我0.19.1在Python 3上使用Pandas .我在这些代码行上收到警告.我试图得到一个包含所有行数,其中字符串列表Peter出现在列Unnamed: 5.
df = pd.read_excel(xls_path)
myRows = df[df['Unnamed: 5'] == 'Peter'].index.tolist()
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警告:
"\Python36\lib\site-packages\pandas\core\ops.py:792: FutureWarning: elementwise
comparison failed; returning scalar, but in the future will perform
elementwise comparison
result = getattr(x, name)(y)"
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什么是FutureWarning,我应该忽略它,因为它似乎有效.
我有一个Boostrap Modal来选择事件.如果用户单击X按钮或模态外部,我想将它们发送到默认事件.我怎样才能捕获这些事件?
这是我的代码:
<div class="modal" id="myModal">
<div class="modal-dialog">
<div class="modal-content event-selector">
<div class="modal-header">
<button type="button" class="close" data-dismiss="modal" aria-hidden="true">x</button>
<center><h1 class="modal-title event-selector-text">Select an Event</h1><center>
</div>
<div class="container"></div>
<div class="modal-body">
<div class="event-banner">
<a href="/?event=1">
<img src="<?php echo IMAGES_EVENT1_LOGO; ?>" width="100%">
</a>
</div>
<div class="event-banner">
<a href="/?event=2">
<img src="<?php echo IMAGES_EVENT2_LOGO; ?>" width="100%">
</a>
</div>
</div>
</div>
</div>
</div>
Run Code Online (Sandbox Code Playgroud) 我正在查看新的Google Cloud Datastore,看起来很棒.但有一些我无法理解的......它应该替代Google App Engine数据存储区吗?如何在GAE中使用它?它们之间有什么区别?
我在Java中有一个GAE应用程序,它使用3个实体,每个实体有数千行,我需要经常加入...
google-app-engine google-compute-engine google-cloud-datastore
我正在尝试使用Google Text-To-Speech播放音频.因此,我需要在Referer和User-Agent正确设置的情况下向其端点发布请求.这个电话应该返回一个我可以播放的MP3.
但是,我得到"拒绝设置不安全的标头"错误.这是我的代码.我该怎么做?
$.ajax({
url: 'http://translate.google.com/translate_tts?ie=UTF-8&q=Hello&tl=en&client=t',
beforeSend: function(xhr) {
xhr.setRequestHeader("Referer", "http://translate.google.com/");
xhr.setRequestHeader("User-Agent", "stagefright/1.2 (Linux;Android 5.0)");
}, success: function(data){
el.mp3 = new Audio(data);
el.mp3.play();
}
});
Run Code Online (Sandbox Code Playgroud) 我通过网络浏览器在本地运行Anaconda3.每次我去"Conda"部分看到安装的软件包(在http:// localhost:8888/tree #conda)我得到An error occurred while retrieving installed packages. Internal Server Error.
检查日志,这是目前正在发生的事情.有任何想法吗?
[E 13:53:08.195 NotebookApp] 500 GET /conda/environments/root?_=1484574786374 (127.0.0.1) 760.41ms referer=http://localhost:8888/tree?
[E 13:53:14.557 NotebookApp] Unhandled error in API request
Traceback (most recent call last):
File "/root/anaconda3/lib/python3.5/site-
packages/notebook/base/handlers.py", line 503, in wrapper
result = yield gen.maybe_future(method(self, *args, **kwargs))
File "/root/anaconda3/lib/python3.5/site-packages/nb_conda/handlers.py", line 62, in get
self.finish(json.dumps(self.env_manager.env_packages(env)))
File "/root/anaconda3/lib/python3.5/site-packages/nb_conda/envmanager.py", line 124, in env_packages
"packages": [pkg_info(package) for package in data]
File "/root/anaconda3/lib/python3.5/site-packages/nb_conda/envmanager.py", line 124, in <listcomp>
"packages": [pkg_info(package) for …Run Code Online (Sandbox Code Playgroud) 我想在Ubuntu 14.04中安装一些软件(Shibboleth).我已经安装了Java 7 OpenJDK /usr/lib/jvm/,我有这些行/usr/environment
JAVA_HOME="/usr/lib/jvm/java-7-openjdk-amd64"
export JAVA_HOME
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如果我输入echo $JAVA_HOME正确的话/usr/lib/jvm/java-7-openjdk-amd64.但是,当我尝试安装Shibboleth时,我总是得到Error: JAVA_HOME is not defined correctly. Cannot execute java.
