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The mysql extension is deprecated and will be removed in the future: use mysqli or PDO instead [dupl
...lightly, but offer a number of advantages over the old extension including API support for transactions, stored procedures and prepared statements (thereby providing the best way to defeat SQL injection attacks). PHP developer Ulf Wendel has written a thorough comparison of the features.
Hashphp.o...
JSON serialization of Google App Engine models
...encoder as in the following python:
import datetime
from google.appengine.api import users
from google.appengine.ext import db
from django.utils import simplejson
class jsonEncoder(simplejson.JSONEncoder):
def default(self, obj):
if isinstance(obj, datetime.datetime):
retur...
Google Guava isNullOrEmpty for collections
... use .isEmpty() like normal. Do this immediately upon calling the naughty API and you've put the weirdness behind you, instead of letting it continue on indefinitely.
And if the "null which really means empty collection" is not being returned to you, but passed to you, your job is easy: just let a...
Ruby on Rails. How do I use the Active Record .build method in a :belongs to relationship?
...
Where it is documented:
From the API documentation under the has_many association in "Module ActiveRecord::Associations::ClassMethods"
collection.build(attributes = {}, …)
Returns one or more new objects of the
collection type that have been
inst...
Dynamic validation and name in a form with AngularJS
...d) and the suggested approach by the angular team (from docs.angularjs.org/api/ng.directive:form): "Since you cannot dynamically generate the name attribute of input elements using interpolation, you have to wrap each set of repeated inputs in an ngForm directive and nest these in an outer form elem...
setTimeout / clearTimeout problems
...timeout);
this.setState({
timeout: setTimeout(() => {this.callAPI()}, 250)
})
}
}
Helpful if you'd like to only call an API after the user has stopped typing for instance. The userTimeout function could be bound via onKeyUp to an input.
...
How to clone an InputStream?
...e about IOUtils here:
http://commons.apache.org/proper/commons-io/javadocs/api-2.4/org/apache/commons/io/IOUtils.html#toBufferedInputStream(java.io.InputStream)
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How to convert an Array to a Set in Java
...;T>(Arrays.asList(someArray)). See google.github.io/guava/releases/19.0/api/docs/com/google/common/…
– Alexander Klimetschek
Nov 11 '16 at 1:51
...
Global variables in AngularJS
...tions for "global" variables:
use a $rootScope http://docs.angularjs.org/api/ng.$rootScope
use a service http://docs.angularjs.org/guide/services
$rootScope is a parent of all scopes so values exposed there will be visible in all templates and controllers. Using the $rootScope is very easy as yo...
How do you increase the max number of concurrent connections in Apache?
...nnections for Apache? NOTE: I turned off KeepAlive since this is mainly an API server.
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