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Convert List into Comma-Separated String
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329
Enjoy!
Console.WriteLine(String.Join(",", new List<uint> { 1, 2, 3, 4, 5 }));
First P...
“INSERT IGNORE” vs “INSERT … ON DUPLICATE KEY UPDATE”
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1003
I would recommend using INSERT...ON DUPLICATE KEY UPDATE.
If you use INSERT IGNORE, then the ro...
Laravel migration: unique key is too long, even if specified
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38 Answers
38
Active
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What is tail recursion?
...ple function that adds the first N natural numbers. (e.g. sum(5) = 1 + 2 + 3 + 4 + 5 = 15).
Here is a simple JavaScript implementation that uses recursion:
function recsum(x) {
if (x === 1) {
return x;
} else {
return x + recsum(x - 1);
}
}
If you called recsum(5), th...
Why isn't my Pandas 'apply' function referencing multiple columns working? [closed]
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381
Seems you forgot the '' of your string.
In [43]: df['Value'] = df.apply(lambda row: my_test(r...
Why does changing the sum order returns a different result?
...nd then rounded to the nearest representable number. Here are two sums:
1/3 + 2/3 + 2/3 = (0.3333 + 0.6667) + 0.6667
= 1.000 + 0.6667 (no rounding needed!)
= 1.667 (where 1.6667 is rounded to 1.667)
2/3 + 2/3 + 1/3 = (0.6667 + 0.6667) + 0.3333
= 1.33...
Left Align Cells in UICollectionView
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answered Mar 15 '16 at 16:23
Angel G. OlloquiAngel G. Olloqui
6,98033 gold badges2727 silver badges3030 bronze badges
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How to fix: “No suitable driver found for jdbc:mysql://localhost/dbname” error when using pools? [du
...ht_exceptionsuncaught_exceptions
19.9k44 gold badges3636 silver badges4848 bronze badges
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Getting name of the class from an instance
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398
NSStringFromClass([instance class]) should do the trick.
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Generate random string/characters in JavaScript
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