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How to update a record using sequelize for node?
...tp://docs.sequelizejs.com/en/latest/api/model/#updatevalues-options-promisearrayaffectedcount-affectedrows
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How to convert a color integer to a hex String in Android?
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Try Integer.toHexString()
Source:
In Java, how do I convert a byte array to a string of hex digits while keeping leading zeros?
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Algorithm to get the excel-like column name of a number
...e other way:
function letters_to_num($letters) {
$num = 0;
$arr = array_reverse(str_split($letters));
for ($i = 0; $i < count($arr); $i++) {
$num += (ord(strtolower($arr[$i])) - 96) * (pow(26,$i));
}
return $num;
}
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C++ compiling on Windows and Linux: ifdef switch [duplicate]
...0x) keyword. Or you may implement custom STATIC_ASSERT, or just declare an array of size 0, or have switch that has duplicate cases. In short, produce error at compile time and not at runtime
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How to get maximum value from the Collection (for example ArrayList)?
There is an ArrayList which stores integer values. I need to find the maximum value in this list. E.g. suppose the arrayList stored values are : 10, 20, 30, 40, 50 and the max
value would be 50 .
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LAST_INSERT_ID() MySQL
...G these rows with the last_id_insert generated in the insert.
$element = array(some ids)
foreach ($element as $e){
UPDATE Table2 SET column1 = @last_id_in_table1 WHERE id = $e
}
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open read and close a file in 1 line of code
...pen("/etc/hosts","r") as f: x = f.read().splitlines()
which gives you an array x containing the lines, and can be printed like so:
for line in x: print line
These one-liners are very helpful for maintenance - basically self-documenting.
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How to calculate cumulative normal distribution?
...zero.
If you need the inverse CDF:
>>> norm.ppf(norm.cdf(1.96))
array(1.9599999999999991)
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Easiest way to convert a List to a Set in Java
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Using java 8 you can use stream:
List<Integer> mylist = Arrays.asList(100, 101, 102);
Set<Integer> myset = mylist.stream().collect(Collectors.toSet()));
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LINQ order by null column where order is ascending and nulls should be last
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my decision:
Array = _context.Products.OrderByDescending(p => p.Val ?? float.MinValue)
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