小编shi*_*bly的帖子

CodeIgniter调试功能:如何显示/调试控制器中任何变量的格式化值?

是否有任何内置的调试功能可以在控制器中使用codeigniter?

在cakephp中有一个可以在控制器中使用的debug($ variable).

我可以使用var_dump($ variable); 或print_r($ variable);

但是,是否有任何内置的调试函数可供codeigniter在控制器中使用以获取任何变量的格式化结果?

php codeigniter

2
推荐指数
1
解决办法
1万
查看次数

Ruby on Rails:在Home#index中,application.js文件,Sprockets :: FileNotFound出错

http://0.0.0.0:3000/

Sprockets::FileNotFound in Home#index

Showing /home/user1/rorblog/app/views/layouts/application.html.erb where line #6 raised:

couldn't find file 'jquery'
  (in /home/user1/rorblog/app/assets/javascripts/application.js:7)

Extracted source (around line #6):

3: <head>
4:   <title>Rorblog</title>
5:   <%= stylesheet_link_tag    "application" %>
6:   <%= javascript_include_tag "application" %>
7:   <%= csrf_meta_tags %>
8: </head>
9: <body>
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但看起来所有文件都在那里.

application.html.erb =>

<!DOCTYPE html>
<html>
<head>
  <title>Rorblog</title>
  <%= stylesheet_link_tag    "application" %>
  <%= javascript_include_tag "application" %>
  <%= csrf_meta_tags %>
</head>
<body>
<div id="container">

    <div id="header">

        <ul class="hmenu">
            <li>
                <%= link_to('Home', home_index_path ) %>
            </li>
            <% if user_signed_in? …
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ruby ruby-on-rails ruby-on-rails-3.1 sprockets asset-pipeline

2
推荐指数
1
解决办法
4460
查看次数

Ruby on Rails:如何从字符串中删除/剪切前300个单词或字符?

我需要从字符串中删除/剪切前300个单词或字符.

这意味着,从一开始我就需要字符串中有限数量的字符.

截断的东西.

有这个功能吗?

ruby ruby-on-rails

2
推荐指数
1
解决办法
6097
查看次数

为什么jquery-ajax多次提交表单?

我读了这个: jQuery ajax表单提交了多次

它没有帮助。

如果我在表单上键入内容并单击提交按钮,则它将发送一个请求。第二次,如果我键入内容并单击,它会发送两个请求。第三次发送三个请求,依此类推。为什么是这样?我在jquery代码中做任何错误吗?

这是我的代码:

index.php =>

<div id="id_div_1" class="cl_div_comment_container"></div>
<form id="id_form_1" method="POST">
<input type="hidden" value="1" name="nm_hidden_post_id">
<textarea class="cl_textarea_comment" style="resize:none;" rows="1" cols="50" name="nm_comment_content"></textarea>
<input class="cl_submit_comment" type="submit" value="Comment" name="nm_submit_comment">
</form>
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javascript.js =>

$(document).ready(function(){
    console.log('hello');
    $('input[name="nm_submit_comment"]').on('click',function(){
        var frm = $(this).closest("form")[0];
        var frm_id = $(frm).attr("id");
        var frm_id_splitted = frm_id.split("_");
        var frm_id_splitted_2 = frm_id_splitted[2];
        console.log($('div#id_div_' + frm_id_splitted_2));
        $(frm).on('submit',function(e){
            e.preventDefault();
            frm_serialized = $(this).serialize();
            console.log(frm_serialized);

            $.ajax({
                url: "save-comment.php",
                method: "POST",
                data: frm_serialized,
                success: function(data) {
                    console.log(data);
                    $('div#id_div_' + frm_id_splitted_2).append(data);
                }
            });

        });

    });

});
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save-comment.php …

javascript php forms ajax jquery

2
推荐指数
2
解决办法
5986
查看次数

CakePHP递归删除

有帖子和评论表.

对于一篇帖子,有多条评论.

如果我删除一个帖子,那么该帖子的评论会在cakephp中自动删除吗?

php mysql database cakephp model

1
推荐指数
1
解决办法
2255
查看次数

如何组合多个CSS规则?

div#id_div_allposts {   
    width: 100%;    
}

div.class_div_post {
    width: 100%;
}

div.class_div_editdelete {
    width: 100%;
}
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我怎么能用一行写呢?

