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Integrate ZXing in Android Studio
...ependencies {
implementation 'com.journeyapps:zxing-android-embedded:3.0.2@aar'
implementation 'com.google.zxing:core:3.2.0'
}
and Gradle does all the magic to compile the code and makes it accessible in your app.
To start the Scanner afterwards, use this class/method:
From the Activity:
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Creating temporary files in bash
...voke mktemp something like
mydir=$(mktemp -d "${TMPDIR:-/tmp/}$(basename $0).XXXXXXXXXXXX")
which creates a temporary directory I can work in, and in which I can safely name the actual files something readable and useful.
mktemp is not standard, but it does exist on many platforms. The "X"s will...
What exactly does an #if 0 … #endif block do?
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edited May 17 '10 at 21:31
answered May 17 '10 at 21:24
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Converting file size in bytes to human-readable string
...ng, floppy disks use a mixture of the two systems - their 1MB is actually 1024000 bytes.
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What is “point free” style (in Functional Programming)?
...you specify the arguments explicitly):
sum (x:xs) = x + (sum xs)
sum [] = 0
Point-free (sum doesn't have any explicit arguments - it's just a fold with + starting with 0):
sum = foldr (+) 0
Or even simpler: Instead of g(x) = f(x), you could just write g = f.
So yes: It's closely related to c...
Regex to replace everything except numbers and a decimal point
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Use this:
document.getElementById(target).value = newVal.replace(/[^0-9.]/g, "");
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How to change UIPickerView height
...time, e.g:
smallerPicker = [[UIPickerView alloc] initWithFrame:CGRectMake(0.0, 0.0, 320.0, 120.0)];
You will discover that at various heights and widths, there are visual glitches. Obviously, these glitches would either need to be worked around somehow, or choose another size that doesn't exhibit ...
Creating an empty Pandas DataFrame, then filling it?
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350
Here's a couple of suggestions:
Use date_range for the index:
import datetime
import pandas as...
awk without printing newline
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answered Jan 7 '10 at 16:56
CodeRainCodeRain
5,18444 gold badges2323 silver badges3232 bronze badges
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Adjust list style image position?
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209
Not really. Your padding is (probably) being applied to the list item, so will only affect the ...