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What does dot (.) mean in a struct initializer?
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answered Nov 8 '11 at 7:48
DmitriDmitri
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Installing specific laravel version with composer create-project
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answered May 20 '14 at 8:15
edi9999edi9999
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TINYTEXT, TEXT, MEDIUMTEXT, and LONGTEXT maximum storage sizes
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From the documentation (MySQL 8) :
Type | Maximum length
-----------+-------------------------------------
TINYTEXT | 255 (2 8−1) bytes
TEXT | 65,535 (216−1) bytes = 64 KiB
MEDIUMTEXT | 16,777,215 (224−1) bytes = ...
Keep only first n characters in a string?
...JavaScript's String method substring
e.g.
'Hiya how are you'.substring(0,8);
Which returns the string starting at the first character and finishing before the 9th character - i.e. 'Hiya how'.
substring documentation
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Sort rows in data.table in decreasing order on string key `order(-x,v)` gives error on data.table 1.
...r necessary.
You can use DT[order(-rank(x), y)].
x y v
1: c 1 7
2: c 3 8
3: c 6 9
4: b 1 1
5: b 3 2
6: b 6 3
7: a 1 4
8: a 3 5
9: a 6 6
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How to count the number of set bits in a 32-bit integer?
8 bits representing the number 7 look like this:
55 Answers
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How do I use arrays in C++?
...t are easier to use and less error-prone ( std::vector<T> since C++98 and std::array<T, n> since C++11 ), so the need for arrays does not arise quite as often as it does in C. However, when you read legacy code or interact with a library written in C, you should have a firm grasp on ...
How to check the version before installing a package using apt-get?
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edited Jul 6 at 8:51
jotadepicas
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How to slice an array in Bash
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edited Jul 24 '18 at 16:35
Nicholas Pipitone
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Reset keys of array elements in php?
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edited Jun 7 '18 at 19:04
Riz-waan
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answered May 8 '12 a...
