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Is there a function to make a copy of a PHP array to another?
...confused by intricacies such as ArrayObject, which is an object that acts em>x m>actly like an array. Being an object however, it has reference semantics.
Edit: @AndrewLarsson raises a point in the comments below. PHP has a special feature called "references". They are somewhat similar to pointers in la...
What are the minimum margins most printers can handle?
Im creating pdfs server side with lots of graphics so mam>x m>imizing real estate is a must but at the same time ensuring users printers can handle the tight margins is a must.
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How to find the largest file in a directory and its subdirectories?
We're just starting a UNIm>X m> class and are learning a variety of Bash commands. Our assignment involves performing various commands on a directory that has a number of folders under it as well.
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Is there a difference between /\s/g and /\s+/g?
...
In the first regem>x m>, each space character is being replaced, character by character, with the empty string.
In the second regem>x m>, each contiguous string of space characters is being replaced with the empty string because of the +.
However, ju...
Convert character to ASCII code in JavaScript
... unlike String.fromCharCode( asciiNumVal ), stringInstance.charCodeAt( indem>x m> ) is not a static method of class String
– bobobobo
Sep 12 '12 at 19:09
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Object of custom type as dictionary key
..._(self, other):
# Not strictly necessary, but to avoid having both m>x m>==y and m>x m>!=y
# True at the same time
return not(self == other)
The Python dict documentation defines these requirements on key objects, i.e. they must be hashable.
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String.IsNullOrWhiteSpace in LINQ Em>x m>pression
...;-- this won't work as intended (crazy I know ...)
– m>X m>DS
Dec 14 '18 at 13:59
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Filter rows which contain a certain string
...lready posted by the @latemail in the comments above. You can use regular em>x m>pressions for the second and subsequent arguments of filter like this:
dplyr::filter(df, !grepl("RTB",TrackingPim>x m>el))
Since you have not provided the original data, I will add a toy em>x m>ample using the mtcars data set. Imag...
How to merge 2 JSON objects from 2 files using jq?
...e * operator. When given two objects, it will merge them recursively. For em>x m>ample,
jq -s '.[0] * .[1]' file1 file2
Important: Note the -s (--slurp) flag, which puts files in the same array.
Would get you:
{
"value1": 200,
"timestamp": 1382461861,
"value": {
"aaa": {
"value1": "v...
generate days from date range
...bles. The subquery generates dates for the last 10,000 days, and could be em>x m>tended to go as far back or forward as you wish.
select a.Date
from (
select curdate() - INTERVAL (a.a + (10 * b.a) + (100 * c.a) + (1000 * d.a) ) DAY as Date
from (select 0 as a union all select 1 union all select...