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Laravel: Get base url
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159
Laravel < 5.2
echo url();
Laravel >= 5.2
echo url('/');
Hope this helps you
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C++实现一款简单完整的聊天室服务器+客户端 - C/C++ - 清泛网 - 专注C/C++及内核技术
...从缓冲区中取出消息
MessageBuffer.h
//MessageBuffer.h
#ifndef _MESSAGE_BUF_INCLUDE_
#define _MESSAGE_BUF_INCLUDE_
#include <pthread.h>
#define MESSAGE_COUNT 16
#define MESSAGE_LENGTH 2048
class MessageBuffer{
private:
pthread_mutex_t mutex;//访问缓冲的互斥量
pthread_...
Apache Spark: map vs mapPartitions?
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I'm seeing the opposite -- even with very small operations, its faster to call mapPartitions and iterate than call map. I am assuming that this is just the overhead of starting the language engine that will process the map task. (I'm in R, which may have more startup...
is_file or file_exists in PHP
... for dirs anyway...
– Byson
Jul 13 '15 at 11:02
add a comment
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ASP.NET MVC: Is Controller created for every request?
...ther controller.
The short version is that ControllerActivator.Create is called (for every request) to create a Controller (which inits a new Controller either through the DependencyResolver or through the Activator if no Resolver has been set up):
public IController Create(RequestContext requestC...
How do you write a migration to rename an ActiveRecord model and its table in Rails?
...ble_name
end
end
I had to go and rename the model declaration file manually.
Edit:
In Rails 3.1 & 4, ActiveRecord::Migration::CommandRecorder knows how to reverse rename_table migrations, so you can do this:
class RenameOldTableToNewTable < ActiveRecord::Migration
def change
rena...
Configuring so that pip install can work from github
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edited Jul 28 '15 at 14:52
Alastair McCormack
21.4k77 gold badges5757 silver badges8080 bronze badges
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Combine --user with --prefix error with setup.py install
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edited May 5 '15 at 14:59
answered Dec 21 '10 at 0:07
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Align image in center and middle within div
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15
This doesn't align vertically
– alpadev
May 11 '17 at 14:32
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Performance optimization strategies of last resort [closed]
...erformance questions on this site already, but it occurs to me that almost all are very problem-specific and fairly narrow. And almost all repeat the advice to avoid premature optimization.
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