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What are the use cases of Graph-based Databases (http://neo4j.org/)? [closed]
... still is).
The reason we used a graph database was that the data being stored by the system and the operations the system was doing with the data were exactly the weak spot of relational databases and were exactly the strong spot of graph databases. The system needed to store collections of object...
TypeError: 'NoneType' object is not iterable in Python
What does error TypeError: 'NoneType' object is not iterable mean?
7 Answers
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MongoDB inserts float when trying to insert integer
...ed to explicitly specify what type of number we want to use e.g. NumberInt or NumberLong. docs.mongodb.org/manual/core/shell-types
– Yadu
Sep 19 '13 at 16:31
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Why do we use Base64?
...ding and Base64 encoding are interchangeable. They are not. They are used for different purposes.
When you encode text in ASCII, you start with a text string and convert it to a sequence of bytes.
When you encode data in Base64, you start with a sequence of bytes and convert it to a text string.
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How can I open Windows Explorer to a certain directory from within a WPF app?
...application, when a user clicks on a button I want to open the Windows explorer to a certain directory, how do I do that?
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How to debug heap corruption errors?
...ngly random occasions, I get a "Windows has triggered a break point..." error with a note that this might be due to a corruption in the heap. These errors won't always crash the application right away, although it is likely to crash short after.
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Must Dependency Injection come at the expense of Encapsulation?
If I understand correctly, the typical mechanism for Dependency Injection is to inject either through a class' constructor or through a public property (member) of the class.
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How to grab substring before a specified character jQuery or JavaScript
I am trying to extract everything before the ',' comma. How do I do this in JavaScript or jQuery? I tried this and not working..
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'Static readonly' vs. 'const'
...s. We have some classes which contain only constant values. They are used for various things around in our system. So I am wondering if my observation is correct:
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How do I execute a string containing Python code in Python?
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For statements, use exec(string) (Python 2/3) or exec string (Python 2):
>>> mycode = 'print "hello world"'
>>> exec(mycode)
Hello world
When you need the value of an expression, use eval(string):
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