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Where could I buy a valid SSL certificate? [closed]
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I just got two certificates from StartSSL today. One shows the lockpad in Safari (the other doesn't, oddly) and they both turn the bar green in Chrome. Has their trust level changed since this post?
– wjl
Apr 22 '14 at 21:27
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Best branching strategy when doing continuous integration?
...is developed on a separate branch, with task sub-branches for each change done by individual developer. As features stabilize they get merged to trunk, which you keep reasonably stable and passing all regression tests at all times. As you near the end of your release cycle and all feature branches m...
What is move semantics?
...se to me, and I am actually excited about C++0x now, with the exception of one. I still don't get move semantics ... What is it exactly?
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How to escape double quotes in a title attribute
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There is at least one situation where using single quotes will not work and that is if you are creating the markup "on the fly" from JavaScript. You use single quotes to contain the string and then any property in the markup can have double qu...
How to move a model between two Django apps (Django 1.7)
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I am removing the old answer as may result in data loss. As ozan mentioned, we can create 2 migrations one in each app. The comments below this post refer to my old answer.
First migration to remove model from 1st app.
$ python manage.py makemigrations old_app --empty
Edit migration file to...
When do you use map vs flatMap in RxJava?
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map transform one event to another.
flatMap transform one event to zero or more event. (this is taken from IntroToRx)
As you want to transform your json to an object, using map should be enough.
Dealing with the FileNotFoundException is ...
What is the equivalent of the C++ Pair in Java?
...ond" mean ?).
A better practice is to write a very simple class, like the one Mike proposed, for each application you would have made of the Pair class. Map.Entry is an example of a pair that carry its meaning in its name.
To sum up, in my opinion it is better to have a class Position(x,y), a clas...
Stack Memory vs Heap Memory [duplicate]
...w. It's a serious thing to encounter, but you really shouldn't come across one unless you have a crazy recursive function or something similar.
Heap memory is much as rskar says. In general, C++ objects allocated with new, or blocks of memory allocated with the likes of malloc end up on the heap. H...
Why can't the C# constructor infer type?
...u that we have a list literally longer than your arm of features that take one sentence to describe; had we twenty times the current budget we still would not want to implement everything on that list! You would not want to use a language where every possible feature that could be added was added, b...
Check if a given key already exists in a dictionary and increment it
... find out if a given key in that dictionary has already been set to a non-None value?
12 Answers
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