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Adding two numbers concatenates them instead of calculating the sum
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They are actually strings, not numbers. The easiest way to produce a number from a string is to prepend it with +:
var x = +y + +z;
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MySQL Query - Records between Today and Last 30 Days
...to return all records that were added to the database within the last 30 days. I need to convert the date to mm/dd/yy because of display purposes.
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What is the difference between svg's x and dx attribute?
What is the difference between svg's x and dx attribute (or y and dy)? When would be a proper time to use the axis shift attribute (dx) versus the location attribute (x)?
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How to get the return value from a thread in python?
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In Python 3.2+, stdlib concurrent.futures module provides a higher level API to threading, including passing return values or exceptions from a worker thread back to the main thread:
import concurrent.futures
def foo(bar):
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Logic to test that 3 of 4 are True
I want to return True if and only if 3 out of 4 boolean values are true.
27 Answers
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How to set a single, main title above all the subplots with Pyplot?
I am using pyplot . I have 4 subplots. How to set a single, main title above all the subplots? title() sets it above the last subplot.
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How can I list all commits that changed a specific file?
Is there a way to list all commits that changed a specific file?
16 Answers
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How to get the Power of some Integer in Swift language?
I'm learning swift recently, but I have a basic problem that can't find an answer
20 Answers
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Python Matplotlib figure title overlaps axes label when using twiny
I am trying to plot two separate quantities on the same graph using twiny as follows:
6 Answers
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UIGestureRecognizer on UIImageView
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Check that userInteractionEnabled is YES on the UIImageView. Then you can add a gesture recognizer.
imageView.userInteractionEnabled = YES;
UIPinchGestureRecognizer *pgr = [[UIPinchGestureRecognizer alloc]
initWithTarget:self action:@selector(handlePinch:...