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Shall we always use [unowned self] inside closure in Swift
...ining the difference between using strong, weak, and unowned in closures:
https://developer.apple.com/library/content/documentation/Swift/Conceptual/Swift_Programming_Language/AutomaticReferenceCounting.html
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How do I use valgrind to find memory leaks?
....c:4)
Techniques for Debugging Memory Leaks & Errors
Make use of www.cplusplus.com! It has great documentation on C/C++ functions.
General advice for memory leaks:
Make sure your dynamically allocated memory does in fact get freed.
Don't allocate memory and forget to assign the pointer.
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Is there a way to detect if a browser window is not currently active?
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There is a neat library available on GitHub:
https://github.com/serkanyersen/ifvisible.js
Example:
// If page is visible right now
if( ifvisible.now() ){
// Display pop-up
openPopUp();
}
I've tested version 1.0.1 on all browsers I have and can confirm that it wo...
Why is there no SortedList in Java?
...ry. JavaFX 11 is available as a downloadable SDK or from MavenCentral. See https://openjfx.io
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iPad Safari scrolling causes HTML elements to disappear and reappear with a delay
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Not a guaranteed fix, but fairly successful most of the time.
Hat tip: https://web.archive.org/web/20131005175118/http://cantina.co/2012/03/06/ios-5-native-scrolling-grins-and-gothcas/
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TCP: can two different sockets share a port?
...icknet -m tcp -t localhost:500 -p Test payload.
This is a simple script (https://github.com/grokit/quickweb) that opens a TCP socket, sends the payload ("Test payload." in this case), waits a few seconds and disconnects. Doing netstat again while this is happening displays the following:
Prot...
Code-first vs Model/Database-first [closed]
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Quoting the relevant parts from http://www.itworld.com/development/405005/3-reasons-use-code-first-design-entity-framework
3 reasons to use code first design with Entity Framework
1) Less cruft, less bloat
Using an existing database to generate a .e...
C++ lambda with captures as a function pointer
...lambda into a function pointer, but you need to be careful when using it:
https://codereview.stackexchange.com/questions/79612/c-ifying-a-capturing-lambda
Your code would then look like this (warning: brain compile):
int main()
{
vector<string> entries;
auto const callback = cify&...
Escape angle brackets in a Windows command prompt
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg
How to get base url with jquery or javascript?
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Unless your protocol is something other than http like https (then setting the url protocol to "http://" will present some really weird errors depending on how you want to use the url).
– Jason Rice
Nov 4 '19 at 23:39
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