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How do you get a string from a MemoryStream?
...
Using a StreamReader to convert the MemoryStream to a String.
<Extension()> _
Public Function ReadAll(ByVal memStream As MemoryStream) As String
' Reset the stream otherwise you will just get an empty string.
' Remember the position s...
How can I make my own base image for Docker?
...r-containers/ , which explains better
Create the tar files for your file system, simply could be
tar --numeric-owner --exclude=/proc --exclude=/sys -cvf centos6-base.tar /
Transfer the tar file to other docker system if not installed locally and import it
cat centos6-base.tar | docker import -...
How do I check that a number is float or integer?
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The only "downside" I see is that the given number n is converted to a string by parseInt. See MDN. But I will use this solution. :)
– RhinoDevel
Nov 13 '15 at 10:28
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Repeat each row of data.frame the number of times specified in a column
...q(nrow(df)), df$freq), 1:2]
The code for data.table is a tad cleaner:
# convert to data.table by reference
setDT(df)
df.expanded <- df[rep(seq(.N), freq), !"freq"]
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Difference between two dates in Python
... d2 = d2.strftime("%Y-%m-%d")
return abs((d2 - d1).days)
This will convert your datetime objects to strings but, two things
1) Trying to do d2 - d1 will fail as you cannot use the minus operator on strings and
2) If you read the first line of the above answer it stated, you want to use the ...
Java8 Lambdas vs Anonymous classes
... obvious code that java can infer.
By using invoke dynamic, lambda are not converted back to the anonymous classes during compile time (Java do not have to go through creating objects, just care about signature of the method, can bind to method without creating object
lambda put more emphasis on wha...
Asking the user for input until they give a valid response
... input_value = input("Please enter your age: ")
try:
# try and convert the string input to a number
age = int(input_value)
except ValueError:
# tell the user off
print("{input} is not a number, please enter a number only".format(input=input_value))
if age >...
JavaScript/jQuery to download file via POST with JSON data
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It will corrupt binary files, because they get converted to strings using encoding, and result is not very close to original binary...
– Gobol
Feb 27 '17 at 7:40
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What new capabilities do user-defined literals add to C++?
...0101010101010101_bits");
}
The advantage is that a run-time exception is converted to a compile-time error.
You couldn't add the static assert to the bitset ctor taking a string (at least not without string template arguments).
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Switch statement: must default be the last case?
... controlling
expression. The constant expression in
each case label is converted to the
promoted type of the controlling
expression. If a converted value
matches that of the promoted
controlling expression, control jumps
to the statement following the matched
case label. Otherwise, ...