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Memory management in Qt?
...d manually before the parent.)
You could also delete the child first, the order doesn't matter. For an example where the order does matter here's the documentation about object trees.
If your MyClass is not a child of QObject, you’ll have to use the plain C++ way of doing things.
Also, note tha...
Why does Twitter Bootstrap Use Pixels for Font Size?
...es need to increase the size of the text on a page fairly significantly in order to read it. However, when you use page zoom, you end up having to scroll left and right in order to read text and that gets old really fast. It's very easy to lose your place when you have to do that."
...
Get filename and path from URI from mediastore
...ontentResolver().query(contentUri, proj, null, null, null);
int column_index = cursor.getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
cursor.moveToFirst();
return cursor.getString(column_index);
} finally {
if (cursor != null) {
cursor.close();
}
}
}
...
How to filter None's out of List[Option]?
...
someList.filter(_.isDefined) if you want to keep the result type as List[Option[A]]
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f...
Get encoding of a file in Windows
...t\usr\bin.
Example:
C:\Users\SH\Downloads\SquareRoot>file *
_UpgradeReport_Files; directory
Debug; directory
duration.h; ASCII C++ program text, with CRLF line terminators
ipch; directory
main.cpp...
NGinx Default public www location?
...ed/default
and find
server {
listen 80 default;
server_name localhost;
access_log /var/log/nginx/localhost.access.log;
location / {
root /var/www/nginx-default;
index index.html index.htm;
}
The root is the default...
Why can't code inside unit tests find bundle resources?
... Library/
Developer/
CoreSimulator/
Devices/
_UUID_/
data/
Containers/
Bundle/
Application/
_UUID_/
App.app/
Also note the unit test executable is, by default, linked ...
autolayout - make height of view relative to half superview height
...youtConstraint
constraintsWithVisualFormat:@"V:[topLayoutGuide]-0-[_view1]-0-[_view2(==_view1)]-0-[bottomLayoutGuide]"
options:0
metrics:nil
views:viewsDict]];
...
Check synchronously if file/directory exists in Node.js
...t the top, followed by the various answers over the years in chronological order:
Current Answer
You can use fs.existsSync():
const fs = require("fs"); // Or `import fs from "fs";` with ESM
if (fs.existsSync(path)) {
// Do something
}
It was deprecated for several years, but no longer is. F...
Truly understanding the difference between procedural and functional
...ed examples deliberately avoid mixing in these other programming styles in order to emphasize the distinction between the two styles under discussion.
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