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NUnit's Assert.Equals throws exception “Assert.Equals should not be used for assertions”
...nded for equality comparison are the Assert.AreEqual() methods. Therefore, calling the Object.Equals() method through the Assert class in a unit test is certainly a mistake. In order to prevent this mistake and avoid confusion, the developers of NUnit have intentionally hidden Object.Equals in the A...
Python Write bytes to file
I have a function that returns a string. The string contains carriage returns and new line feeds (0x0D, 0x0A). However when I write to a file it contains only the new line feeds. Is there a way to get the output to include the carriage return and the new line feed.
...
Bash Script: count unique lines in file
...ns of lines) containing IP addresses and ports from a several hour network capture, one ip/port per line. Lines are of this format:
...
SqlAlchemy - Filtering by Relationship Attribute
I don't have much experience with SQLAlchemy and I have a problem, which I can't solve. I tried searching and I tried a lot of code.
This is my Class (reduced to the most significant code):
...
PostgreSQL delete with inner join
...ered Jul 30 '15 at 18:41
Robert CaseyRobert Casey
1,0211414 silver badges1717 bronze badges
...
pandas resample documentation
...frequency
C custom business day frequency (experimental)
D calendar day frequency
W weekly frequency
M month end frequency
SM semi-month end frequency (15th and end of month)
BM business month end frequency
CBM custom business month end frequency
M...
What is the difference between Collections.emptyList() and Collections.EMPTY_LIST
...t is probably always preferable. This way, you don't need to unnecessarily cast around within your code.
Collections.emptyList() intrinsically does the cast for you.
@SuppressWarnings("unchecked")
public static final <T> List<T> emptyList() {
return (List<T>) EMPTY_LIST;
}
...
What is the use of the pipe symbol in YAML?
...that any indented text that follows should be interpreted as a multi-line scalar value. See the YAML spec.
Specifically, the pipe indicates that (except for the indentation) the scalar value should be interpreted literally in such a way that preserves newlines. Conversely, the > character indi...
How to deal with “data of class uneval” error from ggplot2?
...
Another cause is accidentally putting the data=... inside the aes(...) instead of outside:
RIGHT:
ggplot(data=df[df$var7=='9-06',], aes(x=lifetime,y=rep_rate,group=mdcp,color=mdcp) ...)
WRONG:
ggplot(aes(data=df[df$var7=='9-06',],x...
Groovy / grails how to determine a data type?
...
To determine the class of an object simply call:
someObject.getClass()
You can abbreviate this to someObject.class in most cases. However, if you use this on a Map it will try to retrieve the value with key 'class'. Because of this, I always use getClass() even tho...