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Generate a random number in the range 1 - 10
... in: ERROR: operator does not exist: date + double precision Does trunc really return integers?
– Bogdan Gusiev
Jan 26 '10 at 12:44
3
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Percentage width in a RelativeLayout
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You are looking for the android:layout_weight attribute. It will allow you to use percentages to define your layout.
In the following example, the left button uses 70% of the space, and the right button 30%.
<LinearLayout
android:layout_width="match_parent"
android:layout_hei...
How to split data into training/testing sets using sample function
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@VedaadShakib when you use "-" it omit all the index in train_ind from your data. Take a look at adv-r.had.co.nz/Subsetting.html . Hope it helps
– dickoa
Aug 1 '16 at 22:05
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How to delete a folder with files using Java
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Java isn't able to delete folders with data in it. You have to delete all files before deleting the folder.
Use something like:
String[]entries = index.list();
for(String s: entries){
File currentFile = new File(index.getPath(),s);
currentFile.delete();
}
Then you should be able to ...
Allow multiple roles to access controller action
Right now I decorate a method like this to allow "members" to access my controller action
9 Answers
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Neither BindingResult nor plain target object for bean name available as request attribute [duplicat
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yes; In controller where you are calling login view. LIke.. @RequestMapping(value = "/", method = RequestMethod.GET) public String displayLogin( Model model) { model.addAttribute("login", new Login()); return "login"; }
– Vinay
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How to determine if a type implements an interface with C# reflection
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@PierreArnaud: IsAssignableFrom does eventually calls GetInterfaces, so probably your test checked the GetInterfaces first and IsAssignable after. That is because GetInterfaces caches it's results so the first invocation costs more
– Panos Theof
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HashMap to return default value for non-found keys?
Is it possible to have a HashMap return a default value for all keys that are not found in the set?
14 Answers
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Creating virtual directories in IIS express
...ation="*:1132:localhost" />
</bindings>
</site>
Practically you need to add a new application tag in your site for each virtual directory.
You get a lot of flexibility because you can set different configuration for the virtual directory (for example a different .Net Framework ve...
Running junit tests in parallel in a Maven build?
...>2.7.1</version>
<configuration>
<parallel>classes</parallel>
<threadCount>5</threadCount>
</configuration>
</plugin>
</plugins>
</build>
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