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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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Difference between size_t and std::size_t
...w). Its defined as unsigned integer type of the result of the sizeof operator.
C Standard says in §17.7/2,
size_t which is the unsigned integer type of the result of the sizeof operator
And C++ Standard says (about cstddef header) in §18.1/3,
The contents are the same as the Standard C ...
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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'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 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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Can comments be used in JSON?
... be data too.
You could have a designated data element called "_comment" (or something) that would be ignored by apps that use the JSON data.
You would probably be better having the comment in the processes that generates/receives the JSON, as they are supposed to know what the JSON data will be i...