大约有 40,000 项符合查询结果（耗时：0.0516秒） [XML]
Convert pandas dataframe to NumPy array
...p.nan)
# array([ 1., 2., nan])
This is called out in the docs.
If you need the dtypes...
As shown in another answer, DataFrame.to_records is a good way to do this.
df.to_records()
# rec.array([('a', -1, 4), ('b', 2, 5), ('c', 3, 6)],
# dtype=[('index',...
Java: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification
...eat. I was getting the error on a Jenkins server connecting to an external API which changes his certificate and fails my builts. This solves my issue
– user9869932
Oct 10 '17 at 14:24
...
Difference between jQuery `click`, `bind`, `live`, `delegate`, `trigger` and `on` functions (with an
... of events up in another page, the API itself is tremendously helpful, and all of what I'm discussing below is linked directly from this page.
First, .click(function) is literally a shortcut for .bind('click', function), they are equivalent. Use them when binding a handler directly to an element, ...
How to use multiple AWS Accounts from the command line?
...
Maybe it still help someone. You can set it manually.
1) Set in file
~/.aws/credentials
this
[default]
aws_access_key_id={{aws_access_key_id}}
aws_secret_access_key={{aws_secret_access_key}}
[{{profile_name}}]
aws_access_key_id={{aws_access_key_id}}
aws_secret_access...
Reading value from console, interactively
...locking on input, something node.js doesn't like to do.
Instead set up a callback to be called each time something is entered:
var stdin = process.openStdin();
stdin.addListener("data", function(d) {
// note: d is an object, and when converted to a string it will
// end with a linefeed. ...
setBackground vs setBackgroundDrawable (Android)
... It still complains about setBackgroundDrawable being deprecated. Do I really have to suppresswarnings just because Google wanted to change the method name?
– Charlie-Blake
Oct 25 '12 at 9:07
...
jQuery Tips and Tricks
...
Also, if it's any help, you can actually do $("<div/>") and achieve the same thing as $("<div></div>")
– Hugoware
Dec 23 '08 at 19:27
...
How can a web application send push notifications to iOS devices? [closed]
...d push notifications to Firefox and Chrome (Desktop/Android) with the Push API.
The Push API is used in conjunction with the older Web Notifications to display the message. The advantage is that the Push API allow the notification to be delivered even when the user is not surfing your website, beca...
How do you obtain a Drawable object from a resource id in android package?
...
As of API 22. getDrawable(int id) is deprecated. Use getDrawable(int id, Resources.Theme theme) instead. The method getTheme() should be helpful.
– Isaac Zais
Apr 17 '15 at 18:07
...
Passing route control with optional parameter after root in express?
... link: null
});
}
});
});
There's no problem in calling next() inside the callback.
According to this, handlers are invoked in the order that they are added, so as long as your next route is app.get('/', ...) it will be called if there is no key.
...