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What is Haskell used for in the real world? [closed]
...hive.org/web/20160626145828/http://blog.kickino.org/archives/2007/05/22/T22_34_16/
https://useless-factor.blogspot.com/2007/05/advantage-of-functional-programming.html
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How to get a subset of a javascript object's properties
...ctions.
For example pick() would be exactly what you seek:
var subset = _.pick(elmo, ['color', 'height']);
fiddle
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Proper way to wait for one function to finish before continuing?
... work like this is to use a callback function, eg:
function firstFunction(_callback){
// do some asynchronous work
// and when the asynchronous stuff is complete
_callback();
}
function secondFunction(){
// call first function and pass in a callback function which
// first ...
Does ARC support dispatch queues?
...nt target is lower than iOS 6.0 or Mac OS X 10.8
You need to use dispatch_retain and dispatch_release on your queue. ARC does not manage them.
If your deployment target is iOS 6.0 or Mac OS X 10.8 or later
ARC will manage your queue for you. You do not need to (and cannot) use dispatch_retain ...
Is git not case sensitive?
In the first commitment of my partial called _Electronics it was written beginning with a capital letters, then I changed it to _electronics .
...
PHP: How to handle
...is superfluous, as echo automatically does it anyway)
$content = simplexml_load_string(
'<content><![CDATA[Hello, world!]]></content>'
);
echo (string) $content;
// or with parent element:
$foo = simplexml_load_string(
'<foo><content><![CDATA[Hello, world!...
How to generate the JPA entity Metamodel?
...jpa.JPACriteriaProcessor
http://www.datanucleus.org/products/accessplatform_2_1/jpa/jpql_criteria_metamodel.html
The latest Hibernate implementation is available at:
https://mvnrepository.com/artifact/org.hibernate/hibernate-jpamodelgen/
An older Hibernate implementation is at:
http://repo...
How to handle multiple heterogeneous inputs with Logstash?
...ed. I opened a ticket in Elastic and they recommended me to use tags or add_field instead of type
– BornToCode
Jun 18 '17 at 15:05
...
How to do error logging in CodeIgniter (PHP)
...on/logs folder writable
In /application/config/config.php set $config['log_threshold'] = 1; or use a higher number, depending on how much detail you want in your logs
Use log_message('error', 'Some variable did not contain a value.');
To send an email you need to extend the core CI_Exceptions class...
Is returning by rvalue reference more efficient?
...
Beta_ab&&
Beta::toAB() const {
return move(Beta_ab(1, 1));
}
This returns a dangling reference, just like with the lvalue reference case. After the function returns, the temporary object will get destructed. You sho...