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How can I remove all objects but one from the workspace in R?
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whoah, that seems dangerous! Is there a way to test the pattern matching a la "echo" in the shell?
– DQdlM
Dec 11 '14 at 11:57
1
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How do I paste multi-line bash codes into terminal and run it all at once?
...xt automatically gets continued with a prepending > for each line. I've tested with multiple lines with commands per line, functions and entire scripts. Hope this helps others save some time!
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How do I get the time of day in javascript/Node.js?
...ser3125367 your suggestion while concise is not actually the same. I just tested it, and getDateTime() returned: 2020:06:10:10:12:35 whereas, yours returned: 2020:06:10:00:12:35 It seems it did not consider time zone adjustments.
– John Forbes
Jun 10 at 0:13
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Changing cursor to waiting in javascript/jquery
...k(function() {
$("body").css("cursor", "progress");
$.ajax({
url: "test.html",
context: document.body,
success: function() {
$("body").css("cursor", "default");
}
});
});
This will create a loading cursor till your ajax call succeeds.
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How to delete migration files in Rails 3
...ust revert it on all environments it already ran (production, development, testing, staging, etc) before deleting its file. That's also why I wrote that it's safer to just create another migration to revert that old one, once it's already ran on production.
– Fábio Batista
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How to change font size in Eclipse for Java text editors?
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tested on Version: Indigo Service Release 2 on 12-12-2012 good answer
– shareef
Jan 11 '13 at 12:01
1
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python capitalize first letter only
... @Jan-PhilipGehrcke: in which case, next((i for i,e in enumerate(test) if not e.isdigit()), '0') solves it for the empty string case
– njzk2
Oct 1 '14 at 22:19
6
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Ruby's ||= (or equals) in JavaScript?
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I believe teardown needs to be explicit on jsperf so this test should show the short circuit performance. My guess is that V8 has a special optimization for the form a = a || b.
– jchook
Mar 9 '16 at 2:31
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How do I remove duplicates from a C# array?
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The following tested and working code will remove duplicates from an array. You must include the System.Collections namespace.
string[] sArray = {"a", "b", "b", "c", "c", "d", "e", "f", "f"};
var sList = new ArrayList();
for (int i = 0; ...
Php multiple delimiters in explode
... )
)
);
}
It's sort of unreadable, I guess, but I tested it as working over here.
One-liners ftw!
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