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Is there a way to check which CSS styles are being used or not used on a web page?
.../github.com/shashwatsahai/CSSExtractor/ This tool helps in getting the CSS from a specific page listing all sources for active styles and save it to a JSON with source as key and rules as value. It loads all the CSS from the href links and tells all the styles applied from them You can modify the co...
How do I create a new Git branch from an old commit? [duplicate]
I have a Git branch called jzbranch and have an old commit id: a9c146a09505837ec03b .
1 Answer
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What does a . in an import statement in Python mean?
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That's the new syntax for explicit relative imports. It means import from the current package.
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Why are arrays covariant but generics are invariant?
From Effective Java by Joshua Bloch,
9 Answers
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How to make ThreadPoolExecutor's submit() method block if it is saturated?
...ent.ThreadPoolExecutor#runWorker(Worker w), before taking the next element from the queue (looking at the source code of openjdk 1.7.0.6).
– Jaan
Jul 5 '13 at 16:34
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Alarm Manager Example
...t.ALARM_SERVICE);
alarmManager.cancel(sender);
}
}
Set Alarm from Service:
package yourPackage;
import android.app.Service;
import android.content.Context;
import android.content.Intent;
import android.os.IBinder;
public class YourService extends Service
{
Alarm alarm = new Alar...
Rails: where does the infamous “current_user” come from?
... that there are a lot of references to current_user . Does this only come from Devise? and do I have to manually define it myself even if I use Devise? Are there prerequisites to using current_user (like the existence of sessions, users, etc)?
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Exploring Docker container's file system
... container or what files exist in there. One example is downloading images from the docker index - you don't have a clue what the image contains so it's impossible to start the application.
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Where/How to getIntent().getExtras() in an Android Fragment? [duplicate]
... what Google intended for developers to do too, is to still get the extras from an Intent in an Activity and then pass any extra data to fragments by instantiating them with arguments.
There's actually an example on the Android dev blog that illustrates this concept, and you'll see this in several ...
Big-O for Eight Year Olds? [duplicate]
...y to understanding that you also have these constants A and B, which arise from the specific implementation. B represents essentially the "constant overhead" of your operation, for example some preprocessing that you do that doesn't depend on the size of the collection. A represents the speed of you...