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std::vector versus std::array in C++
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326
std::vector is a template class that encapsulate a dynamic array1, stored in the heap, that gr...
How can I do string interpolation in JavaScript?
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Since ES6, you can use template literals:
const age = 3
console.log(`I'm ${age} years old!`)
P.S. Note the use of backticks: ``.
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How to hide “Showing 1 of N Entries” with the dataTables.js library
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edited Dec 8 '15 at 10:13
answered Oct 18 '13 at 2:47
BMH...
Find the most common element in a list
...'goose'])
emits:
SL: [('duck', 1), ('duck', 2), ('goose', 0), ('goose', 3)]
item 'duck', count 2, minind 1
item 'goose', count 2, minind 0
goose
As you see, SL is a list of pairs, each pair an item followed by the item's index in the original list (to implement the key condition that, if the "m...
How can I safely create a nested directory?
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On Python ≥ 3.5, use pathlib.Path.mkdir:
from pathlib import Path
Path("/my/directory").mkdir(parents=True, exist_ok=True)
For older versions of Python, I see two answers with good qualities, each with a small flaw, so I will give my ...
Insert html in a handlebar template without escaping
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3 Answers
3
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pip install mysql-python fails with EnvironmentError: mysql_config not found
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1438
It seems mysql_config is missing on your system or the installer could not find it.
Be sure mys...
Rails migrations: Undo default setting for a column
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387
Rails 5+
def change
change_column_default( :table_name, :column_name, from: nil, to: fals...
How are multi-dimensional arrays formatted in memory?
...eter, bad things are going to happen. Here's a quick example:
int array1[3][2] = {{0, 1}, {2, 3}, {4, 5}};
In memory looks like this:
0 1 2 3 4 5
exactly the same as:
int array2[6] = { 0, 1, 2, 3, 4, 5 };
But if you try to pass array1 to this function:
void function1(int **a);
you'll ge...
How can I open Windows Explorer to a certain directory from within a WPF app?
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314
Why not Process.Start(@"c:\test");?
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