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Move an array element from one array position to another
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31 Answers
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Active
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Best practices for overriding isEqual: and hash
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Start with
NSUInteger prime = 31;
NSUInteger result = 1;
Then for every primitive you do
result = prime * result + var
For objects you use 0 for nil and otherwise their hashcode.
result = prime * result + [var hash];
For booleans you use two di...
Set opacity of background image without affecting child elements
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131
You can use CSS linear-gradient() with rgba().
div {
width: 300px;
height: 200px;
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How do I convert this list of dictionaries to a csv file?
...oCSV = [{'name':'bob','age':25,'weight':200},
{'name':'jim','age':31,'weight':180}]
keys = toCSV[0].keys()
with open('people.csv', 'w', newline='') as output_file:
dict_writer = csv.DictWriter(output_file, keys)
dict_writer.writeheader()
dict_writer.writerows(toCSV)
EDIT: My p...
How to mock a final class with mockito
...e to do anything else?
– Franco
May 31 '18 at 6:42
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Set environment variables from file of key/value pairs
...xport command in the file itself:
export MINIENTREGA_FECHALIMITE="2011-03-31"
export MINIENTREGA_FICHEROS="informe.txt programa.c"
export MINIENTREGA_DESTINO="./destino/entrega-prac1"
Then you need to source in the file in current shell using:
. ./conf/prac1
OR
source ./conf/prac1
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git pull fails “unable to resolve reference” “unable to update local ref”
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Remove URL parameters without refreshing page
...w.com/questions/22753052/remove-url-parameters-without-refreshing-page/22753103#22753103
To
http://stackoverflow.com/22753103#22753103
Note: as Samuel Liew indicated in the comments below, this feature has been introduced only for HTML5.
An alternative approach would be to actually redirect ...
When to use nil, blank, empty? [duplicate]
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answered Oct 31 '09 at 17:22
Karmen BlakeKarmen Blake
3,38433 gold badges1414 silver badges99 bronze badges
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