:25
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Copying PostgreSQL database to another server
...ne is from remote to local. More -> https://www.postgresql.org/docs/9.6/app-pgdump.html
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How to create a WPF Window without a border that can be resized via a grip only?
...on the Window (even without setting any transparency values) the border disappears and you can only resize via the grip.
<Window
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
Width="640" Height="480"
Wind...
DialogFragment setCancelable property not working
I am working in an android application and am using a DialogFragment to show a dialog and I want to make that DialogFragment not cancelable. I have made the dialog cancelable property to false, but still its not affecting.
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Callback functions in Java
...rt java.util.function.Function;
public MyClass {
public static String applyFunction(String name, Function<String,String> function){
return function.apply(name);
}
}
then you can call it like so
MyClass.applyFunction("42", str -> "the answer is: " + str);
// returns "the an...
Constructors vs Factory Methods [closed]
...olFactory.ConstructForStudent(myStudent);
Now you have one place in your app that contains business logic that determines what ISchool object to instantiate for different IStudent objects.
So - for simple classes (value objects, etc.) constructor is just fine (you don't want to overengineer your ...
How do you get a Golang program to print the line number of the error it just called?
...'re using a custom log you can use it like var mylog = log.New(os.Stderr, "app: ", log.LstdFlags | log.Lshortfile).
– OneOfOne
Jul 17 '14 at 18:33
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Automatically deleting related rows in Laravel (Eloquent ORM)
... I believe the new / preferred Laravel way is to stick all of these in the AppServiceProvider's boot() method in this way: \App\User::deleting(function ($u) { $u->photos()->delete(); });
– Watercayman
Jan 26 '17 at 19:13
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Why are Docker container images so large?
...ux as your base image. It is ~5MB, then only add what is required for your app. This post about Microcontainers shows you how to build very small images base on Alpine.
UPDATE: the official Docker images are based on alpine now so they are good to use now.
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ADB No Devices Found
I am attempting to install an Android app on my brand new Nexus 10 . I have a .apk file. I have downloaded the Android SDK, installed "Android SDK Tools", "Android SDK Platform-tools", and Google USB Driver. I have checked the setting on my Nexus 10 for "Unknown Sources".
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