我想在Google地图上清除标记.
marker.setVisible(false)和之间有什么区别marker.setMap(null)?
但我不知道,哪个是对的?
javascript google-maps clear google-maps-api-3 google-maps-markers
这是我的代码:
{% for i in range(7)%}
<option value={{i+1}}> {{i+1}}</option>
{% endfor %}
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但它显示错误,
我能做什么 ,
谢谢
这是我的代码:
class EmailThread(threading.Thread):
def __init__(self, subject, html_content, recipient_list):
self.subject = subject
self.recipient_list = recipient_list
self.html_content = html_content
threading.Thread.__init__(self)
def run (self):
msg = EmailMultiAlternatives(self.subject, self.html_content, EMAIL_HOST_USER, self.recipient_list)
#if self.html_content:
msg.attach_alternative(True, "text/html")
msg.send()
def send_mail(subject, html_content, recipient_list):
EmailThread(subject, html_content, recipient_list).start()
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它不发送电子邮件.我能做什么?
这是我的代码:
a = dict(aa='aaaa', bb='bbbbb', cc='ccccc', ...)
print(a.pop(['cc', ...]))
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但这会引发错误.从python字典中弹出许多元素的最简单方法是什么?
这是我的代码.
obj_list=Location.objects.all()
first_element=obj_list[0]
last_element=obj_list[-1]
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然后,
return render_to_response(template_name, {
'first_element':first_element,
'last_element':last_element,
})
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并在模板中:
{{ first_element.terminal_id}} {{last_element.terminal_id}}
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但它没有显示,
我能做什么 ,
谢谢
这是演示代码:
$(document).ready(function(){
$("button").click(function(e) {
var value;
switch ($("button").index(this)) {
case 0 :
value = $("div").data("blah");
break;
case 1 :
$("div").data("blah", "hello");
value = "Stored!";
break;
case 2 :
$("div").data("blah", 86);
value = "Stored!";
break;
case 3 :
$("div").removeData("blah");
value = "Removed!";
break;
}
$("span").text("" + value);
});
});
</script>
<style>
div { margin:5px; background:yellow; }
button { margin:5px; font-size:14px; }
p { margin:5px; color:blue; }
span { color:red; }
</style>
<div>A div</div>
<button>Get "blah" from the div</button>
<button>Set "blah" to …Run Code Online (Sandbox Code Playgroud) 这是我的代码homepage.html:
<script type="text/javascript">
var jstree_jsondata={{json1}};
alert(typeof jstree_jsondata)
</script>
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它在源代码中显示:
var jstree_jsondata=
[
{ "data" : "kkkqq node",
"attr" : { "id" : "ooo" ,"time":"pp"},
metadata:"i am the one",
children" : [
{
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所以如何删除所有" 使用django,
谢谢
我有两个python版本:Python 2.5和Python 2.7.当我设置django时,我想使用Python 2.7,但django不知何故使用Python 2.5.
我怎样才能确保django使用Python 2.7?我正在使用Windows XP
这是我的代码:
$("#demo1").jstree({
"themes": {
"theme": "default",
"dots": true,
"icons": true,
"url": "static/themes/default/style.css"
},
"ui" : {
// this makes the node with ID node_4 selected onload
"initially_select" : [ location.hash.slice(1).split('@')[1]]
},
"json_data" : {
"data" : [
{
"data" : "A node",
"attr" : { "id" : "1" ,time:1321},
"callback":function(){alert('sss')},
"children" : [
{
"data" : "ttt node",
"children" : [ "Child 1", "Child 2" ]
}
]
},
{
"attr" : { "id" : "2" },
"data" : { …Run Code Online (Sandbox Code Playgroud) 我想查看python dict类型的源代码,但我找不到它.
我正在寻找python 2.6.
python ×6
django ×5
dictionary ×2
javascript ×2
jquery ×2
asynchronous ×1
clear ×1
email ×1
google-maps ×1
jstree ×1
metadata ×1
templates ×1
version ×1