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Understanding Spliterator, Collector and Stream in Java 8
...ectors include:
summing, e.g. Collectors.reducing(0, (x, y) -> x + y)
StringBuilder appending, e.g. Collector.of(StringBuilder::new, StringBuilder::append, StringBuilder::append, StringBuilder::toString)
share
...
Bash script to calculate time elapsed
...t of an arithmetic operation. You're using $() which is simply taking the string and evaluating it as a command. It's a bit of a subtle distinction. Hope this helps.
As tink pointed out in the comments on this answer, $[] is deprecated, and $(()) should be favored.
...
How can I get Knockout JS to data-bind on keypress instead of lost-focus?
...fines which browser event KO should use to detect changes. The
following string values are the most commonly useful choices:
"change" (default) - updates your view model when the user
moves the focus to a different control, or in the case of
elements, immediately after any change
...
Redirect to Action in another controller
...irectToAction broke and I got it to work using the area = "" with an empty string.
– Jonathan Alfaro
Sep 28 '16 at 16:47
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MySQL Query - Records between Today and Last 30 Days
...
DATE_FORMAT returns a string, so you're using two strings in your BETWEEN clause, which isn't going to work as you expect.
Instead, convert the date to your format in the SELECT and do the BETWEEN for the actual dates. For example,
SELECT DATE_F...
How do I check if an integer is even or odd? [closed]
...lyzeEvenness(object o)
{
if (o == null)
return Evenness.Unknown;
string foo = o.ToString();
if (String.IsNullOrEmpty(foo))
return Evenness.Unknown;
char bar = foo[foo.Length - 1];
switch (bar)
{
case '0':
case '2':
case '4':
case '6':
case '8':
...
SQL Server Script to create a new user
...fluid than I make it seem above. For example, a Login account is automatically created (in most SQL Server installations) for the Windows Administrator account when the database is installed. In most situations, I just use that when I am administering a database (it has all privileges).
However...
R object identification
...
str(UCTURE) hard to remember, 'cause I keep thinking "string" but oh, so useful. Will just have to say strUCTURE ten times.
– Dmitri
Aug 15 '15 at 1:01
ad...
MySQL: Transactions vs Locking Tables
...is transferred. And the bank's account, into which they'll happily deposit all the service fees charged on the transaction. Given (as everyone knows these days) that banks are extraordinarily stupid, let's say their system works like this:
$balance = "GET BALANCE FROM your ACCOUNT";
if ($balance &l...
GetProperties() to return all properties for an interface inheritance hierarchy
... static public PropertyInfo GetPropertyOrInterfaceProperty(this Type type, string propertyName, BindingFlags bindingAttr = BindingFlags.Public|BindingFlags.Instance)
{
if (!type.IsInterface) {
return type.GetProperty(propertyName, bindingAttr);
}
return type....