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C# nullable string error
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304
System.String is a reference type and already "nullable".
Nullable<T> and the ? suffix a...
Stop handler.postDelayed()
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edited Oct 14 '19 at 10:55
Juan José Melero Gómez
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Bash conditionals: how to “and” expressions? (if [ ! -z $VAR && -e $VAR ])
...ypal singh
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10
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Error handling in Bash
... trap!
tempfiles=( )
cleanup() {
rm -f "${tempfiles[@]}"
}
trap cleanup 0
error() {
local parent_lineno="$1"
local message="$2"
local code="${3:-1}"
if [[ -n "$message" ]] ; then
echo "Error on or near line ${parent_lineno}: ${message}; exiting with status ${code}"
else
echo "E...
Merge two branch revisions using Subversion
I'd like to merge all the changes that took place between rev 10 & the HEAD rev on http://url-of-branch-a and apply them to http://url-of-branch-b .
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Declaring a default constraint when creating a table
I am creating a new table in Microsoft SQL server 2000 by writing the code instead of using the GUI, I am trying to learn how to do it "the manual way".
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Why is System.Web.Mvc not listed in Add References?
Using C#, Visual Studio 2010.
14 Answers
14
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Converting from Integer, to BigInteger
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240
The method you want is BigInteger#valueOf(long val).
E.g.,
BigInteger bi = BigInteger.valueOf(...
Objective-C class -> string like: [NSArray className] -> @“NSArray”
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306
NSString *name = NSStringFromClass ([NSArray class]);
You can even go back the other way:
Cl...
Plotting a list of (x, y) coordinates in python matplotlib
...er this example:
import numpy as np
import matplotlib.pyplot as plt
N = 50
x = np.random.rand(N)
y = np.random.rand(N)
plt.scatter(x, y)
plt.show()
will produce:
To unpack your data from pairs into lists use zip:
x, y = zip(*li)
So, the one-liner:
plt.scatter(*zip(*li))
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