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Why is an MD5 hash created by Python different from one created using echo and md5sum in the shell?
...will print the same checksum as your python script:
> echo -n mystringforhash | md5sum
86b6423cb6d211734fc7d81bbc5e11d3 -
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C++11 rvalues and move semantics confusion (return statement)
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First example
std::vector<int> return_vector(void)
{
std::vector<int> tmp {1,2,3,4,5};
return tmp;
}
std::vector<int> &&rval_ref = return_vector();
The first example returns a temporary which is caught by rval_re...
Using crontab to execute script every minute and another every 24 hours [closed]
...ght):
0 0 * * * /path/to/php /var/www/html/reset.php
See this reference for how crontab works: http://adminschoice.com/crontab-quick-reference, and this handy tool to build cron jobx: http://www.htmlbasix.com/crontab.shtml
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Django optional url parameters
...oo),
)
Keep in mind that in your view you'll also need to set a default for the optional URL parameter, or you'll get an error:
def foo(request, optional_parameter=''):
# Your code goes here
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How to get the result of OnPostExecute() to main activity because AsyncTask is a separate class?
...t the result from the OnPostExecute() in the AsyncTask . How can I pass or get the result to my main Activity?
17 Answer...
Difference between two lists
...xactly the right way to go. If your type overrides Equals and GetHashCode, or you're only interested in reference type equality (i.e. two references are only "equal" if they refer to the exact same object), you can just use:
var list3 = list1.Except(list2).ToList();
If you need to express a custo...
What is the meaning of the term arena in relation to memory?
I'm reading a book on memory as a programming concept. In one of the later chapters, the author makes heavy use of the word arena , but never defines it. I've searched for the meaning of the word and how it relates to memory, and found nothing. Here are a few contexts in which the author uses the...
Faye vs. Socket.IO (and Juggernaut)
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Disclosure: I am the author of Faye.
Regarding Faye, everything you've said is true.
Faye implements most of Bayeux, the only thing missing right now is service channels, which I've yet to be convinced of the usefulness of. In particular Faye is de...
Why can't the C# constructor infer type?
Why is type inference not supported for constructors the way it is for generic methods?
5 Answers
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How do I verify that an Android apk is signed with a release certificate?
...the Android SDK
(means it is unsigned), otherwise you will find something for CN.
For more details see: http://developer.android.com/guide/publishing/app-signing.html
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