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How to change the CHARACTER SET (and COLLATION) throughout a database?
...the utf8 character set is only a subset of the real UTF8 character set. In order to save one byte of storage, the Mysql team decided to store only three bytes of a UTF8 characters instead of the full four-bytes. That means that some east asian language and emoji aren't fully supported. To make sure ...
New Array from Index Range Swift
... ArraySlice).
Therefore, you can use subscript(_:) with init(_:) in order to get a new array from the first n elements of an array:
let array = Array(10...14) // [10, 11, 12, 13, 14]
let arraySlice = array[0..<3] // using Range
//let arraySlice = array[0...2] // using ClosedRange also wor...
How to printf “unsigned long” in C?
...ifier l, it then accepts an unsigned long int. The letters must be in that order: percent, length, conversion. (There are a few more options, such as width and precision, that you can add. See the man page, as it documents all this precisely!)
– Thanatos
Feb 14...
TSQL - Cast string to integer or return default value
...ng main differences:
My logic does not tolerate occurrences of . or , in order to mimic the behaviour of native INT conversions. '1,234' and '1234.0' return NULL.
Since it does not use local variables, my function can be defined as an inline table-valued function, allowing for better query optimiz...
Get local IP address
...de still holds as valid, though it would be prudent to add a try..catch in order to handle such a situation, and return something like "127.0.0.1" if a SocketException were thrown.
– Russ
Sep 1 '16 at 13:38
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Difference between a Seq and a List in Scala
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A Seq is an Iterable that has a defined order of elements. Sequences provide a method apply() for indexing, ranging from 0 up to the length of the sequence. Seq has many subclasses including Queue, Range, List, Stack, and LinkedList.
A List is a Seq that is implem...
Why does the 260 character path length limit exist in Windows?
... is defined as 260 characters. A local path is structured in the following order: drive letter, colon, backslash, name components separated by backslashes, and a terminating null character. For example, the maximum path on drive D is "D:\some 256-character path string<NUL>" where "<NUL>"...
When should I use the new keyword in C++?
... function returns, the following will happen:
First, b2 goes out of scope (order of destruction is always opposite of order of construction). But b2 is just a pointer, so nothing happens, the memory it occupies is simply freed. And importantly, the memory it points to (the bar instance on the heap) ...
mongodb, replicates and error: { “$err” : “not master and slaveOk=false”, “code” : 13435 }
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How can I listen to the form submit event in javascript?
...="100%" height="100%" src="http://jsfiddle.net/DerekL/wnbo1hq0/show" frameborder="0"></iframe>
AngularJS (1.x)
<form ng-submit="callback()">
$scope.callback = function(){ /*...*/ };
Very straightforward, where $scope is the scope provided by the framework inside your contr...