完整代码在这里
HTML代码
<input type="hidden" id="Latitude" name="Latitude" value={{Longitude}} />
<input type="hidden" id="Longitude" name="Longitude" value={{Longitude}} />
document.getElementById("Latitude").value = position.coords.latitude;
document.getElementById("Longitude").value = position.coords.longitude;
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app.py
Latitude = request.form['Latitude']
Longitude = request.form['Longitude']
messages = database.returnMessagesinRange(float(Latitude),float(Longitude))
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database.py
def returnMessagesinRange(longitude,latitude):
allMessages = Messages.find()
messagesinRange = []
for current in allMessages:
if ((current['longitude']-longitude) * (current['longitude']-longitude) + (current['latitude']-latitude)*(current['latitude']-latitude)) <= 1:
if messagesinRange == None:
messagesinRange = [current['text']]
else:
messagesinRange.append(current['text'])
return messagesinRange
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当这个运行时,我明白了
if ((current['longitude']-longitude) * (current['longitude']-longitude) + (current['latitude']-latitude)*(current['latitude']-latitude)) <= 1:
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TypeError: unsupported operand type(s) for -: 'unicode' and …Run Code Online (Sandbox Code Playgroud) 我正在尝试在此处设置 NuGet Feed,效果很好。我通过我的提要安装了一个模块
Install-Module -Name MyCmdlets -Repository $RepoName -Scope CurrentUser -Force
Import-Module -Name MyCmdlets
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但是,当我运行 Get-Module 时,我没有任何功能,它是一个清单?
ModuleType Version Name ExportedCommands
---------- ------- ---- ----------------
Manifest 1.0 MyCmdlets
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如果我手动转到安装位置并手动导入
Import-Module <my-path>\1.0\MyCmdlets.psm1
ModuleType Version Name ExportedCommands
---------- ------- ---- ----------------
Script 0.0 MyCmdlets {Create-Project, Get-AuditLogs, Get-..
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我的清单文件确实有这些行,所以我不明白为什么Import-Module不能正常工作。
FunctionsToExport = '*'
CmdletsToExport = '*'
当我执行git pull,add,commit,push时,会发生这种情况
! [rejected] master -> master (non-fast-forward)
error: failed to push some refs to 'http://foo:8080/tfsdev/foo/_git/Development.Services'
hint: Updates were rejected because the tip of your current branch is behind
hint: its remote counterpart. Integrate the remote changes (e.g.
hint: 'git pull ...') before pushing again.
hint: See the 'Note about fast-forwards' in 'git push --help' for details.
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当我添加-ff到git pull时,它会通过.我认为fastforward是默认的,为什么会发生这种情况?
我一直在谷歌搜索,但我不太明白 ajax 是如何工作的。请有人解释这是如何工作的吗?
$.ajax({
url: "{{ url_for( 'app.slideshow.<tag>' ) }}",
type: "",
data: {'param':},
dataType: "",
success : function(response)
{
}
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我想要做的是查看 document.getElementsByClassName(current) 是否已更改。如果有,它会询问 app.py 对当前的评论和标签,并在不刷新的情况下更新页面。我也不知道在 app.py 上写什么来接收这个。
我将包含我的 app.py,但它并不好。
from flask import Flask,session,url_for,request,redirect,render_template
import api,db
app = Flask(__name__)
#app.secret_key = "secret"
@app.route('/slideshow/<tag>', methods=['GET', 'POST'])
def slide():
if request.method=="GET":
pic = request.get('current').href
taglist = db.getTaglist()
tags = db.getTags(pic)
piclist = db.getPics(<tag>)
commentlist = db.getComments(pic)
return render_template("slide.html", taglist = taglist, tags =tags, piclist =piclist, commentlist = commentlist, url = url) …Run Code Online (Sandbox Code Playgroud)