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How to find the sum of an array of numbers
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Non-number inputs
If non-numbers are possible inputs, you may want to handle that?
console.log(
["hi", 1, 2, "frog"].reduce((a, b) => a + b)
)
let numOr0 = n => isNaN(n) ? 0 : n
console.log(
["hi", 1, 2, "frog"].reduce((a, b) =>
numOr0(a) + numOr0(b))
)
No...
Convert List into Comma-Separated String
...{ 1, 2, 3, 4, 5 })
String.Join will take a list as a the second parameter and join all of the elements using the string passed as the first parameter into one single string.
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How do you clone a BufferedImage
...he bufferedimages into the new object, but these new images may be altered and i don't want the original object images to be altered by altering the new objects images.
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Remove scroll bar track from ScrollView in Android
My Android app has a main WebView (HTML loaded from a local resource) which I want to use the entire width of the screen and be able to make (vertically) scrollable. So I've wrapped the WebView in a ScrollView in my layout XML, but no matter what I do I can't seem to be able to remove the scroll bar...
Calculating how many minutes there are between two times
I have a datagridview in my application which holds start and finish times. I want to calculate the number of minutes between these two times. So far I have got:
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How do I tell matplotlib that I am done with a plot?
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There is a clear figure command, and it should do it for you:
plt.clf()
If you have multiple subplots in the same figure
plt.cla()
clears the current axes.
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Is an array an object in java
... Until now I always assumed an object was synonymous with class instance and that arrays were a special language feature or something.
– Ruben9922
Aug 9 '17 at 12:40
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Step out of current function with GDB
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You can use the finish command.
finish: Continue running until just after function in the selected stack frame returns. Print the returned value (if any). This command can be abbreviated as fin.
(see https://sourceware.org/gdb/current/onlinedocs/...
In Python script, how do I set PYTHONPATH?
I know how to set it in my /etc/profile and in my environment variables.
6 Answers
6
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How to programmatically determine the current checked out Git branch [duplicate]
...king the current branch programatically, from June 10, 2013 explains whys (and hows) in more detail.
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