有趣的是,如果我输入java命令它可以工作(它指的是/ usr/lib/java,这是一个指向正确的链接).但是,当我尝试运行bash bin/install.shShibboleth时,我收到了JAVA_HOME错误
我已经尝试设置相同结果JAVA_HOME的jre文件夹.有任何想法吗?
我正在开发一个Java应用程序,我需要在其中调用一些C++函数(来自Google Talk库libjingle).目标是在Google App Engine(仅支持Python或Java)上运行它.
我怎样才能做到这一点?
我正在使用下面的函数(GWT)动态创建HTML元标记.在DOM上花费1秒钟.除Facebook外,它工作正常.当我从我的网络共享链接时,刮刀获取HTML中的元标记:无.我怎样才能解决这个问题?
/**
* Include the HTML attributes: title, description and keywords (meta tags)
*/
private void createHTMLheader(MyClass thing) {
String title=thing.getTitle();
String description=thing.getDescription();
Document.get().setTitle(title);
MetaElement metaDesc = Document.get().createMetaElement();
metaDesc.setName("description");
metaDesc.setContent(description);
NodeList<Element> nodes = Document.get().getElementsByTagName("head");
nodes.getItem(0).appendChild(metaDesc);
}
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这是DOM上的结果HEAD.标题aaaa和元描述已动态加载.(感谢CBroe提示).在"查看源"功能中,不显示这些动态标记(仅在开发人员工具上 - 查看dom).
<head>
<title>aaaa</title>
<meta content="text/html; charset=utf-8" http-equiv="content-type">
<meta name="description" content="My description">
<script language="javascript" type="text/javascript" src="dialective/dialective.nocache.js"></script><script defer="defer">dialective.onInjectionDone('dialective')</script>
</head>
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原始HTML没有TITLE或META-DESCRIPTION标记.
我的Facebook应用程序通过Notifications API向其用户发送包含一些信息的通知.但是,这些通知仅在桌面上接收,但不在移动设备上接收.
我如何联系所有移动用户社区?
我刚刚开始在一个PHP项目中使用WAMP,我得到了与这行代码相关的下一个错误:
$link=mysql_connect("localhost","myuser","mypas");
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我读到我必须使用旧密码再次执行SET PASSWORD,但重启所有服务后仍然无效.我正在使用PHP 5.3.4和MySQL 5.1.53任何帮助?谢谢
Warning: mysql_connect() [function.mysql-connect]: Premature end of data (mysqlnd_wireprotocol.c:554) in C:\wamp\www\CDE\includes\baseDatos.php on line 5
Call Stack
1 0.0002 667312 {main}( ) ..\index.php:0
2 0.0008 682416 include( 'C:\wamp\www\CDE\includes\seguridad.php' ) ..\index.php:2
3 0.0010 690984 include( 'C:\wamp\www\CDE\includes\baseDatos.php' ) ..\seguridad.php:2
4 0.0014 692368 mysql_connect ( ) ..\baseDatos.php:5
( ! ) Warning: mysql_connect() [function.mysql-connect]: OK packet 1 bytes shorter than expected in C:\wamp\www\CDE\includes\baseDatos.php on line 5
Call Stack
1 0.0002 667312 {main}( ) ..\index.php:0
2 0.0008 682416 include( 'C:\wamp\www\CDE\includes\seguridad.php' ) …Run Code Online (Sandbox Code Playgroud) facebook ×2
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