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Should I use static_cast or reinterpret_cast when casting a void* to whatever
... fact that every use of reinterpret_cast is downright dangerous because it converts anything to anything else really (for pointers), while static_cast is much more restrictive, thus providing a better level of protection. This has already saved me from bugs where I accidentally tried to coerce one p...
Android update activity UI from service
...tivity UI to show that info.
I did find https://github.com/commonsguy/cw-andtutorials/tree/master/18-LocalService/ this example. Is that a good approch ? Any other examples?
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Tree data structure in C#
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My best advice would be that there is no standard tree data structure because there are so many ways you could implement it that it would be impossible to cover all bases with one solution. The more specific a solution, the less likely it is applicable to any given p...
How can I enable or disable the GPS programmatically on Android?
I know that the question about turning on/off GPS programatically on android has been discussed many times , and the answer is always the same:
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ExpandableListView - hide indicator for groups with no children
In an ExpandableListView , is there a way to hide the group indicator for groups with no children?
13 Answers
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How to properly create composite primary keys - MYSQL
... gross oversimplification of an intense setup I am working with. table_1 and table_2 both have auto-increment surrogate primary keys as the ID. info is a table that contains information about both table_1 and table_2 .
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Java: using switch statement with enum under subclass
First I'll state that I'm much more familiar with enums in C# and it seems like enums in java is a quite mess.
6 Answers
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How do I analyze a program's core dump file with GDB when it has command-line parameters?
... file.
After you get inside the GDB prompt (on execution of the above command), type:
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(gdb) where
This will get you with the information, of the stack, where you can analayze the cause of the crash/fault.
Other command, for the same purposes is:
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(gdb) bt full
This is the same as above...
What is the main purpose of setTag() getTag() methods of View?
What is the main purpose of such methods as setTag() and getTag() of View type objects?
7 Answers
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Can I use assert on Android devices?
I want to use the Assert keyword in my android apps to destroy my app in some cases on the emulator, or my device during testing. Is this possible?
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