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Cannot change version of project facet Dynamic Web Module to 3.0?

... And then: Right-click on the project (in the Project Explorer panel). Select Maven » Update Project (or press Alt+F5) You'll find this file in the .settings directory within the Eclipse project. share | ...
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Allow user to select camera or gallery for image

... How to launch a single Intent to select images from either the Gallery or the Camera, or any application registered to browse the filesystem. Rather than creating a Dialog with a list of Intent options, it is much better to use Intent.createChooser in order...
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“Undefined reference to” template class constructor [duplicate]

...e in order to ensure this problem never happens! (cola<int>, cola<char>, cola<ostream>, cola< cola<int> > ... and so on ...) The two answers are: Tell the compiler, at the end of cola.cpp, which particular template classes will be required, forcing it to compile cola...
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Django in / not in query

... table1.objects.extra(where=["table1.id NOT IN (SELECT table2.key_to_table1 FROM table2 WHERE table2.id = some_parm)"]) share | improve this answer | ...
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No visible cause for “Unexpected token ILLEGAL”

...e error is raised if, for example, you try to run a js file with a rogue @ character, a misplaced curly brace, bracket, "smart quotes", single quotes not enclosed properly (e.g. this.run('dev1)) and so on. A lot of different situations can cause this error. But if you don't have any obvious syntax ...
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ListCtrl 重绘(Custom Draw) - C/C++ - 清泛网 - 专注C/C++及内核技术

...绘制的SubItem的Index值 l 正被绘制的Item的状态值(selected, grayed, 等等) l Item的LPARAM值,就是你使用CListCtrl::SetItemData所设的那个值 上述所有的信息对你来说可能都很重要,这取决于你想实现什么效果,但最经常用到...
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Separation of business logic and data access in django

...ActivateUserForm(forms.Form): user_id = IntegerField(widget = UsernameSelectWidget, verbose_name="Select a user to activate") # the username select widget is not a standard Django widget, I just made it up def clean_user_id(self): user_id = self.cleaned_data['user_id'] ...
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Is there a C# type for representing an integer Range?

...sult = new List<int>(); string[] lines = input.Split(new char[] {';', ','}); foreach (string line in lines) { try { int temp = Int32.Parse(line); result.Add(temp); } ...
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How to install both Python 2.x and Python 3.x in Windows

...ed Python 2.7.6. How to... Start > in the search type in environment select "Edit environment variables to your account"1 Scroll down to Path, select path, click edit. Add C:\Python27; so you should have paths to both versions of Python there, but if you don't this you can easily edit it so th...
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How to convert a List into a comma separated string without iterating List explicitly [dupli

... public static String join(Object[] array, char separator) public static String join(Iterable<?> iterator, char separator) Joins the elements of the provided array/iterable into a single String containing the provided list of ...