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Most lightweight way to create a random string and a random hexadecimal number
What is the most lightweight way to create a random string of 30 characters like the following?
13 Answers
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How to express a NOT IN query with ActiveRecord/Rails?
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edited Feb 1 at 13:08
notapatch
4,04655 gold badges2626 silver badges3131 bronze badges
answered ...
How can I center a div within another div? [duplicate]
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109
You need to set the width of the container (auto won't work):
#container {
width: 640px; /*...
Include all existing fields and add new fields to document
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edited Dec 29 '19 at 20:27
Kaspar Lee
4,66022 gold badges2323 silver badges5151 bronze badges
answer...
Convert LocalDate to LocalDateTime or java.sql.Timestamp
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edited Jun 20 at 9:12
Community♦
111 silver badge
answered Jan 24 '12 at 19:03
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How to write loop in a Makefile?
...4
For bigger ranges, use:
target:
number=1 ; while [[ $$number -le 10 ]] ; do \
echo $$number ; \
((number = number + 1)) ; \
done
This outputs 1 through 10 inclusive, just change the while terminating condition from 10 to 1000 for a much larger range as indicated in you...
How to save all the variables in the current python session?
...rted modules can not be shelved.
#
print('ERROR shelving: {0}'.format(key))
my_shelf.close()
To restore:
my_shelf = shelve.open(filename)
for key in my_shelf:
globals()[key]=my_shelf[key]
my_shelf.close()
print(T)
# Hiya
print(val)
# [1, 2, 3]
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What is the difference between atomic and critical in OpenMP?
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edited Jun 27 '16 at 14:06
answered Oct 17 '11 at 20:11
J...
PHP's array_map including keys
...$b) { return "$a loves $b"; });
var_dump($new_array);
// array(2) {
// [0]=>
// string(27) "first_key loves first_value"
// [1]=>
// string(29) "second_key loves second_value"
// }
share
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Delegates: Predicate vs. Action vs. Func
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180
Predicate: essentially Func<T, bool>; asks the question "does the specified argument sati...