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List goals/targets in GNU make that contain variables in their definition
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16 Answers
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MySQL Data - Best way to implement paging?
... maximum number of rows to return. The offset of the initial row is 0 (not 1):
SELECT * FROM tbl LIMIT 5,10; # Retrieve rows 6-15
To retrieve all rows from a certain offset up to the end of the result set, you can use some large number for the second parameter. This statement retrieves all rows fr...
How do I declare a 2d array in C++ using new?
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edited Feb 15 '18 at 22:33
AAEM
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an...
What do single quotes do in C++ when used on multiple characters?
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It's a multi-character literal. 1952805748 is 0x74657374, which decomposes as
0x74 -> 't'
0x65 -> 'e'
0x73 -> 's'
0x74 -> 't'
Edit:
C++ standard, §2.14.3/1 - Character literals
(...) An ordinary character literal that contains more than
one c...
Number of days in particular month of particular year?
... the number of days in that month
YearMonth yearMonthObject = YearMonth.of(1999, 2);
int daysInMonth = yearMonthObject.lengthOfMonth(); //28
Test: try a month in a leap year:
yearMonthObject = YearMonth.of(2000, 2);
daysInMonth = yearMonthObject.lengthOfMonth(); //29
Java 7 and earlier
Crea...
How to extract numbers from a string and get an array of ints?
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13 Answers
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vagrant up failed, /dev/vboxnetctl: no such file or directory
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I'm running macOS High Sierra 10.13.1 and VirtualBox 5.2.2.
This worked for me:
Grant permission to VirtualBox under System Preferences > Security & Privacy > General (this request is new to macOS High Sierra)
Open Terminal and run: sudo "/Libr...
Pad a number with leading zeros in JavaScript [duplicate]
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616
Not a lot of "slick" going on so far:
function pad(n, width, z) {
z = z || '0';
n = n + ''...
Are 2^n and n*2^n in the same time complexity?
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edited Apr 1 '15 at 19:10
emlai
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