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How to prevent gcc optimizing some statements in C?
... memory stores and loads. One purpose of volatile is to let the compiler know that the memory access has side effects, and therefore must be preserved. In this case, the store has the side effect of causing a page fault, and you want the compiler to preserve the page fault.
This way, the surround...
Writing a Python list of lists to a csv file
...pd = pandas.DataFrame(not_index_list, columns = columns, index = index)
#Now you have a csv with columns and index:
pd.to_csv("mylist.csv")
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Declaring abstract method in TypeScript
...e property is marked as protected. This was added in TypeScript 1.3 and is now firmly established.
The makeSound method is marked as abstract, as is the class. You cannot directly instantiate an Animal now, because it is abstract. This is part of TypeScript 1.6, which is now officially live.
abstr...
Unable to locate tools.jar
...
@olidev checking this now but still can't stop pointing out the issue!! How can this be your answer? You have already mentioned that you have installed jdk and jre. I'm actually facing a similar problem and it still continues :-( . Need to know ho...
Why is it string.join(list) instead of list.join(string)?
...ace UCS2/4. To calculate total buffer length of UTF-8 strings it needs to know character coding rule.
At that time, Python had already decided on a common sequence interface rule where a user could create a sequence-like (iterable) class. But Python didn't support extending built-in types until 2.2....
How can I produce an effect similar to the iOS 7 blur view?
... API for this, and said that this approach was the "least evil" option for now and is fairly safe as written. Specifically he said do not try to do any animations of the frame or transform of this toolbar/view or anything like that, or bad things will happen. He also strongly suggested to file Radar...
What is the purpose of the word 'self'?
...stance attributes. That's why assigning to an instance attribute needs to know what instance to assign to, and that's why it needs self..
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Converting Long to Date in Java returns 1970
...nt of whole seconds since the same epoch reference of 1970-01-01T00:00Z.
Know Your Data
People use various precisions in tracking time as a number since an epoch. So when you obtain some numbers to be interpreted as a count since an epoch, you must determine:
What epoch?Many epochs dates have been...
How do you create a daemon in Python?
... reference implementation of PEP 3143 (Standard daemon process library) is now available as python-daemon.
Historical answer
Sander Marechal's code sample is superior to the original, which was originally posted in 2004. I once contributed a daemonizer for Pyro, but would probably use Sander's co...
“Deprecation warning: moment construction falls back to js Date” when trying to convert RFC2822 date
...r date string:
moment('2014-04-23T09:54:51');
Pass in the string you have now, but tell Moment what format the string is in:
moment('Wed, 23 Apr 2014 09:54:51 +0000', 'ddd, DD MMM YYYY HH:mm:ss ZZ');
Convert your string to a JavaScript Date object and then pass that into Moment:
moment(new Date('...