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Datatable vs Dataset
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One feature of the DataSet is that if you can call multiple select statements in your stored procedures, the DataSet will have one DataTable for each.
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Waiting on a list of Future
...f you have Future instances, you can't apply this method. It's not easy to convert Future into CompletableFuture.
– Jarekczek
May 1 '18 at 12:54
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How to Correctly Use Lists in R?
...dresses the question of the difference between [] and [[]].
In short [[]] selects a single item from a list and [] returns a list of the selected items. In your example, x = list(1, 2, 3, 4)' item 1 is a single integer but x[[1]] returns a single 1 and x[1] returns a list with only one value.
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What is the correct way to get a subarray in Scala?
...irst n elements with take(n: Int)
array.take(4) // Array('a','b','c','d')
Select any interval of elements with slice(from: Int, until: Int). Note that until is excluded.
array.slice(2,4) // Array('c','d')
The slice method is stricly equivalent to:
array.take(4).drop(2) // Array('c','d')
Exclude t...
How to create .pfx file from certificate and private key?
... simple.
Under the SSL tab, I first Imported the Certificate. Then once I selected the Certificate I was able to export as a PFX, both with and without a keyfile.
https://www.digicert.com/util
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The best way to remove duplicate values from NSMutableArray in Objective-C?
... *orderedSet = [NSOrderedSet orderedSetWithArray:yourArray];
You can now convert it back to a unique NSArray
NSArray *uniqueArray = orderedSet.array;
Or just use the orderedSet because it has the same methods like an NSArray like objectAtIndex:, firstObject and so on.
A membership check with c...
Can I change all my http:// links to just //?
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I'm finding that IE6 attempts to convert the URI to a relative one (i.e. removing one of the leading slashes). This is in a link element. For example, when specifying //fonts.googleapis.com/css?family=Rokkitt:400,700, IE6 tries to load http://mysite.com/font...
How do I remove the “extended attributes” on a file in Mac OS X?
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Answer (Individual Files)
1. Showcase keys to use in selection.
xattr ~/Desktop/screenshot\ 2019-10-23\ at\ 010212.png
# com.apple.FinderInfo
# com.apple.lastuseddate#PS
# com.apple.metadata:kMDItemIsScreenCapture
# com.apple.metadata:kMDItemScreenCaptureGlobal...
Access restriction on class due to restriction on required library rt.jar?
...ings in the project properties.
Remove the JRE System Library
Add it back; Select "Add Library" and select the JRE System Library. The default worked for me.
This works because you have multiple classes in different jar files. Removing and re-adding the JRE lib will make the right classes be first...
Pagination on a list using ng-repeat
...l="q" id="search" class="form-control" placeholder="Filter text">
<select ng-model="pageSize" id="pageSize" class="form-control">
<option value="5">5</option>
<option value="10">10</option>
<option value="15">15</option>
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