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How to display unique records from a has_many through relationship?
...te that -> {uniq} in this sense is just an alias for -> {distinct} apidock.com/rails/v4.1.8/ActiveRecord/QueryMethods/uniq It occurs in SQL not ruby
– engineerDave
Mar 26 '15 at 21:37
...
Disable ONLY_FULL_GROUP_BY
...ent solution): you have to put the description of sql_mode inside a my.cnf file (/etc/my.cnf for instance) and restart the server. For instance, insert (below the [mysqld] section) sql_mode = "STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_S...
Multiple queries executed in java in single statement
... is possible to execute something like this using JDBC as it currently provides an exception even though it is possible in the MySQL query browser.
...
“/usr/bin/ld: cannot find -lz”
... functions, routines, & data structures. Unix systems use .so, .a, .la files & Windows use .dll. These are compiled shared library files, that contain routines that other programs can link against and use to implement some functionality. For this example: libz implements data compression &a...
Automapper - how to map to constructor parameters instead of property setters
...TestFixture]
public class Tester
{
[Test]
public void Test_ConstructUsing()
{
Mapper.CreateMap<ObjectFrom, ObjectTo>()
.ConstructUsing(x => new ObjectTo(x.Name));
var from = new ObjectFrom { Name = "Jon", Age = 25 };
...
`ui-router` $stateParams vs. $state.params
...the original $state.params, and seems to be a simple helper injector to avoid continuously writing $state.params.
I doubt there are any best practice guidelines, but context wins out for me. If you simply want access to the params received into the url, then use $stateParams. If you want to know so...
How to make a floated div 100% height of its parent?
...t;style>
#outer {
position:absolute;
height:auto; width:200px;
border: 1px solid red;
}
#inner {
position:absolute;
height:100%;
width:20px;
border: 1px solid black;
}
</style>
<div id='outer'>
<div...
Log4Net, how to add a custom field to my logging
...ay find some use for this one.
Add the following code to your program.cs file:
static void Main( string[] args )
{
log4net.Config.XmlConfigurator.Configure();
log4net.ThreadContext.Properties[ "myContext" ] = "Logging from Main";
Log.Info( "this is an info message" );
Console.Read...
UCenter实现各系统通信的原理 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...中), 在这个函数中调用 uc_api_post('user', 'synlogin', array('uid'=>$uid));之后向UC_API.'/index.php'传递了数据;这里的UC_API就是在 config.inc.php中的定义的uc_server之URL地址。
2、uc_server的index.php接受参数数据,获得model为user,action为synlogin...
How to send an email with Python?
...dules we'll need
from email.mime.text import MIMEText
# Open a plain text file for reading. For this example, assume that
# the text file contains only ASCII characters.
with open(textfile, 'rb') as fp:
# Create a text/plain message
msg = MIMEText(fp.read())
# me == the sender's email add...