那么选择带有id和class的html标签的方法是什么?

html css css-selectors

1
推荐指数
1
解决办法
2475
查看次数

PostsController#中的ActiveRecord :: RecordNotFound显示单击链接

<li><%= link_to('More Commented', posts_morecommented_path) %></li>
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错误

ActiveRecord::RecordNotFound in PostsController#show

Couldn't find Post with id=morecommented

Request

Parameters:

{"id"=>"morecommented"}
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我在哪里做错了?

postscontroller #show action

def show      @post = Post.find(params[:id])      ...         end
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morecommented.html.erb

<% @moreCommented.each do |t| %>
    <%= link_to t.title, :controller => '/posts', :action => 'show', :id => t.id %><br/>
<% end %>
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耙路线

post GET    /posts/:id(.:format)           {:action=>"show", :controller=>"posts"}
....      
posts_morecommented        /posts/morecommented(.:format) {:controller=>"posts", :action=>"morecommented"}
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routes.rb中:

  resources :posts
  match "posts/:id/categ" => "posts#categ"
  match "posts/:id/tag_posts" => "posts#tag_posts"
  match "posts/searcharchive" => "posts#searcharchive"
  match "posts/morecommented" => "posts#morecommented"
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ruby routing ruby-on-rails ruby-on-rails-3 ruby-on-rails-3.1

1
推荐指数
1
解决办法
2603
查看次数

为什么我得到python manage.py syncdb的错误(IndentationError:意外缩进)

from django.db import models


class Post(models.Model):
    title = models.CharField(max_length=100)
    content = models.CharField(max_length=1000)
    created = models.DateField()
    modified = models.DateField()
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python manage.py syncdb出错:

Traceback (most recent call last):
  File "manage.py", line 14, in <module>
    execute_manager(settings)
  File "/usr/local/lib/python2.6/dist-packages/django/core/management/__init__.py", line 438, in execute_manager
    utility.execute()
  File "/usr/local/lib/python2.6/dist-packages/django/core/management/__init__.py", line 379, in execute
    self.fetch_command(subcommand).run_from_argv(self.argv)
  File "/usr/local/lib/python2.6/dist-packages/django/core/management/base.py", line 191, in run_from_argv
    self.execute(*args, **options.__dict__)
  File "/usr/local/lib/python2.6/dist-packages/django/core/management/base.py", line 219, in execute
    self.validate()
  File "/usr/local/lib/python2.6/dist-packages/django/core/management/base.py", line 249, in validate
    num_errors = get_validation_errors(s, app)
  File "/usr/local/lib/python2.6/dist-packages/django/core/management/validation.py", line 35, in get_validation_errors
    for (app_name, …
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python django model

1
推荐指数
1
解决办法
1191
查看次数

如何从表单中保存/插入数据到表中?

我不得不这样做:

def createpost(request):
    if request.method == 'POST':
        form = PostForm(request.POST)
        if form.is_valid():
            titlee = form.cleaned_data['title']
            contentt = form.cleaned_data['content']
            post = Post(title=titlee,content=contentt,created='2012-01-06',modified='2012-01-06') 
            post.save()
            return render_to_response('createpost.html', {"form": form}, context_instance=RequestContext(request))
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有没有办法获得这样的形式价值post = Post(form) ; post.save()我不想像这样单独获得价值:titlee = form.cleaned_data['title']

任何的想法?

python forms django model

1
推荐指数
1
解决办法
475
查看次数

如何设置一个带有一个带有aphanumeric字符串的参数的URL?

我正在做的事情:

url(r'^confirmemail/[a-bA-z0-9]+/', 'blog.views.confirmemail'),
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确切的网址是这样的:http://127.0.0.1:8000/confirmemail/tubwp2n0a6http://127.0.0.1:8000/confirmemail/tubwp2n0a6/

字符串参数的长度为十(10).

如何在urls.py中写入该url?

python django url django-urls

1
推荐指数
1
解决办法
68
查看次数