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Is there a way to use shell_exec without waiting for the command to complete?

...t; /tmp/pid.txt at the end of exec command but by redirecting output & error to /dev/null, no more pid file : does any of you can get PID of script launched by exec while not waiting for output ? – hugsbrugs Feb 22 '16 at 10:21 ...
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How do I get the object if it exists, or None if it does not exist?

... In this case, no Error is raised if there is more than one match. – Konstantin Schubert Apr 28 '15 at 20:54 7 ...
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“A lambda expression with a statement body cannot be converted to an expression tree”

In using the EntityFramework , I get the error " A lambda expression with a statement body cannot be converted to an expression tree " when trying to compile the following code: ...
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Declaring an enum within a class

...некоторый код break; } Color2 c2 = Color2::Green; c2 = c; //error c2 = 3; //error if (c2 == Color::Red ) {} //error If (c2) {} error I create macro to facilitate usage: #define DEFINE_SIMPLE_ENUM(EnumName, seq) \ struct EnumName {\ enum type \ { \ BOOST_PP_SEQ_FOR_EACH_...
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How do I assert an Iterable contains elements with a certain property?

... This solution waste the possibility to show an appropriate error message. – Giulio Caccin May 6 '19 at 11:43 ...
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How to sort with lambda in Python

In Python, I am trying to sort by date with lambda. I can't understand my error message. The message is: 4 Answers ...
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Unauthorised webapi call returning login page rather than 401

...sed for controllers with views. Http.AuthorizeAttribute will return a 401 error if authorization fails and Mvc.AuthorizeAttribute will redirect to the login page. Updated 11/26/2013 So it appears things have drastically changed with MVC 5 as Brock Allen pointed out in his article. I guess the OW...
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How to create .ipa file using Xcode?

... Thanks, this helped, but I get these two errors when performing "Archive" on Xcode 10.1: clang: error: -ffunction-sections is not supported with -fembed-bitcode, clang: error: -fdata-sections is not supported with -fembed-bitcode. Would you help, please? ...
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How can I efficiently download a large file using Go?

... I'll assume you mean download via http (error checks omitted for brevity): import ("net/http"; "io"; "os") ... out, err := os.Create("output.txt") defer out.Close() ... resp, err := http.Get("http://example.com/") defer resp.Body.Close() ... n, err := io.Copy(out,...
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How do I disable directory browsing?

...ding Options -Indexes FollowSymLinks to httpd.conf spits out the following error: "Either all Options must start with + or -, or no Option may." Therefore, what will work is Options -Indexes +FollowSymLinks – John T. Jan 3 '19 at 15:49 ...