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Scala: List[Future] to Future[List] disregarding failed futures
...te: You can use Option or Either as well here, but Try is the cleanest way if you specifically want to trap exceptions
def futureToFutureTry[T](f: Future[T]): Future[Try[T]] =
f.map(Success(_)).recover { case x => Failure(x)}
val listOfFutures = ...
val listOfFutureTrys = listOfFutures.map(fu...
如何获取IE (控件)的所有链接（包括Frameset, iframe） - C/C++ - 清泛网 -...
如何获取IE (控件)的所有链接（包括Frameset, iframe）IE 顶层 body 节点通过IHTMLElement->get_all 方法无法获取iframe 里面的节点列表：CComPtr<IHTMLElement> body;...CComPtr<IDispatc...IE 顶层 body 节点通过IHTMLElement->get_all 方法无法获取iframe 里面的节...
Regular expression for letters, numbers and - _
I'm having trouble checking in PHP if a value is is any of the following combinations
6 Answers
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Python Flask, how to set content type
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@earthmeLon: If you set app.response_class like Simon points out, remember to use app.make_response to get your reponse instance like pointed out in the answer below.
– Martin Geisler
Aug 5 '15 at 15...
“Uncaught TypeError: Illegal invocation” in Chrome
...Error: Illegal invocation. However, alert.call(window) works fine, because now alert is executed in its original scope.
If you use .call() with your object like that:
support.animationFrame.call(window, function() {});
it works fine, because requestAnimationFrame is executed in scope of window i...
SVN Commit specific files
...he svn command read the list of files to commit from a file:
$ svn ci -m "Now works" --targets fix4711.txt
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Google Tag Manager 入门指南 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...ords，DoubleClick。
以判断页面地址为例：
完全匹配：
if (location.pathname == “/en/list.aspx”) { … }
以某个地址开始的情况，如：/en/ 或 /jp/目录：
if (location.pathname.indexOf(“/en/”) == 0 || location.pathname.indexOf(“/jp/”) == 0) { … }
...
Proper SCSS Asset Structure in Rails
..."bootstrap/bootstrap.scss";
Because of the order of the imports, you can now use the variables, loaded with @import "variables.scss"; in any other .scss file imported after it. So they can be used in type.scss in the bootstrap folder but also in my_model.css.scss.
After this create a folder named...
Get last result in interactive Python shell
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Additionally, it doesn't work if the variable _ has been previously assigned. It's not uncommon, as this symbol is also used for throwaway variables (see stackoverflow.com/questions/5893163/…)
– user6015398
Jul 5 '...
Creating an empty Pandas DataFrame, then filling it?
...me
import pandas as pd
import numpy as np
todays_date = datetime.datetime.now().date()
index = pd.date_range(todays_date-datetime.timedelta(10), periods=10, freq='D')
columns = ['A','B', 'C']
Note: we could create an empty DataFrame (with NaNs) simply by writing:
df_ = pd.DataFrame(index=index,...