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What's the difference between xsd:include and xsd:import?
What's the difference between xsd:include and xsd:import ? When would you use one instead of the other, and when might it not matter?
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How can I write a heredoc to a file in Bash script?
...al 'EOF' (The LimitString) should not have any whitespace in front of the word, because it means that the LimitString will not be recognized.
In a shell script, you may want to use indentation to make the code readable, however this can have the undesirable effect of indenting the text within your ...
How do I merge two dictionaries in a single expression in Python (taking union of dictionaries)?
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How can I merge two Python dictionaries in a single expression?
For dictionaries x and y, z becomes a shallowly merged dictionary with values from y replacing those from x.
In Python 3.5 or greater:
z = {**x, **y}
In Python 2, (or 3.4 or lower) write a function:
def merge_two_dicts(x, y...
Difference between decimal, float and double in .NET?
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float and double are floating binary point types. In other words, they represent a number like this:
10001.10010110011
The binary number and the location of the binary point are both encoded within the value.
decimal is a floating decimal point type. In other words, they represent...
How to implement a good __hash__ function in python [duplicate]
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__hash__ should return the same value for objects that are equal. It also shouldn't change over the lifetime of the object; generally you only implement it for immutable objects.
A trivial implementation would be to just return 0. This is always correct, but perf...
乐高机器人®组件 · App Inventor 2 中文网
...色传感器
A component that provides a high-level interface to a color sensor on a
LEGO MINDSTORMS EV3 robot.
属性
AboveRangeEventEnabled
Specifies whether the AboveRange event should fire when the light level
goes above the TopOfRange.
BelowRangeEventEnabled
Specifies whether th...
Any reason to clean up unused imports in Java, other than reducing clutter?
Is there any good reason to avoid unused import statements in Java? As I understand it, they are there for the compiler, so lots of unused imports won't have any impacts on the compiled code. Is it just to reduce clutter and to avoid naming conflicts down the line?
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Split string in Lua?
...to do a simple split of a string, but there doesn't seem to be a function for this, and the manual way I tested didn't seem to work. How would I do it?
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Is it worthwile to learn assembly language? [closed]
Is it still worthwhile to learn ASM ?
7 Answers
7
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How do I query between two dates using MySQL?
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Your second date is before your first date (ie. you are querying between September 29 2010 and January 30 2010). Try reversing the order of the dates:
SELECT *
FROM `objects`
WHERE (date_field BETWEEN '2010-01-30 14:15:55' AND '2010-09-29 10:15:55...