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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...
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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Why are regular expressions so controversial? [closed]
When exploring regular expressions (otherwise known as RegEx-es), there are many individuals who seem to see regular expressions as the Holy Grail. Something that looks so complicated - just must be the answer to any question. They tend to think that every problem is solvable using regular express...
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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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...
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) { … }
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What is the difference between g++ and gcc?
What is the difference between g++ and gcc? Which one of them should be used for general c++ development?
10 Answers
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“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...
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 '...
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...