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Is it safe to delete a NULL pointer?
...ble deletion and other similar memory corruption problems).
I'd also love if delete by default was setting the parameter to NULL like in
#define my_delete(x) {delete x; x = NULL;}
(I know about R and L values, but wouldn't it be nice?)
...
How can I get the max (or min) value in a vector?
...ud), myend(cloud)) << '\n';
}
Oh, and use std::minmax_element(...) if you need both at once :/
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Is a url query parameter valid if it has no value?
..., along with
data in the path component (Section 3.3), serves to identify a
resource within the scope of the URI's scheme and naming authority
(if any). ...
... However, as query components
are often used to carry identifying information in the form of
"key=value" pai...
Why doesn't Python have multiline comments?
...lock comments is IDE has no idea what you want thus can't show comment in different style as needed.
– Baiyan Huang
Sep 17 '12 at 3:58
21
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jquery selector for id starts with specific text [duplicate]
...of the divs & use
$('.commonClass').
But you can use the first one if html markup is not in your hands & cannot change it for some reason.
Alternative solution - 2 (not recommended if n is a large number)
(as per @Mihai Stancu's suggestion)
$('#editDialog-0, #editDialog-1, #editDialog-...
Count with IF condition in MySQL query
... sum() in place of count()
Try below:
SELECT
ccc_news . * ,
SUM(if(ccc_news_comments.id = 'approved', 1, 0)) AS comments
FROM
ccc_news
LEFT JOIN
ccc_news_comments
ON
ccc_news_comments.news_id = ccc_news.news_id
WHERE
`ccc_news`.`category` = 'news_layer2'
...
MySQL Creating tables with Foreign Keys giving errno: 150
...e the tables in the right order: Parent table first, then the Child table. If both tables references each other, you must create one table without FK constraints, then create the second table, then add the FK constraint to the first table with ALTER TABLE.
The two tables must both support foreign k...
What is the difference between HashSet and List?
Can you explain what is the difference between HashSet<T> and List<T> in .NET?
8 Answers
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Conditional ng-include in angularjs
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If you are using Angular v1.1.5 or later, you can also use ng-if:
<div ng-if="x" ng-include="'/partial.html'"></div>
If you have any older version:
Use ng-switch:
<div ng-switch on="x">
<div ng...
Relative paths based on file location instead of current working directory [duplicate]
...dependent of where you invoke it from. Each time you run it, it will be as if you were running ./cat.sh inside dir.
Note that this script only works if you're invoking the script directly (i.e. not via a symlink), otherwise the finding the current location of the script gets a little more tricky)
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