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Eventual consistency in plain English
...ink you have an application and its replica. Then you have to add new data item to the application.
Then application synchronises the data to other replica show in below
Meanwhile new client going to get data from one replica that not update yet. In that case he cant get correct up date data....
How do I count unique values inside a list
...ict = {'a': 2, 'b': 1, 'c': 1} you can do count_dict = dict(Counter(words).items())
– Peter
Aug 4 at 19:32
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How to sum all the values in a dictionary?
...
d = {'key1': 1,'key2': 14,'key3': 47}
sum1 = sum(d[item] for item in d)
print(sum1)
you can do it using the for loop
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How to validate inputs dynamically created using ng-repeat, ng-show (angular)
...ear, this answer not being selected, is not indicative of it not being the best answer. It was just posted almost 2 years after the question was originally asked. I would consider both this answer and tomGreen's in addition to the selected answer if you run into this same issue.
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When use getOne and findOne methods Spring Data JPA
...gy is really board and JPA API doesn't specify any getOne() method.
So the best thing to do to understand what the Spring wrapper does is looking into the implementation :
@Override
public T getOne(ID id) {
Assert.notNull(id, ID_MUST_NOT_BE_NULL);
return em.getReference(getDomainClass(), id...
How to iterate over array of objects in Handlebars?
...tion:
I re-structure my array of object like this:
let list = results.map((item)=>{
return { name:item.name, author:item.author }
});
and then in template file:
{{#each list}}
<tr>
<td>{{name }}</td>
<td>{{author}}</td>
</tr>
...
What is the proper way to re-throw an exception in C#? [duplicate]
...ers with 5+ years experience who don't truly understand exception handling best practices. I can't explain how much I want to poke my eyes out when I see try/catches that either swallow the exception without logging or rethrow the exception without doing anything of value in the catch.
...
What is HTML5 ARIA?
...lt;!-- Rule 2A: "File" label via aria-labelledby -->
<li role="menuitem" aria-haspopup="true" aria-labelledby="fileLabel"><span id="fileLabel">File</span>
<ul role="menu">
<!-- Rule 2C: "New" label via Namefrom:contents -->
<li role="menuitem" a...
What are all the differences between src and data-src attributes?
...oo.jpg" data-src="http://mydomain.com/foo.jpg">
<script>
var item = document.getElementById("myImage");
// switch the image to the URL specified in data-src
item.src = item.dataset.src;
</script>
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Can hash tables really be O(1)?
...s here, m and n, where m is the length of the input and n is the number of items in the hash.
The O(1) lookup performance claim makes at least two assumptions:
Your objects can be equality compared in O(1) time.
There will be few hash collisions.
If your objects are variable size and an equalit...