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Setting the default Java character encoding
...p; by the time your main method is entered, the character encoding used by String.getBytes() and the default constructors of InputStreamReader and OutputStreamWriter has been permanently cached.
As Edward Grech points out, in a special case like this, the environment variable JAVA_TOOL_OPTIONS can ...
Delete duplicate rows from small table
...
DELETE FROM dupes a
WHERE a.ctid <> (SELECT min(b.ctid)
FROM dupes b
WHERE a.key = b.key);
share
|
improve th...
What should my Objective-C singleton look like? [closed]
...
Another option is to use the +(void)initialize method. From the documentation:
The runtime sends initialize to each class in a program exactly one time just before the class, or any class that inherits from it, is sent its first message from within the ...
Is it possible to Pivot data using LINQ?
...r column ordering
var r = s.Pivot3(e => e.custID, e => e.OrderDate.ToString("MMM-yyyy")
, lst => lst.Sum(e => e.Qty));
// order r(esult) by CustID
(+) generic implementation
(-) definitely slower than Amy B's
Can anyone improve my implementation (i.e. the method does the orderin...
How do I implement a callback in PHP?
... "callable" interchangeably, however, "callback" traditionally refers to a string or array value that acts like a function pointer, referencing a function or class method for future invocation. This has allowed some elements of functional programming since PHP 4. The flavors are:
$cb1 = 'someGlobal...
Create a new object from type parameter in generic class
...ve arguments, you can use.
export class Foo2 {
constructor(public arg1: string, public arg2: number) {
}
bar() {
console.log(this.arg1);
console.log(this.arg2);
}
}
getInstance(Foo, "Hello World", 2).bar();
...
Change auto increment starting number?
...lue, but it has been fixed in 5.6.16 and 5.7.4, see bugs.mysql.com/bug.php?id=69882
– Daniel Vandersluis
Apr 9 '14 at 14:35
3
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What is SELF JOIN and when would you use it? [duplicate]
...e references data in itself.
E.g., an Employee table may have a SupervisorID column that points to the employee that is the boss of the current employee.
To query the data and get information for both people in one row, you could self join like this:
select e1.EmployeeID,
e1.FirstName,
...
Sort an Array by keys based on another Array?
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It works nicely if you have string keys but not for the numerical one. PHP Docs: "If the input arrays have the same string keys, then the later value for that key will overwrite the previous one. If, however, the arrays contain numeric keys, the later v...
$on and $broadcast in angular
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Are there any recommended practices for storing these strings somewhere rather than hardcoding the broadcast message?
– rperryng
Sep 13 '14 at 5:52
8
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