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Docker can't connect to docker daemon
...
Linux
To run docker daemon on Linux (from CLI), run:
$ sudo service docker start # Ubuntu/Debian
Note: Skip the $ character when copy and pasting.
On RedHat/CentOS, run: sudo systemctl start docker.
To initialize the "base" filesystem, run:
$ sudo service ...
How to fix 'android.os.NetworkOnMainThreadException'?
... brackets and a call to execute()). On the other hand, even a single fetch from a site as you mention brings a significant lag in the UI responsiveness. Don't be lazy.
– Zoltán
Sep 4 '12 at 9:39
...
Proper stack and heap usage in C++?
...u do not malloc() or new) lives on the stack. It goes away when you return from the function. If you want something to live longer than the function that declared it, you must allocate it on the heap.
class Thingy;
Thingy* foo( )
{
int a; // this int lives on the stack
Thingy B; // this thing...
Setting up a common nuget packages folder for all solutions when some projects are included in multi
...t-Click on your "NuGet" solution folder and then Add->Existing Item and select \Solutions\NuGet.Config.
The reason we are doing this is so that it is visible in the solution and should help with making sure it is properly committed to your source code control. You may want to do this step for ea...
How do I check CPU and Memory Usage in Java?
...ge collection logging. You simply add -verbose:gc to the startup command.
From the Sun documentation:
The command line argument -verbose:gc prints information at every
collection. Note that the format of the -verbose:gc output is subject
to change between releases of the J2SE platform. For ...
Android: install .apk programmatically [duplicate]
...my sdcard in download file.
// So please Check in DDMS tab and Select your Emulator.
//Toast.makeText(getApplicationContext(), "Download Complete on SD Card.!", Toast.LENGTH_SHORT).show();
//download the APK to sdcard then fire the Intent.
}
catc...
Locking a file in Python
I need to lock a file for writing in Python. It will be accessed from multiple Python processes at once. I have found some solutions online, but most fail for my purposes as they are often only Unix based or Windows based.
...
Finding the Eclipse Version Number
...of the dialogue. This should include two which are the plain Eclipse icon. Select the one with tooltip "Eclipse.org". Eclipse has many components, each of which has its own version number. The core is the Eclipse Platform
sh...
How do I disable orientation change on Android?
...t"
android:configChanges="keyboardHidden|orientation|screenSize">
From Developer guide Handling the Configuration Change Yourself
Caution: Beginning with Android 3.2 (API level 13), the "screen size"
also changes when the device switches between portrait and landscape
orientation. ...
How the single threaded non blocking IO model works in Node.js
...t/context the notified event belongs to and proceed processing the request from there. Note that this will necessarily mean you'll be on a different stack frame from the one that originated the request to the OS as the latter had to yield to a process' dispatcher in order for a single threaded proce...