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Which is faster: multiple single INSERTs or one multiple-row INSERT?
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I know I'm answering this question almost two and a half years after it was asked, but I just wanted to provide some hard data from a project I'm working on right now that shows that indeed doing multiple VALUE blocks per insert...
Can I change the fill color of an svg path with CSS?
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@KenBellows That is true, I've learned that now. One thing to note is that we need to use SVG specific properties in the CSS otherwise it won't work. For example, to change the background color you use fill: #000; instead of background: #000;.
– R...
What is the fastest way to compare two sets in Java?
...eAll(firstSet);
If the contents of one and two are both empty, then you know that the two sets were equal. If not, then you've got the elements that made the sets unequal.
You mentioned that the number of records might be high. If the underlying implementation is a HashSet then the fetching of ea...
implements Closeable or implements AutoCloseable
...se() throws Exception {
System.out.println("Closing!");
}
}
Now you can say:
try (MyResource res = new MyResource()) {
// use resource here
}
and JVM will call close() automatically for you.
Closeable is an older interface. For some reason To preserve backward compatibility, l...
Why do you need ./ (dot-slash) before executable or script name to run it in bash?
... the path does not contain / (e.g. someprog): PATH is used and CWD isn't
Now, suppose that running:
someprog
would search:
relative to CWD first
relative to PATH after
Then, if you wanted to run /bin/someprog from your distro, and you did:
someprog
it would sometimes work, but others it ...
WebAPI Multiple Put/Post parameters
...@H.Al No, Newtonsoft.Json can have any kind of json data that the library knows about translation. You can not prevent sending data. It depends on you to use the incoming data
– Fatih GÜRDAL
Nov 16 '17 at 7:07
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Merge/flatten an array of arrays
... native method called flat to do this exactly.
(As of late 2019, flat is now published in the ECMA 2019 standard, and core-js@3 (babel's library) includes it in their polyfill library)
const arr1 = [1, 2, [3, 4]];
arr1.flat();
// [1, 2, 3, 4]
const arr2 = [1, 2, [3, 4, [5, 6]]];
arr2.flat();
/...
How to check if an array field contains a unique value or another array in MongoDB?
I am using mongodb now.
2 Answers
2
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How to add test coverage to a private constructor?
...ay, some managers look at the coverage numbers. They don't care why. They know that 85% is better than 75%.
– ACV
Mar 9 '16 at 12:47
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How to detect Adblock on my website?
...date on 2019-02-15:
Added Ghostery in the list above because the extension now also blocks requests to ads.js. Very handy. Does this mean that Ghostery is actually helping us devs to detect the blocking of ads with their extension?
Does not work with:
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