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Commenting multiple lines in DOS batch file
...
If you want to add REM at the beginning of each line instead of using GOTO, you can use Notepad++ to do this easily following these steps:
Select the block of lines
hit Ctrl-Q
Repeat steps to uncomment
...
Is it possible to change the package name of an Android app on Google Play?
...ngs That Cannot Change:
The most obvious and visible of these is the “manifest package name,” the unique name you give to your application in its AndroidManifest.xml. The name uses a Java-language-style naming convention, with Internet domain ownership helping to avoid name collisions. For examp...
Conditional formatting based on another cell's value
... the background color of cell B5 based on the value of another cell - C5. If C5 is greater than 80% then the background color is green but if it's below, it will be amber/red.
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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?)
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MVVM in WPF - How to alert ViewModel of changes in Model… or should I?
...
If you want your Models to alert the ViewModels of changes, they should implement INotifyPropertyChanged, and the ViewModels should subscribe to receive PropertyChange notifications.
Your code might look something like this:...
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...
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'
...
How to find list intersection?
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If order is not important and you don't need to worry about duplicates then you can use set intersection:
>>> a = [1,2,3,4,5]
>>> b = [1,3,5,6]
>>> list(set(a) & set(b))
[1, 3, 5]
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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
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