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Add table row in jQuery
...ows, there will be no tbody unless you have specified one yourself.
DaRKoN_ suggests appending to the tbody rather than adding content after the last tr. This gets around the issue of having no rows, but still isn't bulletproof as you could theoretically have multiple tbody elements and the row wou...
How and where are Annotations used in Java?
...or areas that we can use Annotations? Is the feature a replacement for XML based configuration?
15 Answers
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Drawable image on a canvas
...urces();
Bitmap bitmap = BitmapFactory.decodeResource(res, R.drawable.your_image);
Then make the bitmap mutable and create a canvas over it:
Canvas canvas = new Canvas(bitmap.copy(Bitmap.Config.ARGB_8888, true));
You then can draw on the canvas.
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Way to get number of digits in an int?
...
Your String-based solution is perfectly OK, there is nothing "un-neat" about it. You have to realize that mathematically, numbers don't have a length, nor do they have digits. Length and digits are both properties of a physical represent...
Why do indexes in XPath start with 1 and not 0?
...ng about our experience with VBScript with its odd features such as 1-based index instead of 0-based indexes like almost every other language has, the reasoning being that it was a language for users (e.g. Excel VBA) instead of a language for developers.
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Is there a way to get the source code from an APK file?
...Follow the steps:
download apktool.bat (or apktool for Linux) and apktool_<version>.jar from http://ibotpeaches.github.io/Apktool/install/
rename the jar file from above to apktool.jar and put both files in the same folder
open a dos box (cmd.exe) and change into that folder; verify that a...
What should go into an .h file?
...s imagine we have a templated MyObject. We could have:
// - - - - MyObject_forward.hpp - - - -
// This header is included by the code which need to know MyObject
// does exist, but nothing more.
template<typename T>
class MyObject ;
.
// - - - - MyObject_declaration.hpp - - - -
// This h...
Executing multiple commands from a Windows cmd script
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@TheM Windows distinguishes between GUI-based and command-based applications (there is a flag in near the beginning of the EXE file). If you start a GUI-based application from the command line it always appears to end immediately since it is completely detached fro...
How to get request URI without context path?
... return null), then your best bet is to substring the request URI yourself based on the context path's length using the usual String method:
HttpServletRequest request = (HttpServletRequest) req;
String path = request.getRequestURI().substring(request.getContextPath().length());
// ...
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Implements vs extends: When to use? What's the difference?
...ments used for implementing an interface and extends used for extension of base class behaviour or abstract class.
extends: A derived class can extend a base class. You may redefine the behaviour of an established relation. Derived class "is a" base class type
implements: You are implementing a c...