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In java how to get substring from a string till a character c?
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look at String.indexOf and String.substring.
Make sure you check for -1 for indexOf.
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How do I get my Python program to sleep for 50 milliseconds?
... not consistent. Thread/process priority, CPU load avg, available memory, and a plethora of other factors make all calls imprecise. The busier the system is, the higher the imprecision.
– David
Jan 28 '19 at 18:44
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LAST_INSERT_ID() MySQL
... Thanks! I didn't get it working first as I was using asp.net with MySQL and needed to add Allow User Variables=True to the Connection String to allow variables.
– Martin
Oct 1 '10 at 10:19
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Gcc error: gcc: error trying to exec 'cc1': execvp: No such file or directory
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cc1 is the internal command which takes preprocessed C-language files and converts them to assembly. It's the actual part that compiles C. For C++, there's cc1plus, and other internal commands for different languages.
taken from this answer by Alan Shutko.
Solution for: Ubuntu / Linux Mint
sudo ap...
git command to move a folder inside another
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If git converts line endings, this results in the problem described by @Bart. For this to work you have to do the following: git config --global core.autocrlf false
– Mariano Dupont
Dec 16 '16 ...
Difference between len() and .__len__()?
...y calling an object's __len__ method. __something__ attributes are special and usually more than meets the eye, and generally should not be called directly.
It was decided at some point long ago getting the length of something should be a function and not a method code, reasoning that len(a)'s mean...
How to set an “Accept:” header on Spring RestTemplate request?
...RestTemplate restTemplate = new RestTemplate();
// Add the Jackson message converter
restTemplate.getMessageConverters()
.add(new MappingJackson2HttpMessageConverter());
HttpHeaders headers = new HttpHeaders();
headers.setContentType(MediaType.APPLICATION_JSON);
headers.set("Authoriz...
How to display Toast in Android?
I have a slider that can be pulled up and then it shows a map. I can move the slider up and down to hide or show the map. When the map is on front, I can handle touch events on that map. Everytime I touch, a AsyncTask is fired up, it downloads some data and makes a Toast that displays the data. ...
List directory tree structure in python?
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Similar to answers above, but for python3, arguably readable and arguably extensible:
from pathlib import Path
class DisplayablePath(object):
display_filename_prefix_middle = '├──'
display_filename_prefix_last = '└──'
display_parent_prefix_middle = ' '
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read subprocess stdout line by line
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Or to convert into strings: list_of_strings = [x.decode('utf-8').rstrip('\n') for x in iter(process.stdout.readlines())]
– ndtreviv
Nov 28 '19 at 11:10
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