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How can I extend typed Arrays in Swift?
...library/prerelease/ios/documentation/Swift/Reference/Swift_Array_Structure/index.html#//apple_ref/swift/struct/s:Sa)... so I'm still a little unsure.
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Show MySQL host via SQL Command
...e parts:
-- delivers the "remote_host" e.g. "localhost"
SELECT SUBSTRING_INDEX(USER(), '@', -1)
-- delivers the user-name e.g. "myuser"
SELECT SUBSTRING_INDEX(USER(), '@', 1)
if you are conneting via ip address you will get the ipadress instead of the hostname.
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What algorithms compute directions from point A to point B on a map?
...oughly half the work (2*pi*(r/2)^2 vs pi*r^2).
To avoid exploring the back-alleys of every city between your source and destination, you can have several layers of map data: A 'highways' layer that contains only highways, a 'secondary' layer that contains only secondary streets, and so forth. Then, ...
Fetch frame count with ffmpeg
...rent time while you go.
Alternatively, you can try AVFormatContext->nb_index_entries or the detected duration, which should work on fine at least undamaged AVI/MOV, or the library FFMS2, which is probably too slow to bother with for a progress bar.
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Django - limiting query results
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I tried this and got "Negative indexing is not supported."
– bparker
Mar 10 '19 at 19:32
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Simplest code for array intersection in javascript
...e => array2.includes(value))
For older browsers, with Array.prototype.indexOf and without an arrow function:
array1.filter(function(n) {
return array2.indexOf(n) !== -1;
})
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slashes in url variables
...der.encode(url, "UTF-8")
Then you can say
yourUrl = "www.musicExplained/index.cfm/artist/" + URLEncoder.encode(VariableName, "UTF-8")
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Git: show more context when using git add -i or git add -e?
... this is still not possible in 2019.
An external tool like jjlee/git-meld-index can help:
git-meld-index runs meld -- or any other git difftool (kdiff3, diffuse, etc.) -- to allow you to interactively stage changes to the git index (also known as the git staging area).
This is similar to the...
Which is faster: multiple single INSERTs or one multiple-row INSERT?
...: (2)
Parsing query: (2)
Inserting row: (1 × size of row)
Inserting indexes: (1 × number of indexes)
Closing: (1)
From this it should be obvious, that sending one large statement will save you an overhead of 7 per insert statement, which in further reading the text also says:
If y...
Java Map equivalent in C#
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You can index Dictionary, you didn't need 'get'.
Dictionary<string,string> example = new Dictionary<string,string>();
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example.Add("hello","world");
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Console.Writeline(example["hello"]);
An efficient way to test/...