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Convert javascript array to string
...", "bbb": "222", "ccc": "333" };
var blkstr = [];
$.each(value, function(idx2,val2) {
var str = idx2 + ":" + val2;
blkstr.push(str);
});
console.log(blkstr.join(", "));
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js"></script>...
Asynchronous vs Multithreading - Is there a difference?
...guage, object model (if any), and run time environment.
Asynchronous just means the calling thread doesn't sit and wait for the response, nor does the asynchronous activity happen in the calling thread.
Beyond that, you're going to need to get more specific.
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Elegant way to check for missing packages and install them?
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@NealBarsch if you mean the if (!require("pacman")) install.packages("pacman") there's a function in pacman called p_boot() that maks this line for you automagically and copies it to the clipboard.
– Tyler Rinker
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How to get all subsets of a set? (powerset)
...would look like this, say:
print(list(powerset([4, 5, 6])))
Using yield means that you do not need to calculate all results in a single piece of memory. Precalculating the masks outside the main loop is assumed to be a worthwhile optimization.
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Where is C not a subset of C++? [closed]
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it's true, but that's exactly what subset means.
– yeyeyerman
Jul 29 '09 at 17:13
20
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How to use a dot “.” to access members of dictionary?
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This would make hasattr(Map, 'anystring') is true. which means the hasattr would always return True due to overriding __getattr__`
– Xiao
Nov 7 '18 at 5:51
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What is a “callable”?
... associated concept that I use all the time without knowing what it really means.
12 Answers
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How to stop tracking and ignore changes to a file in Git?
...mand(did not work), when i check with git status the files are not showing means the command worked. But when i pull the code again from git origin repo it gives me error that your local changes would be overwritten in those 2 files as well so that means it is not untracking right?
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This Row already belongs to another table error when trying to add rows?
...ill be added or exception thrown.
var drFail = dt.NewRow()
drFail["CustomerID"] = "[Your data here]";
// dt.Rows.Add(row); // Uncomment for import to succeed.
myTable.ImportRow(drFail);
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Why are dates calculated from January 1st, 1970?
...ginning of 1970 is popular, probably because of its use by Unix. But by no means is that dominant. For example:
Countless millions (billions?) of Microsoft Excel & Lotus 1-2-3 documents use January 0, 1900 (December 31, 1899).
The world now has over a billion iOS/OS X devices using the Cocoa (N...