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JPA and Hibernate - Criteria vs. JPQL or HQL
What are the pros and cons of using Criteria or HQL ? The Criteria API is a nice object-oriented way to express queries in Hibernate, but sometimes Criteria Queries are more difficult to understand/build than HQL.
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How do I get current date/time on the Windows command line in a suitable format for usage in a file/
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On my system %TIME% returns values like " 0:01:15" and " 3:15:12" and the %%a%%b code in the answer gives a leading space like " 001" and " 315". To get a four digit hhmm use this: For /f "tokens=1-2 delims=/: " %%a in ("%TIME%") do (if %%a LSS 10 (set mytime=0%%a%%b) else (s...
Is it possible for a computer to “learn” a regular expression by user-provided examples?
...ton, it is possible to learn some regular expressions by a program. Kearns and Valiant show some cases where it is not possible to learn a finite automaton. A related problem is learning hidden Markov Models, which are probabilistic automata that can describe a character sequence. Note that most mod...
When should I use double or single quotes in JavaScript?
...r use of single vs. double in different libraries is programmer preference and/or API consistency. Other than being consistent, use whichever best suits the string.
Using the other type of quote as a literal:
alert('Say "Hello"');
alert("Say 'Hello'");
This can get complicated:
alert("It's \"game\"...
How do I resolve “HTTP Error 500.19 - Internal Server Error” on IIS7.0 [closed]
...eb site directory, so it can't read config from there. Check the app pool and see what user it is configured to run as. Check the directory and see if that user has appropriate rights to it. While you're at it, check the event log and see if IIS logged any more detailed diagnostic information the...
How to link Docker services across hosts?
...allows servers from multiple containers to connect to each other via links and service discovery . However, from what I can see this service discovery is host-local. I would like to implement a service that uses other services hosted on a different machine.
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What exactly is Spring Framework for? [closed]
...The problem
For example, suppose you need to list the users of the system and thus declare an interface called UserLister:
public interface UserLister {
List<User> getUsers();
}
And maybe an implementation accessing a database to get all the users:
public class UserListerDB implements...
What's the difference between and in servlet
...ort for general annotations such as @Required, @Autowired, @PostConstruct, and so on.
<mvc:annotation-driven /> declares explicit support for annotation-driven MVC controllers (i.e. @RequestMapping, @Controller, although support for those is the default behaviour), as well as adding support f...
View markdown files offline [closed]
... referring to showing the README.md file as it would come out in Github, and not as for editing purposes.
34 Answers
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Is there a real solution to debug cordova apps [closed]
...trying to figure out how to debug an HTML5 app I created using Cordova 3.2 and deployed to an Android 2.3 device. All the articles/posts I've seen provide hacks rather than real solutions :( and most of the time, none of them works for my case; debug the css styles and the Angularjs code inside my a...