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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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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...
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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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...
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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Assigning a variable NaN in python without numpy
...35\lib\fractions.py", line 214, in from_float
raise ValueError("Cannot convert %r to %s." % (f, cls.__name__))
ValueError: Cannot convert nan to Fraction.
Incidentally, you can also do float('Inf'), Decimal('Inf'), or math.inf (3.5+) to assign infinite numbers. (And also see math.isinf(...))...
Pragma in define macro
...rgument
except it can be used in macros (see section 6.10.9 of the c99 standard, or 16.9 of the c++0x final committee draft)
For example,
#define STRINGIFY(a) #a
#define DEFINE_DELETE_OBJECT(type) \
void delete_ ## type ## _(int handle); \
void delet...
PostgreSQL delete all content
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Use the TRUNCATE TABLE command.
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How can I catch a ctrl-c event?
...;stdlib.h>
#include <stdio.h>
#include <unistd.h>
void my_handler(int s){
printf("Caught signal %d\n",s);
exit(1);
}
int main(int argc,char** argv)
{
struct sigaction sigIntHandler;
sigIntHandler.sa_handler = my_handler;
sigemptyset(&sigIntHand...
