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Changing UIImage color

... Swift 4.2 Solution extension UIImage { func withColor(_ color: UIColor) -> UIImage { UIGraphicsBeginImageContextWithOptions(size, false, scale) guard let ctx = UIGraphicsGetCurrentContext(), let cgImage = cgImage else { return self } color.setFill() ...
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Mac OS X - EnvironmentError: mysql_config not found

... Ok, well, first of all, let me check if I am on the same page as you: You installed python You did brew install mysql You did export PATH=$PATH:/usr/local/mysql/bin And finally, you did pip install MySQL-Python (or pip3 install mysqlclient if...
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Is there a “do … until” in Python? [duplicate]

...is is a similar construct, taken from the link above. while True: do_something() if condition(): break share | improve this answer | follow ...
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How do I disable the 'Debug / Close Application' dialog on Windows Vista?

...an set these registry entries: Windows Registry Editor Version 5.00 [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\Windows Error Reporting] "ForceQueue"=dword:00000001 [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\Windows Error Reporting\Consent] "DefaultConsent"=dword:00000001 After this is s...
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Can you make valid Makefiles without tab characters?

... 2. The tab character is a very important part of the syntax of Makefiles. All command lines (the lines beginning with cc in our example) must start with tabs. After he made his change, line 2 didn’t, hence the error. “So what?” you ask, “What’s wrong with that?” There is nothi...
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Parallelize Bash script with maximum number of processes

... With GNU Parallel http://www.gnu.org/software/parallel/ you can write: some-command | parallel do-something GNU Parallel also supports running jobs on remote computers. This will run one per CPU core on the remote computers - even if ...
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UITapGestureRecognizer - single tap and double tap

...UITapGestureRecognizer(target: self, action:#selector(self.singleTapAction(_:))) singleTap.numberOfTapsRequired = 1 view.addGestureRecognizer(singleTap) let doubleTap = UITapGestureRecognizer(target: self, action:#selector(self.doubleTapAction(_:))) doubleTap.numberOfTapsRequired = 2 view.addGestur...
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Nokogiri installation fails -libxml2 is missing

I always worked my way around Nokogiri installation issues by following the documentation in the " Installing Nokogiri " tutorial. ...
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How to listen for a WebView finishing loading a URL?

... Extend WebViewClient and call onPageFinished() as follows: mWebView.setWebViewClient(new WebViewClient() { public void onPageFinished(WebView view, String url) { // do your stuff here } }); ...
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Reducing Django Memory Usage. Low hanging fruit?

...) Then point your browser at http://domain/_dozer/index to see a list of all your memory allocations. I'll also just add my voice of support for mod_wsgi. It makes a world of difference in terms of performance and memory usage over mod_python. Graham Dumpleton's support for mod_wsgi is outstand...