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Which rows are returned when using LIMIT with OFFSET in MySQL?
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Grep for literal strings
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You can use grep for that, with the -F option.
-F, --fixed-strings PATTERN is a set of n...
Difference between var_dump,var_export & print_r
...(4) {
[0]=> string(0) ""
[1]=> bool(false)
[2]=> int(42)
[3]=> array(1) {[0]=>string(2) "42")}
}
print_r is for debugging purposes, too, but does not include the member's type. It's a good idea to use if you know the types of elements in your array, but can be misleading oth...
How do you detect Credit card type based on number?
...a card numbers start with a 4.
MasterCard: ^5[1-5][0-9]{5,}|222[1-9][0-9]{3,}|22[3-9][0-9]{4,}|2[3-6][0-9]{5,}|27[01][0-9]{4,}|2720[0-9]{3,}$ Before 2016, MasterCard numbers start with the numbers 51 through 55, but this will only detect MasterCard credit cards; there are other cards issued using t...
Using GSON to parse a JSON array
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Problem is caused by comma at the end of (in your case each) JSON object placed in the array:
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What is NSZombie?
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It's a memory debugging aid. Specifically, when you set NSZombieEnabled then whenever an object ...
What are “res” and “req” parameters in Express functions?
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XPath: select text node
...re NovatchevDimitre Novatchev
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Javascript replace with reference to matched group?
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