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How do I create an abstract base class in JavaScript?
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can u please explain line by line, if you dont mind, as i am new to OOPs. Thanks!
– React Developer
Oct 17 '14 at 4:06
2
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Branch descriptions in Git
... an editor and edit the text to explain what the branch is for, to be used by various other commands (e.g. request-pull).
Note that it won't work for a detached HEAD branch.
That description is used by the script request-pull: see commit c016814783, but also git merge --log.
request-pull is...
Using psql how do I list extensions installed in a database?
...oid AND c.classoid = 'pg_catalog.pg_extension'::pg_catalog.regclass
ORDER BY 1;
Thanks to https://blog.dbi-services.com/listing-the-extensions-available-in-postgresql/
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How to get the selected index of a RadioGroup in Android
...oup.getCheckedRadioButtonId();
View radioButton = radioButtonGroup.findViewById(radioButtonID);
int idx = radioButtonGroup.indexOfChild(radioButton);
If the RadioGroup contains other Views (like a TextView) then the indexOfChild() method will return wrong index.
To get the selected RadioButton te...
Mongodb Explain for Aggregation framework
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Optimizing pipelines
In general, you can optimize aggregation pipelines by:
Starting a pipeline with a $match stage to restrict processing to relevant documents.
Ensuring the initial $match / $sort stages are supported by an efficient index.
Filtering data early using $match, $limit , and $skip...
Re-doing a reverted merge in Git
...t the merge, but when you want to re-do the merge, you
now need to do it by reverting the revert.
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Default visibility of class methods in PHP
...the default is package-private, one always wonders if it's package-private by design, or the developer just forgot to specify it (specially when dealing with not-so-senior developers). That's why PMD includes rules such as this: pmd.github.io/pmd-5.5.2/pmd-java/rules/java/…
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Java Round up Any Number
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I don't know why you are dividing by 100 but here my assumption int a;
int b = (int) Math.ceil( ((double)a) / 100);
or
int b = (int) Math.ceil( a / 100.0);
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Which is more correct: … OR …
...; around the <h1> and the css display property is block (which it is by default) the entire block (the height of the <h1> and 100% of the width of the container the <h1> resides in) will be clickable.
Historically you could not put a block element inside of an inline element, but ...
Android Studio - Where can I see callstack while debugging an android app?
... behind the toolbar, so I had to change the size from the "variable" panel by dragging its left border to reveal the "Frames/Threads".
[I have to admit, that @Greg added this picture after reviewing my answer!]
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