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How do you use “
I just finished reading about scoping in the R intro , and am very curious about the <<- assignment.
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How do I negate a condition in PowerShell?
How do I negate a conditional test in PowerShell?
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Sqlite LIMIT / OFFSET query
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The two syntax forms are a little confusing because they reverse the numbers:
LIMIT <skip>, <count>
Is equivalent to:
LIMIT <count> OFFSET <skip>
It's compatible with the syntax from MySQL and PostgreSQL. MySQL supports both syntax fo...
How to convert a LocalDate to an Instant?
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The Instant class represents an instantaneous point on the time-line. Conversion to and from a LocalDate requires a time-zone. Unlike some other date and time libraries, JSR-310 will not select the time-zone for you automatically...
Why an interface can not implement another interface?
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implements means implementation, when interface is meant to declare just to provide interface not for implementation.
A 100% abstract class is functionally equivalent to an interface but it can also have implementation if you wish (in this case it won't remain 1...
How to get MD5 sum of a string using python?
In the Flickr API docs , you need to find the MD5 sum of a string to generate the [api_sig] value.
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What is the Ruby (spaceship) operator?
...language to use it. Groovy is another language that supports it. Basically instead of returning 1 (true) or 0 (false) depending on whether the arguments are equal or unequal, the spaceship operator will return 1, 0, or −1 depending on the value of the left argument relative to the right argument.
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Foreign key from one app into another in Django
I'm wondering if it's possible to define a foreign key in a models.py file in Django that is a reference to a table in another app?
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Python: Using .format() on a Unicode-escaped string
I am using Python 2.6.5. My code requires the use of the "more than or equal to" sign. Here it goes:
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DbArithmeticExpression arguments must have a numeric common type
This Linq expression throws this exception:
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