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How to move screen without moving cursor in Vim?
...ck the state, etc. If you absolutely must make a system-wide remapping, at least swap two locks like caps <--> num - but the issue is more forgetting that it's on, because if you wanted it before, you'll keep using it, by whatever map. Risk breaking Vim before files/user/system.
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Cache busting via params
...ssibly others) defaults to not caching URLs served with a querystring - at least, it did when that article was written. If you don't mind certain use cases causing unnecessary cache misses, then go ahead with query params. But it's very easy to set up a filename-based cache-busting scheme which avoi...
Is there a standard function to check for null, undefined, or blank variables in JavaScript?
...ved and it's defined
}
If you can be sure that a variable is declared at least, you should directly check if it has a truthy value like shown above.
Further read: http://typeofnan.blogspot.com/2011/01/typeof-is-fast.html
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presentViewController:animated:YES view will not appear until user taps again
...le does something) you can trigger the main runloop by several means:
The least intrusive solution is to call CFRunLoopWakeUp:
[self presentViewController:vc animated:YES completion:nil];
CFRunLoopWakeUp(CFRunLoopGetCurrent());
Or you can enqueue an empty block to the main queue:
[self presentV...
Restore the state of std::cout after manipulating it
...
If your project is at least a bit sane, you have Boost and that comes with state savers for this purpose.
– Jan Hudec
Jun 13 '19 at 8:23
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How to prevent IFRAME from redirecting top-level window
...cks on this:
Using JS how can I stop child Iframes from redirecting or at least prompt users about the redirect
http://www.codinghorror.com/blog/2009/06/we-done-been-framed.html
http://coderrr.wordpress.com/2009/02/13/preventing-frame-busting-and-click-jacking-ui-redressing/
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How to replace multiple substrings of a string?
...of scanning the entire string every time per call, so the complexity is at least O(number of replacements * len(s)), plus whatever string pattern matching happens under the hood.
– ggorlen
Sep 16 at 1:33
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How do I find the authoritative name-server for a domain name?
...e typically several authoritative name servers, the RFC 1034 recommends at least two.
Unless you mean "primary name server" and not "authoritative name server". The secondary name servers are authoritative.
To find out the name servers of a domain on Unix:
% dig +short NS stackoverflow.com
ns...
Origin null is not allowed by Access-Control-Allow-Origin
...e daunting, but if you have python on your system (installed by default at least on MacOS and any Linux distribution) it's as easy as:
python -m http.server # with python3
or
python -m SimpleHTTPServer # with python2
So if you have your html file myfile.html in a folder, say mydir, all you ...
How do I copy an object in Java?
...a class and do improper clone method. If you are going to do that, read at least what Joshua Bloch has to say about it in Effective Java.
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