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Are there any smart cases of runtime code modification?
...as a time (long ago, I know), when computers had no instructions to return from a subroutine or to indirectly address memory. Self modifying code was the only way to implement subroutines, pointers and arrays.
More cases of code modification:
Many debuggers replace instructions to implement brea...
How to simulate a higher resolution screen? [closed]
...esolution throws this: "Your Screen Resolution is too small The pop-up you selected is too big for the screen resolution you use. Your screen resolution is 1440 pixels by 900 pixels. The pop-up window you tried to open is 1920 pixels by 1200. "
– HappyDeveloper
...
What is 'Context' on Android?
...xt(), getContext(), getBaseContext() or this (when in a class that extends from Context, such as the Application, Activity, Service and IntentService classes).
Typical uses of context:
Creating new objects:
Creating new views, adapters, listeners:
TextView tv = new TextView(getContext());
ListAd...
What is an uninterruptible process?
...ler is executed.
If the process is still running, it gets the return value from the system call, and it can make the same call again.
Returning early from the system call enables the user space code to immediately alter its behaviour in response to the signal. For example, terminating cleanly in r...
Which Java Collection should I use?
In this question How can I efficiently select a Standard Library container in C++11? is a handy flow chart to use when choosing C++ collections.
...
Programmatically obtain the phone number of the Android phone
...
how can we select first phone number automatically in android ?
– Noorul
Feb 11 at 6:04
add a comment
...
How to create a date and time picker in Android? [closed]
.... This Date object contains
// the date and time that the user has selected.
}
@Override
public void onDateTimeCancel()
{
// Overriding onDateTimeCancel() is optional.
}
};
Then you create and show the dialog:
new SlideDateTimePicker.Builder(getSupportFragment...
How do I use the nohup command without getting nohup.out?
... it avoids another problem: if a background process tries to read anything from standard input, it will pause, waiting for you to bring it back to the foreground and type something. So the extra-safe version looks like this:
nohup command </dev/null >/dev/null 2>&1 & # completely d...
Are memory leaks ever ok? [closed]
... a memory leak and it can impair your program. Future allocations can fail from this proces because I am sure you are checking that malloc returned non nil everywhere. by over using memory, such as in an embedded situation where memor is scarce this could be the difference between life and death.
...
Timeout function if it takes too long to finish [duplicate]
...ntation that creates a decorator (save the following code as timeout.py).
from functools import wraps
import errno
import os
import signal
class TimeoutError(Exception):
pass
def timeout(seconds=10, error_message=os.strerror(errno.ETIME)):
def decorator(func):
def _handle_timeout(...