... to select only 1 row from table DUAL . For example, I want to execute this query: 13 Answers ...

... A 'feature flag' (or Feature Toggle) is the ability to turn features (sub-sections) of your application on/off at easily: perhaps via a re-deploy, or some internal page where pages/features can be toggled live. I guess the example there was that it's handy ...

... simple plots from the command line. However, running R from bash scripts is not convenient at all. The ideal might be something like ...

...d error.log on my server that I need to frequently truncate. I have rw permissions for the file. Opening the file in vi > deleting all content > saving works (obviously). But when I try the below ...

...lity in much, much less code. The Netty Pipeline worked better for us. It is somehow simpler than MINAs, where everything is a handler and it is up to you to decide whether to handle upstream events, downstream events, both or consume more low-level stuff. Gobbling bytes in "replaying" decoders was...

...arget thread, without a intervening join() nor detach() on that object. This will have the same effect as option 1. You could design an exception which has a destructor which throws an exception. And then arrange for the target thread to throw this exception when it is to be forcefully terminated....

With :limit in query, I will get first N records. What is the easiest way to get last N records? 14 Answers ...

I want to have something like this: 15 Answers 15 ...

...So I need to compare against dates from today at 00:00am (midnight early this morning) to 12:00pm (midnight tonight). 19 An...

... that kind of stuff. When enabled, it will monitor every network request, displaying extended request details, including support for SSL and various request/reponse format, like JSON, etc... You can also configure it to sniff only requests to specific servers, not the whole traffic. It's commercia...