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Why do we need Abstract factory design pattern?
...t code retrieves it's data access classes. Your AbstractDataAccessFactory knows which type of data source is configured and provides a concrete Factory for the client code, i.e. SqlDataAccessFactory or XmlDataAccessFactory. These concrete factories can create the concrete implementations, e.g. SqlRe...
Building executable jar with maven?
...le". Which distract me. So to solve this i added <pluginManagement>, now the eclipse error gone but my package stopped being build. Your above snippet of pom has worked for me. :)
– shashaDenovo
Jul 1 '15 at 18:33
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Effective method to hide email from spam bots
... @Templar The SSI isn't necessary, nor does it confuse bots as far as I know. It makes (made) my site modular (don't really use this method anymore). The comment was citing the source of where I found the hack (now a broken link). The change in case is just a fluke. If it confuses bots, all the be...
“CAUTION: provisional headers are shown” in Chrome debugger
...regular Chrome (v74), however the latest version of Chrome Canary (v76) is now missing the "#network-service" flag... Can't get this to work in Canary without it.
– rich
May 28 '19 at 22:21
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Should I delete the cgi-bin folder in a subdomain I just created?
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You can safely delete "cgi-bin" folder, it's hardly ever used nowadays
Also beware that when your server got some malware scripts scans different folders and then hides on folders like cgi-bin because they rarely are checked now.
I even wrote a script before that "monitors" different ...
How to initialise memory with new operator in C++?
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It's a surprisingly little-known feature of C++ (as evidenced by the fact that no-one has given this as an answer yet), but it actually has special syntax for value-initializing an array:
new int[10]();
Note that you must use the empty parentheses — ...
How to use multiple arguments for awk with a shebang (i.e. #!)?
...ns later, so in general portable answers are preferable, even if you don't now require portability.
– dubiousjim
Apr 19 '12 at 15:11
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An invalid form control with name='' is not focusable
...field (which was "required") and triggers this error. Solution, remove the now hidden "required" attribute from the form and rely on other method to ensure it is filled in.
– john
Apr 14 '17 at 3:43
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How to read environment variables in Scala
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Now that I use Scala on a daily basis, I must move the accepted answer to @paradigmatic's answer. It uses Scala API and if used as suggested in the comments can return an Option.
– summerbulb
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Parse JSON in TSQL
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Update: As of SQL Server 2016 parsing JSON in TSQL is now possible.
Natively, there is no support. You'll have to use CLR. It is as simple as that, unless you have a huge masochistic streak and want to write a JSON parser in SQL
Normally, folk ask for JSON output from the DB ...