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Using custom std::set comparator
... of the items in a set of integers to be lexicographic instead of numeric, and I can't get the following to compile with g++:
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parseInt(null, 24) === 23… wait, what?
Alright, so I was messing around with parseInt to see how it handles values not yet initialized and I stumbled upon this gem. The below happens for any radix 24 or above.
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Apply pandas function to column to create multiple new columns?
How to do this in pandas:
13 Answers
13
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NPM clean modules
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There is actually special command for this job
npm ci
It will delete node_modules directory and will install packages with respect your package-lock.json file
More info: https://docs.npmjs.com/cli/ci.html
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How to print time in format: 2009‐08‐10 18:17:54.811
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It's an even better answer now, and props for looking up how to handle the millisecond part. I think your buffer is now a little longer than it needs to be, though.
– Jack Kelly
Sep 9 '10 at 3:56
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Why a function checking if a string is empty always returns true? [closed]
I have a function isNotEmpty which returns true if the string is not empty and false if the string is empty. I've found out that it is not working if I pass an empty string through it.
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How to check if hex color is “too black”?
...e darkness of a color chosen by a color picker to see if it's "too black", and if so, set it to white. I thought I could use the first characters of the hex value to pull this off. It's working, but it's switching some legitimately "light" colors too.
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How to use SSH to run a local shell script on a remote machine?
...is a Windows box, you can use Plink (part of PuTTY) with the -m parameter, and it will execute the local script on the remote server.
plink root@MachineB -m local_script.sh
If Machine A is a Unix-based system, you can use:
ssh root@MachineB 'bash -s' < local_script.sh
You shouldn't have to ...
Converting a UNIX Timestamp to Formatted Date String
...ezone info ignored, cause the timestamp doesn't have timezone info. gmdate and date with second timestamp parameter as 1333699439 will print the same date time.
– Tinus Tate
Apr 7 '16 at 13:09
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Convert character to ASCII numeric value in java
...In your case, you need to get the specific Character from the String first and then cast it.
char character = name.charAt(0); // This gives the character 'a'
int ascii = (int) character; // ascii is now 97.
Though cast is not required explicitly, but its improves readability.
int ascii = charac...