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How to run a background task in a servlet based web application?
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You can use cron4j. http://www.sauronsoftware.it/projects/cron4j/manual.php
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Why does C++11 not support designated initializer lists as C99? [closed]
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On July 15 '17 P0329R4 was accepted into the c++20 standard: http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2017/p0329r4.pdf
This brings limited support for c99's Designated Initializers. This limitation is described as follows by C.1.7[diff.decl].4, given:
struct A { int x, y; };
struct...
Difference between HBase and Hadoop/HDFS
...ow keys are domains, you should probably store them in reverse (org.apache.www, org.apache.mail, org.apache.jira). This way, all of the Apache domains are near each other in the table, rather than being spread out based on the first letter of the subdomain.
Column
A column in HBase consists of a ...
Typescript: difference between String and string
... almost never used appropriately in JavaScript code.
source:
https://www.typescriptlang.org/docs/handbook/declaration-files/do-s-and-don-ts.html
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Can (domain name) subdomains have an underscore “_” in it?
...special character is not confused with hostnames. For example, _http._sctp.www.example.com specifies a service pointer for an SCTP capable webserver host (www) in the domain example.com." (link)
– x-yuri
Jul 20 '15 at 17:22
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Haskell testing workflow
...ur toolchain with it.
Edit: Cabal test support now does exist. See http://www.haskell.org/cabal/release/cabal-latest/doc/users-guide/developing-packages.html#test-suites
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Unable to find valid certification path to requested target - error even after cert imported
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Here is the solution , follow the below link Step by Step :
http://www.mkyong.com/webservices/jax-ws/suncertpathbuilderexception-unable-to-find-valid-certification-path-to-requested-target/
JAVA FILE : which is missing from the blog
/*
* Copyright 2006 Sun Microsystems, Inc. All Rights R...
What Are the Differences Between PSR-0 and PSR-4?
... some more difference in details between PSR-0 and PSR-4, see here: http://www.php-fig.org/psr/psr-4/
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When do we need to set ProcessStartInfo.UseShellExecute to True?
...new Process();
p.StartInfo.UseShellExecute = true;
p.StartInfo.FileName = "www.google.co.uk";
p.Start();
It is very easy to use, versatile and powerful however comes with some drawbacks:
It isn't possible to redirect the standard input / output / error handles
It isn't possibly to specify securit...
How to configure an existing git repo to be shared by a UNIX group
... in a mess because someone has done a git pull etc. as root rather than as www-data or whatever the owner is and as a result you get error: insufficient permission for adding an object to repository database .git/objects. I thought I'd fixed the ownership of all files/directories that were wrong by...