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What is the difference between “expose” and “publish” in Docker?
I'm experimenting with Dockerfiles, and I think I understand most of the logic. However, I don't see the difference between "exposing" and "publishing" a port in this context.
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Utility classes are evil? [closed]
...tation for your classes. You can implement your debug printers in a single file which depends on all those classes and a printer library. Non-debugging code won't be burdened with the dependencies of this implementation.
– Jo So
Feb 13 '16 at 16:39
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Can I get the name of the current controller in the view?
...hange the p tag in 'home' controller and 'index' action.
Inside index.scss file adds.
.nameOfController-nameOfAction <tag> { }
.home-index p {
color:red !important;
}
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Should a “static final Logger” be declared in UPPER-CASE?
...ng square bracket).
Examples:
MIN_VALUE, MAX_BUFFER_SIZE, OPTIONS_FILE_NAME
Following this convention, logger is a static final object reference as stated in point 2, but because it is followed by "." everytime you use it, it can not be considered as a constant and thus should be lower c...
Counting the Number of keywords in a dictionary in python
...eys())
or just
len(yourdict)
If you like to count unique words in the file, you could just use set and do like
len(set(open(yourdictfile).read().split()))
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How can Bash execute a command in a different directory context?
...rectory is very important for running it correctly. The script affects the files that live inside the directory it is run within.
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Setting different color for each series in scatter plot on matplotlib
...draw.
the command pyplot.scatter return a PatchCollection Object, in the file "matplotlib/collections.py" a private variable _facecolors in Collection class and a method set_facecolors.
so whenever you have a scatter points to draw you can do this:
# rgbaArr is a N*4 array of float numbers you ...
What does `node --harmony` do?
...harmony enables new ECMAScript 6 features in the language. The reason your file won't run without harmony is because app.js is probably using non-backward compatible features from the new ECMAScript 6 standard (like block scoping, proxies, sets, maps, etc.)
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Static way to get 'Context' in Android?
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Do this:
In the Android Manifest file, declare the following.
<application android:name="com.xyz.MyApplication">
</application>
Then write the class:
public class MyApplication extends Application {
private static Context context;
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What is the IntelliJ shortcut key to create a javadoc comment?
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Do I have to select something? Even if I select the whole file content or select nothing, nothing happens if I run this action. May I am missing something
– Honsa Stunna
Jun 18 '19 at 11:46
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