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Why do I get TypeError: can't multiply sequence by non-int of type 'float'?
...ead the syntax error before posting here and using Google. I was trying to convert the raw_input for salesAmount to an int rather than a float. Do you know why int will not work, but rather float would? Bare with me, lol.
– SD.
Jan 27 '09 at 23:39
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Python argparse command line flags without arguments
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Here's a quick way to do it, won't require anything besides sys.. though functionality is limited:
flag = "--flag" in sys.argv[1:]
[1:] is in case if the full file name is --flag
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How do I write output in same place on the console?
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You can also use the carriage return:
sys.stdout.write("Download progress: %d%% \r" % (progress) )
sys.stdout.flush()
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converting Java bitmap to byte array
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Since this question has the Android tag, converting bytes back to a Bitmap can also be done with a one-liner: Bitmap bmp = BitmapFactory.decodeByteArray(bytes, 0, bytes.length) where bytes is your byte array
– automaton
Aug 29...
How to get a Color from hexadecimal Color String
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Convert that string to an int color which can be used in setBackgroundColor and setTextColor
String string = "#FFFF0000";
int color = Integer.parseInt(string.replaceFirst("^#",""), 16);
The 16 means it is hexadecimal and n...
How to beautify JSON in Python?
...thon solution that colors json data supplied via the command line:
import sys
import json
from pygments import highlight, lexers, formatters
formatted_json = json.dumps(json.loads(sys.argv[1]), indent=4)
colorful_json = highlight(unicode(formatted_json, 'UTF-8'), lexers.JsonLexer(), formatters.Ter...
Conveniently map between enum and int / String
...utility:
public class ReverseEnumMap<V extends Enum<V> & EnumConverter> {
private Map<Byte, V> map = new HashMap<Byte, V>();
public ReverseEnumMap(Class<V> valueType) {
for (V v : valueType.getEnumConstants()) {
map.put(v.convert(), v);
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Sound alarm when code finishes
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On Linux and Mac
import os
duration = 1 # seconds
freq = 440 # Hz
os.system('play -nq -t alsa synth {} sine {}'.format(duration, freq))
In order to use this example, you must install sox.
On Debian / Ubuntu / Linux Mint, run this in your terminal:
sudo apt install sox
On Mac, run this in...
Generating random strings with T-SQL
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Using a guid
SELECT @randomString = CONVERT(varchar(255), NEWID())
very short ...
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How do I check OS with a preprocessor directive?
...tform_name() {
return (PLATFORM_NAME == NULL) ? "" : PLATFORM_NAME;
}
int main(int argc, char *argv[]) {
puts(get_platform_name());
return 0;
}
Tested with GCC and clang on:
Debian 8
Windows (MinGW)
Windows (Cygwin)
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