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What is the status of JSR 305?
...mplementation by adding this to your pom:
<dependency>
<groupId>com.google.code.findbugs</groupId>
<artifactId>jsr305</artifactId>
<version>3.0.0</version>
</dependency>
...
Using psql how do I list extensions installed in a database?
...
FROM pg_catalog.pg_extension e
LEFT JOIN pg_catalog.pg_namespace n ON n.oid = e.extnamespace
LEFT JOIN pg_catalog.pg_description c ON c.objoid = e.oid AND c.classoid = 'pg_catalog.pg_extension'::pg_catalog.regclass
ORDER BY 1;
Thanks to https://blog.dbi-services.com/listing-the-extensions-avai...
Default visibility of class methods in PHP
...perties which is not declared in the class and you assign a value to it inside a method will have a public visibility.
<?php
class Example {
public $name;
public function __construct() {
$this -> age = 9; // age is now public
$this -> privateFunction();
}
p...
Can a pointer to base point to an array of derived objects?
...
As Martinho Fernandes said, the indexing is wrong. If you wanted instead to store an array of Shapes, you would have to do so using an array of Shape *'s, like so:
int main()
{
Shape ** shapes = new Shape*[10];
for (int i = 0; i < 10; ++i)...
Get current value of a setting in Vim
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
StackExchange.using("externalEditor", function() {
// Have to fire editor after snippets, if snippets enabled...
Ruby on Rails patterns - decorator vs presenter
...e functionality to this entity". A presenter is more of a "let's build a bridge between the model/backend and view". The presenter pattern has several interpretations.
Decorators are generic/general purpose. Presenters have a narrower range of responsibilities/uses. Decorators are used across domai...
Loop through Map in Groovy?
...ith a closure:
def map = [
'iPhone':'iWebOS',
'Android':'2.3.3',
'Nokia':'Symbian',
'Windows':'WM8'
]
map.each{ k, v -> println "${k}:${v}" }
share
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How to view revision history for Mercurial file?
... hgk works for whole revisions, but how do you get it to diff individual files?
– keflavich
Jan 25 '12 at 0:33
add a comment
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Why an interface can not implement another interface?
...ments means implementation, when interface is meant to declare just to provide interface not for implementation.
A 100% abstract class is functionally equivalent to an interface but it can also have implementation if you wish (in this case it won't remain 100% abstract), so from the JVM's perspecti...
How to get MD5 sum of a string using python?
...ust want a 16 character long digest, you can do a slice as Baris Demiray said.
– ryan
Dec 6 '16 at 10:20
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