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How to create a string with format?
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This method is coming from NSString in Foundation framework. So you have to import Foundation to make this to work correctly. Otherwise the expression will call String.init<T>(T) , and it will produce something like "(\"%@%x %x\", 10)" inste...
Unzip All Files In A Directory
...m an action, copy, grep something, remove. The thing missing was how to go from file.gz to file as a variable in the bash script
– thahgr
Nov 22 '17 at 14:19
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Is Random class thread safe?
...of the Random class between multiple threads? And to call nextInt(int) from multiple threads in particular?
8 Answers
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WebKit issues with event.layerX and event.layerY
... issue has been fixed for almost a year (i.e. the warning has been removed from WebKit). If you still see this issue, consider upgrading your browser.
– törzsmókus
Apr 30 '13 at 7:52
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How to insert a text at the beginning of a file?
... @ychaouche - presumably because there's no portable way to prevent echo from adding a newline?
– Toby Speight
Mar 30 '16 at 9:47
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Can't connect to MySQL server error 111 [closed]
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but what happens when you CAN connect to it from the mysql workbench? i have the same problem.
– George Pamfilis
Jun 12 '16 at 15:05
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Writing string to a file on a new line every time
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Another solution that writes from a list using fstring
lines = ['hello','world']
with open('filename.txt', "w") as fhandle:
for line in lines:
fhandle.write(f'{line}\n')
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ERROR 2003 (HY000): Can't connect to MySQL server on '127.0.0.1' (111)
...Manager -> Services -> Open Services)
Search for MySQL and Start it from the top navigation bar.
Then if try to open mysql.exe it will work.
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Alphabet range in Python
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If you are looking to an equivalent of letters[1:10] from R, you can use:
import string
list(string.ascii_lowercase[0:10])
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Builder Pattern in Effective Java
...s mean that first you have to cerate a instance of "parent" class and then from this instance you can create nested class instances.
NutritionalFacts n = new NutritionalFacts()
Builder b = new n.Builder(10).carbo(23).fat(1).build();
Nested Classes
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