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How do you test to see if a double is equal to NaN?
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}
// 2. object's method
if (doubleObject.isNaN()) {
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}
Simply doing:
if (var == Double.NaN) {
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}
is not sufficient due to how the IEEE standard for NaN and floating point numbers is defined.
share
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How to use a filter in a controller?
...ten a filter function which will return data based on the argument you are passing. I want the same functionality in my controller. Is it possible to reuse the filter function in a controller?
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How to go to each directory and execute a command?
How do I write a bash script that goes through each directory inside a parent_directory and executes a command in each directory .
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Convert command line arguments into an array in Bash
How do I convert command-line arguments into a bash script array?
7 Answers
7
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Numpy: Get random set of rows from 2D array
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>>> A = np.random.randint(5, size=(10,3))
>>> A
array([[1, 3, 0],
[3, 2, 0],
[0, 2, 1],
[1, 1, 4],
[3, 2, 2],
[0, 1, 0],
[1, 3, 1],
[0, 4, 1],
[2, 4, 2],
[3, 3, 1...
How do I specify the Linq OrderBy argument dynamically?
How do I specify the argument passed to orderby using a value I take as a parameter?
11 Answers
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Can a local variable's memory be accessed outside its scope?
...l variable inaccessible outside its function?
You rent a hotel room. You put a book in the top drawer of the bedside table and go to sleep. You check out the next morning, but "forget" to give back your key. You steal the key!
A week later, you return to the hotel, do not check in, sneak into yo...
How to check if a column exists in a SQL Server table?
I need to add a specific column if it does not exist. I have something like the following, but it always returns false:
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How to test which port MySQL is running on and whether it can be connected to?
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To find a listener on a port, do this:
netstat -tln
You should see a line that looks like this if mysql is indeed listening on that port.
tcp 0 0 127.0.0.1:3306 0.0.0.0:* LISTEN
Port 3306 is MyS...
How to recover stashed uncommitted changes
I had some uncommitted changes in my development branch and I stashed them using git stash , but there were some changes which were very important among those stashed ones. Is there any way to get back those changes?
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