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Is there a performance gain in using single quotes vs double quotes in ruby?
...mplex. Double quotes means never making a mistake or wasting time with an error when making a string dynamic. With double quotes, you have one less thing to think about.
– Kelsey Hannan
Oct 30 '19 at 22:32
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Avoid trailing zeroes in printf()
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What about something like this (might have rounding errors and negative-value issues that need debugging, left as an exercise for the reader):
printf("%.0d%.4g\n", (int)f/10, f-((int)f-(int)f%10));
It's slightly programmatic but at least it doesn't make you do any string ma...
Detecting a redirect in ajax request?
... makes $.ajax({url: 'someurl', xhrFields:{withCredentials:true}}) throw an error in Internet Explorer because the function _orgAjax depends upon the 'this' variable resolving to the $.ajaxSettings object. When it doesn't, jQuery creates an ActiveX IXMLHTTPRequest object instead of an XMLHttpRequest...
How to include file in a bash shell script
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BOLD=`tput bold`
RESET=`tput sgr0`
Making use of File color.sh does not error but, the color do not display. I have tested this in Ubuntu 18.04 and the Bash version is:
GNU bash, version 4.4.19(1)-release (x86_64-pc-linux-gnu)
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Change default global installation directory for node.js modules in Windows?
...blems while installing modules and cache is in a shared drive. I got this error, ENOENT: no such file or directory when the cache was in a shared drive
– redDevil
Nov 5 '15 at 5:33
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How to write to an existing excel file without overwriting data (using pandas)?
...Writer(filename, engine='openpyxl')
# Python 2.x: define [FileNotFoundError] exception if it doesn't exist
try:
FileNotFoundError
except NameError:
FileNotFoundError = IOError
try:
# try to open an existing workbook
writer.book = load_workbook(file...
Commenting multiple lines in DOS batch file
... to be executed.Though the code thede will still be parsed
and some syntax errors will be detected (FOR,IF ,improperly closed brackets, wrong parameter expansion ..).So if it is possible it's better to use GOTO.
Though it is not possible to create a macro/variable used as a label - but is possible ...
Why can I pass 1 as a short, but not the int variable i?
...not otherwise, so it needs reassurance that you've avoided an out-of-range error in your program logic. That reassurance is provided by a cast.
Write((short)i)
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improve this answer
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What is PEP8's E128: continuation line under-indented for visual indent?
...file with Sublime Text (with Sublime Linter) and noticed a PEP8 formatting error that I'd never seen before. Here's the text:
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How to log request and response body with Retrofit-Android?
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Bonus
I know it's offtopic but I find it cool.
In case there's an http error code of unauthorized, here is an interceptor. I use eventbus for transmitting the event.
import android.content.Context;
import android.os.Handler;
import android.os.Looper;
import com.androidadvance.ultimateandroidtem...