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jsonify a SQLAlchemy result set in Flask [duplicate]
... else:
d[c.name] = v
return json.dumps(d)
class Person(base):
__tablename__ = 'person'
id = Column(Integer, Sequence('person_id_seq'), primary_key=True)
first_name = Column(Text)
last_name = Column(Text)
email = Column(Text)
@property
def json(self):
...
ObservableCollection not noticing when Item in it changes (even with INotifyPropertyChanged)
...llectionChanged event firing.
public class CollectionViewModel : ViewModelBase
{
public ObservableCollection<EntityViewModel> ContentList
{
get { return _contentList; }
}
public CollectionViewModel()
{
_contentList = new ObservableCollection<...
Using arrays or std::vectors in C++, what's the performance gap?
...bly code was generated by gcc 4.1.0 invoked with g++ -O3 -S on a
// x86_64-suse-linux machine.
#include <vector>
struct S
{
int padding;
std::vector<int> v;
int * p;
std::vector<int>::iterator i;
};
int pointer_index (S & s) { return s.p[3]; }
// movq 32(%rd...
resizes wrong; appears to have unremovable `min-width: min-content`
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Binary Data in MySQL [closed]
...p script to demonstrate the storing of binary files into
// an sql database. More information can be found at http://www.phpbuilder.com/
?>
<html>
<head><title>Store binary data into SQL Database</title></head>
<body>
<?php
...
Why is there huge performance hit in 2048x2048 versus 2047x2047 array multiplication?
...n your cache. L is always power of 2.
The six comes from fact that 2^6 == 64 bytes is standard size of cache line.
Now what does this mean? Well it means that if I have address X and address Y and
(X >> 6) - (Y >> 6) is divisible by L (i.e. some large power of 2), they will be stored ...
phpcms v9类别调用方法 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...'caches_model'.DIRECTORY_SEPARATOR.'caches_data'.DIRECTORY_SEPARATOR);
pc_base::load_app_func('util','content');
class type {
private $db;
function __construct() {
$this->db = pc_base::load_model('content_model');
}
/**
* 按照模型搜索
*/
public function init() {
if(!i...
How to retrieve a file from a server via SFTP?
...ns HttpClient, amongst others.
It supports both user/pass and certificate-based logins nicely, as well as all a whole host of other yummy SSH2 features.
Here's a simple remote file retrieve over SFTP. Error handling is left as an exercise for the reader :-)
JSch jsch = new JSch();
String knownH...
Can I use a binary literal in C or C++?
...ortable itoa function, or implement your own.
Unfortunately you cannot do base 2 formatting with STL streams (since setbase will only honour bases 8, 10 and 16), but you can use either a std::string version of itoa, or (the more concise, yet marginally less efficient) std::bitset.
#include <boo...
What is the runtime performance cost of a Docker container?
...
Here's some more benchmarks for Docker based memcached server versus host native memcached server using Twemperf benchmark tool https://github.com/twitter/twemperf with 5000 connections and 20k connection rate
Connect time overhead for docker based memcached seem...