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Using LINQ to concatenate strings
...ave support for aggregates. Both VB and C# support aggregates as extension methods. Using the dot-notation, one simply calls a method on an IEnumerable object.
Remember that aggregate queries are executed immediately.
More information - MSDN: Aggregate Queries
If you really want to use Aggregat...
Reflection: How to Invoke Method with parameters
I am trying to invoke a method via reflection with parameters and I get:
10 Answers
10...
How to tell if UIViewController's view is visible
...visible, so check the main view in the view controller:
Invoking the view method causes the view to load (if it is not loaded) which is unnecessary and may be undesirable. It would be better to check first to see if it is already loaded. I've added the call to isViewLoaded to avoid this problem.
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How to remove folders with a certain name
In Linux, how do I remove folders with a certain name which are nested deep in a folder hierarchy?
11 Answers
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Saving enum from select in Rails 4.1
...ys.to_a
Which generated the following HTML:
<select id="wine_color" name="wine[color]">
<option value=""></option>
<option value="red">red</option>
<option value="white">white</option>
<option value="sparkling">sparkling</option>
</s...
Do on-demand Mac OS X cloud services exist, comparable to Amazon's EC2 on-demand instances? [closed]
...
I just came across this tonight. Can't say if they are legit, how long in business, and whether they'll be around long, but seems interesting. I may give them a try, and will post update if I do.
Per the website, they say they offer ...
How can I get the ID of an element using jQuery?
...
The jQuery way:
$('#test').attr('id')
In your example:
$(document).ready(function() {
console.log($('#test').attr('id'));
});
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<div id="test"></div>
Or through ...
MongoDB logging all queries
...profile.find().pretty()
Source: http://docs.mongodb.org/manual/reference/method/db.setProfilingLevel/
db.setProfilingLevel(2) means "log all operations".
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Under what circumstances are linked lists useful?
Most times I see people try to use linked lists, it seems to me like a poor (or very poor) choice. Perhaps it would be useful to explore the circumstances under which a linked list is or is not a good choice of data structure.
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How to remove an element slowly with jQuery?
$target.remove() can remove the element,but now I want the process to be down with some feel animation,how to do it?
8 Ans...