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GLib compile error (ffi.h), but libffi is installed

... If you have a Debian-based Linux OS with apt-get: sudo apt-get install libffi-dev With a Redhat-base OS: yum install libffi-devel With Alpine Linux: apk add libffi-dev share | improve...
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How Do I Take a Screen Shot of a UIView?

...ntext is more a method you would override... Note that it may not work in all views, specifically a year or so ago when I tried to use this with the live camera view it did not work. share | improv...
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What is “thread local storage” in Python, and why do I need it?

In Python specifically, how do variables get shared between threads? 5 Answers 5 ...
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What is the difference between a web API and a web service?

... A web service typically offers a WSDL from which you can create client stubs automatically. Web Services are based on the SOAP protocol. ASP.NET Web API is a newer Microsoft framework which helps you to build REST based interfaces. The response...
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How to use java.net.URLConnection to fire and handle HTTP requests?

... First a disclaimer beforehand: the posted code snippets are all basic examples. You'll need to handle trivial IOExceptions and RuntimeExceptions like NullPointerException, ArrayIndexOutOfBoundsException and consorts yourself. Preparing We first need to know at least the URL and the c...
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What does cmd /C mean? [closed]

...iable expansion using ! as the delimiter. For example, /V:ON would allow !var! to expand the variable var at execution time. The var syntax expands variables at input time, which is quite a different thing when inside of a FOR loop. /V:OFF Disable delayed environmen...
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How to send HTML-formatted email? [duplicate]

... Setting isBodyHtml to true allows you to use HTML tags in the message body: msg = new MailMessage("xxxx@gmail.com", "yyyy@gmail.com", "Message from PSSP System", "This email sent by the PSSP system<br />" + ...
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Could I change my name and surname in all previous commits?

I would like to change my name, surname and email in my all commits, is it possible? 6 Answers ...
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The forked VM terminated without saying properly goodbye. VM crash or System.exit called

... 32 As of today (10/30/2018), we noticed our builds breaking in Jenkins with this error. The error...
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Fastest Way to Find Distance Between Two Lat/Long Points

I currently have just under a million locations in a mysql database all with longitude and latitude information. 15 Answers...