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How to sort a list in Scala by two fields?
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@SachinK: you have to create your own Ordering for Row class and use it with sorted method like this: rows.sorted(customOrdering). You could also use custom Ordering for Tuple2 like this: rows.sortBy(r => (r.lastName, r.firstName))( Ordering.Tuple2(Ordering.St...
HTML-encoding lost when attribute read from input field
...his implementation of a replaceAll method:
http://dumpsite.com/forum/index.php?topic=4.msg29#msg29
(also referenced here: Fastest method to replace all instances of a character in a string)
Some performance results here:
http://jsperf.com/htmlencoderegex/25
It gives identical result string to the b...
Where does Scala look for implicits?
...mple of type class pattern. Another example on Scala's standard library is Ordering. There's a library that makes heavy use of this pattern, called Scalaz.
This is an example of its use:
def sum[T](list: List[T])(implicit integral: Integral[T]): T = {
import integral._ // get the implicits i...
How to set the thumbnail image on HTML5 video?
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<?php
$thumbs_dir = 'E:/xampp/htdocs/uploads/thumbs/';
$videos = array();
if (isset($_POST["name"])) {
if (!preg_match('/data:([^;]*);base64,(.*)/', $_POST['data'], $matches)) {
die("error");
}
$data = $matches[2];
$data ...
Understanding Python super() with __init__() methods [duplicate]
... will call the correct next parent class function in the Method Resolution Order (MRO).
In Python 3, we can call it like this:
class ChildB(Base):
def __init__(self):
super().__init__()
In Python 2, we are required to use it like this:
super(ChildB, self).__init__()
Without super...
How to run a shell script on a Unix console or Mac terminal?
...er from the same folder, still using #!hashbang in scripts.
As example a php7.2 executable copied from /usr/bin is in a folder along a hello script.
#!./php7.2
<?php
echo "Hello!";
To run it:
./hello
Which behave just as equal as:
./php7.2 hello
...
How do I append one string to another in Python?
...'t help at all when what I'm trying to do is the rough equivalent of, say, PHP/perl's "string .= verifydata()" or similar.
– Shadur
Feb 23 '16 at 8:42
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Submitting HTML form using Jquery AJAX
...PDATING/UPSERTING DATA, and DELETING DATA. A default HTML/ASP.Net webform/PHP/Python or any other form action is to "submit" which is a POST action. Because of this the below will all describe doing a POST. Sometimes however with http you might want a different action and would likely want to uti...
How to organize a node app that uses sequelize?
...ions for specific data providers. E.g. you can request certain data from a PHP file on a local machine or from Facebook API or from Amazon AWS or from remote HTML document, etc.
PS some of these ideas were borrowed from Architect by Cloud9: http://events.yandex.ru/talks/300/
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【解决】Linux mysql如何重置root密码？ - 更多技术 - 清泛网 - 专注C/C++及内核技术
...密码，如无意外，你应该可以正常登录到数据库中。
php,mysql,root