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Difference between android.app.Fragment and android.support.v4.app.Fragment
...lass in the android support library, which is a compatibility package that allows you to use some of the newer features of Android on older versions of Android.
android.app.Fragment is the Fragment class in the native version of the Android SDK. It was introduced in Android 3 (API 11).
If you want...
jQuery document.ready vs self calling anonymous function
....ready(function(){ ... }); or short $(function(){...});
This Function is called when the DOM is ready which means, you can start to query elements for instance. .ready() will use different ways on different browsers to make sure that the DOM really IS ready.
(function(){ ... })();
That is nothing ...
Should struct definitions go in .h or .c file?
...ou mean global and local visibility? public doesnt make sense in a struct. All structs are public by default.
– BugShotGG
Jul 6 '15 at 16:05
3
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C++ semantics of `static const` vs `const`
In C++ specifically, what are the semantic differences between for example:
2 Answers
...
Should I be concerned about excess, non-running, Docker containers?
...running are not taking any system resources besides disk space.
It is usually good to clean up after yourself, but if you have a lot of them sitting around it shouldn't slow down performance at all.
If you do notice a slow down when running docker commands with lots of stopped containers, it mig...
How can I keep my fork in sync without adding a separate remote?
...:
There isn't anything to compare.
someone:master is up to date with all commits from me:master. Try switching the base for your comparison.
Click on switching the base on this page:
Then you get to see all the commits made to someone/foobar after the day you forked it.
Click on Create p...
How is attr_accessible used in Rails 4?
... away from fat model, thin controller, etc, and towards thin models, and really bloated controllers. You have to write all this stuff for every instance, it doesn't read nicely, and nesting seems to be a pain. The old attr_accessible/attr_accessor in the model system wasn't broken, and didn't need...
How to add a new audio (not mixing) into a video using ffmpeg?
...dio.wav -map 0:v -map 1:a -c:v copy -shortest output.mp4
The -map option allows you to manually select streams / tracks. See FFmpeg Wiki: Map for more info.
This example uses -c:v copy to stream copy (mux) the video. No re-encoding of the video occurs. Quality is preserved and the process is fast....
Maven project.build.directory
...org/apache/maven/model
There you'll find the pom-4.0.0.xml.
It contains all those "short cuts":
<project>
...
<build>
<directory>${project.basedir}/target</directory>
<outputDirectory>${project.build.directory}/classes</outputDirectory>...
static function in C
... /* ok, f2 is in the same translation unit */
/* (basically same .c file) as f1 */
}
int f2(int foo) {
return 42 + foo;
}
main.c:
int f1(int); /* prototype */
int f2(int); /* prototype */
int main(void) {
f1(10); /* ok, f1 is visible to the linker */
f2(1...