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Lambda function in list comprehensions

...rent copies of the squaring function, see: >>> [lambda x: x*x for _ in range(3)] [<function <lambda> at 0x00000000023AD438>, <function <lambda> at 0x00000000023AD4A8>, <function <lambda> at 0x00000000023AD3C8>] Note the memory addresses of the lambdas - ...
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How to display Base64 images in HTML?

...es - its a data URI for a red dot image (source: en.wikipedia.org/wiki/Data_URI_scheme). I am just pointing out that there is no apparent issue in what you are doing except perhaps actual base64 data. Use the given decoder and save decoded binary data as an jpeg file and try to open it. If it does n...
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Catch Ctrl-C in C

... that is also working under asynchronous interrupts: I would either use sig_atomic_t or atomic_bool types there. I just missed that one. Now, since we are talking: would you like me to rollback my latest edit? No hard feelings there it would be perfectly understandable from your point of view :) ...
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How to determine the content size of a UIWebView?

...gSize.width, fittingSize.height); } Swift 4.x func webViewDidFinishLoad(_ webView: UIWebView) { var frame = webView.frame frame.size.height = 1 webView.frame = frame let fittingSize = webView.sizeThatFits(CGSize.init(width: 0, height: 0)) frame.size = fittingSize webView.f...
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Ignoring an already checked-in directory's contents?

...call a powershell script doing this: dir *.CheckedIn -Recurse | %{ copy $_.FullName "$($_.FullName)".Replace("CheckedIn","") -EA SilentlyContinue} I do feel a little bad about myself... but it does in fact work. share ...
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How to get default gateway in Mac OSX

... utun1 192.168.128.1 link#12 To set a variable (_default) for further use (assuming only one entry for 'default') ..... _default=$( netstat -rn inet | awk '/default/ {print $2}' ) # I prefer $( ... ) over back-ticks In the case of multiple default routes use: n...
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Argparse optional positional arguments?

...se nargs='?' (or nargs='*' if you will need more than one dir) parser.add_argument('dir', nargs='?', default=os.getcwd()) extended example: >>> import os, argparse >>> parser = argparse.ArgumentParser() >>> parser.add_argument('-v', action='store_true') _StoreTrueActi...
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Do you use source control for your database items? [closed]

...- ALTER TABLE migratorjobitems DROP CONSTRAINT migratorjobitems_destcmaid_fkey; -- -- Increment the version UPDATE sys_info SET value = '8.0.108' WHERE key = 'DB VERSION'; END TRANSACTION; EOF8.0.108 fi if [ $VERSION \< '8.0.109...
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presentViewController:animated:YES view will not appear until user taps again

...eue: [self presentViewController:vc animated:YES completion:nil]; dispatch_async(dispatch_get_main_queue(), ^{}); It's funny, but if you shake the device, it'll also trigger the main loop (it has to process the motion events). Same thing with taps, but that's included in the original question :) ...
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How to set cookie in node js using express framework?

...important! }); // let static middleware do its job app.use(express.static(__dirname + '/public')); Also, middleware needs to either end a request (by sending back a response), or pass the request to the next middleware. In this case, I've done the latter by calling next() when the cookie has been...