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Is it more efficient to copy a vector by reserving and copying, or by creating and swapping? [duplic
...contrast, std::swap(a, b) would exchange their contents (so b's size would now be whatever a's had been before). You are perhaps thinking of a move operation (as occurs in C++11, but not in an ordinary assignment like this). Such a move would leave b in an, ahem, "interesting" state - see stackoverf...
What is the simplest SQL Query to find the second largest value?
... BY `column`
ORDER BY `column` DESC
LIMIT 1,1
Update:
SQL Server 2012 now supports a much cleaner (and standard) OFFSET/FETCH syntax:
SELECT TOP 2 [column]
FROM [Table]
GROUP BY [column]
ORDER BY [column] DESC
OFFSET 1 ROWS
FETCH NEXT 1 ROWS ONLY;
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Preserve Line Breaks From TextArea When Writing To MySQL
...
I believe UTF-8 is now the default in PHP. But of course it doesn't hurt to be explicit.
– ProfileTwist
Jan 9 '14 at 20:20
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For each row return the column name of the largest value
I have a roster of employees, and I need to know at what department they are in most often. It is trivial to tabulate employee ID against department name, but it is trickier to return the department name, rather than the number of roster counts, from the frequency table. A simple example below (colu...
nginx - nginx: [emerg] bind() to [::]:80 failed (98: Address already in use)
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I was taking 404 Not Found, and I used your suggestion, now I did fix my problem. Thanks.
– Bay
Nov 23 '18 at 7:40
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How to pass parameters to a view
...er attached automatically to the view (see issue 2458 for discussion). You now need to attach the options of each view manually:
MenuView = Backbone.View.extend({
initialize: function(options) {
_.extend(this, _.pick(options, "position", ...));
}
});
new MenuView({
collection: ...
Is “Java Concurrency In Practice” still valid? [closed]
...ersions of Java than new versions of the book, so I'm focusing on that for now. Maybe after Project Loom delivers, it'll be different.
– Brian Goetz
Dec 7 '18 at 15:19
4
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Replace a string in a file with nodejs
I use the md5 grunt task to generate MD5 filenames. Now I want to rename the sources in the HTML file with the new filename in the callback of the task. I wonder what's the easiest way to do this.
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onIabPurchaseFinished never called.
... had the same issue and that worked perfect. But what i want to know is why doesnt the call back get executed like one would assume, why do we have to make the call to that our self? Kind of makes the callback useless :/
– Spider
Mar 21 '13 at 1:37
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Can I inject a service into a directive in AngularJS?
...t service to get whatever service you like. I find that useful if I don't know the service name ahead of time but know the service interface. For example a directive that will plug a table into an ngResource end point or a generic delete-record button which interacts with any api end point. You don...