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SetUnhandledExceptionFilter and the C/C++ Runtime Library - C/C++ - 清泛网 - 专注C/C++及内核技术
...ler);
std::cout << "Normal null pointer crash" << std::endl;
char *p = 0;
*p = 5;
}
The program should then display:
Normal null pointer crash
Gotcha!
The C/C++ Runtime Library
The C/C++ Runtime Library will remove any custom crash handler in certain circumstances, and our...
How to quit android application programmatically
...ivity of your app? Well, either configure it so it doesn't, or you need an extra option. If most of the time the back=previous-activity works, wouldn't the user just press home if he/she wants to do something else?
If you need some sort of reset, you can find out if/how/etc your application was quit...
How to deal with a slow SecureRandom generator?
...RNG, do something like this:
SecureRandom.getInstance("SHA1PRNG");
What strings are supported depends on the SecureRandom SPI provider, but you can enumerate them using Security.getProviders() and Provider.getService().
Sun is fond of SHA1PRNG, so it's widely available. It isn't especially fast ...
How to avoid circular imports in Python? [duplicate]
...on of absolute imports and functions for better reading and shorter access strings.
Advantage: Shorter access strings compared to pure absolute imports
Disadvantage: a bit more overhead due to extra function call
main/sub/a.py
import main.sub.b
b_mod = lambda: main.sub.b
class A():
def __...
Redirect parent window from an iframe action
...ttribute is abscent all actions are allowed. If it is present and an empty string, all actions are denied.
– Marcus Harrison
Jul 3 '17 at 16:03
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What's the best practice for primary keys in tables?
...
Just an extra comment on something that is often overlooked. Sometimes not using a surrogate key has benefits in the child tables. Let's say we have a design that allows you to run multiple companies within the one database (maybe it...
How to identify CAAnimation within the animationDidStop delegate?
...for this very purpose. Just take out the call to setValue and move the key string to the addAnimation call. For example:
[[hearingAidHalo layer] addAnimation:animation forKey:@"Throb"];
Then, in your animationDidStop callback, you can do something like:
if (theAnimation == [[hearingAidHalo layer...
Python division
... beginning from the first division, i.e. the leftmost one, we use floats.
Extra 1: If you are trying to answer that to improve arithmetic evaluation, you should check this
Extra 2: Please be careful of the following scenario:
>>> a = float(1/2/3/4/5/4/3)
>>> a
0.0
...
How to only get file name with Linux 'find'?
...'
You can also use $PWD instead of . (on some systems it won't produce an extra dot in the front).
If you still got an extra dot, alternatively you can run:
find . -type f -execdir basename '{}' ';'
-execdir utility [argument ...] ;
The -execdir primary is identical to the -exec primary with the...
How to parse/read a YAML file into a Python object? [duplicate]
...t form a path to a node in the representation graph. Paths elements can be string values, integers, or None. The kind of a node can be str, list, dict, or None.
#!/usr/bin/env python
import yaml
class Person(yaml.YAMLObject):
yaml_tag = '!person'
def __init__(self, name):
self.name = name...