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What is the difference D3 datum vs. data?
...ntations. In the example below for example I could achieve the same result my looping on the original array and accessing the data by index like so:
data.map((n, i) => {
el
.append('div')
.classed('a', true)
.datum(data)
.text(d => `node-${n} => data: ${d[i]}`);
});
Try it here:...
What is the dependency inversion principle and why is it important?
...e practice of abstracting dependencies through the use of interfaces (e.g. MyService → [ILogger ⇐ Logger]). While this decouples a component from the specific implementation detail of the dependency, it does not invert the relationship between the consumer and dependency (e.g. [MyService → IM...
How to implement a queue using two stacks?
...ation of Stack so the example here is going to reinvent the wheel;
C - 1) MyStack class : A Simple Stack Implementation
public class MyStack<T> {
// inner generic Node class
private class Node<T> {
T data;
Node<T> next;
public Node(T data) {
...
What do Clustered and Non clustered index actually mean?
...er.
The above quote from SQL Server books online causes much confusion
In my opinion, it would be much better phrased as.
There can be only one clustered index per table because the leaf level rows of the clustered index are the table rows.
The book's online quote is not incorrect but you should ...
Break a previous commit into multiple commits
...ha1 65dfb6a. Knowing that, I can check out the content of that commit over my working directory using the form of git checkout which takes both a commit and a file location. Here I use . as the file location to replace the whole working copy:
git checkout 65dfb6a .
Don't miss the dot on the end!
...
Difference between jQuery `click`, `bind`, `live`, `delegate`, `trigger` and `on` functions (with an
... method is more interesting. Consider the following example:
<a class="myLink">A link!</a>
<a id="another">Another link!</a>
<script>
$("a.myLink").click( function() { alert( 'Click!' ); } );
$("a#another").addClass( "myLink" );
</script>
After the se...
How do I determine the size of an object in Python?
...Types, Recursive visitor (old implementation)
To cover most of these types myself, instead of relying on the gc module, I wrote this recursive function to try to estimate the size of most Python objects, including most builtins, types in the collections module, and custom types (slotted and otherwis...
Is cout synchronized/thread-safe?
...: We're in agreement there -- it's synchronized with the underlying C API. My point is that it's not "synchronized" in a useful manner, i.e. one still needs manual synchronization if they don't want garbage data.
– ildjarn
Jun 16 '11 at 18:35
...
Passing Data between View Controllers
...iew controllers. If I do learn of any major changes like that, I'll update my answer.
– Suragch
Dec 8 '15 at 11:23
2
...
What is the difference between “INNER JOIN” and “OUTER JOIN”?
...ess of whether or not the other table has a matching value.
Image Source
MySQL 8.0 Reference Manual - Join Syntax
Oracle Join operations
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