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What is the standard naming convention for html/css ids and classes?

... There isn't one. I use underscores all the time, due to hyphens messing up the syntax highlighting of my text editor (Gedit), but that's personal preference. I've seen all these conventions used all over the place. Use the one that you think is best - the one...
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How to get a subset of a javascript object's properties

...og(picked); // { a: 5, c: 7 } From Philipp Kewisch: This is really just an anonymous function being called instantly. All of this can be found on the Destructuring Assignment page on MDN. Here is an expanded form let unwrap = ({a, c}) => ({a, c}); let unwrap2 = function({a, ...
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Unable to create Android Virtual Device

... Simply because CPU/ABI says "No system images installed for this target". You need to install system images. In the Android SDK Manager check that you have installed "ARM EABI v7a System Image" (for each Android version from 4.0 and on you have to install a system image to ...
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Multiple ModelAdmins/views for same model in Django admin

...l may be registered only once. class PostAdmin(admin.ModelAdmin): list_display = ('title', 'pubdate','user') class MyPost(Post): class Meta: proxy = True class MyPostAdmin(PostAdmin): def get_queryset(self, request): return self.model.objects.filter(user = request.user...
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Disable LESS-CSS Overwriting calc() [duplicate]

... @gion_13 You're actually right, you can turn on the Strict Math setting. Time to polish this answer a bit. =] – Fabrício Matté May 27 '14 at 15:20 ...
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Can't open config file: /usr/local/ssl/openssl.cnf on Windows [duplicate]

... The solution is running this command: set OPENSSL_CONF=C:\OpenSSL-Win32\bin\openssl.cfg or set OPENSSL_CONF=[path-to-OpenSSL-install-dir]\bin\openssl.cfg in the command prompt before using openssl command. Let openssl know for sure where to find its .cfg file. Al...
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How to determine if an NSDate is today?

...ethod anyway. NOTE as with many answers on SO, after 7 years this is totally out of date. In Swift now just use .isDateInToday share | improve this answer | follow ...
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Setting an int to Infinity in C++

...or 2 147 483 647) if int is 32 bits wide on your implementation. If you really need infinity, use a floating point number type, like float or double. You can then get infinity with: double a = std::numeric_limits<double>::infinity(); ...
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How do I read / convert an InputStream into a String in Java?

...Utils) String result = IOUtils.toString(inputStream, StandardCharsets.UTF_8); Using CharStreams (Guava) String result = CharStreams.toString(new InputStreamReader( inputStream, Charsets.UTF_8)); Using Scanner (JDK) Scanner s = new Scanner(inputStream).useDelimiter("\\A"); String result...
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Connect to a locally built Jekyll Server using mobile devices in the LAN

...e Jekyll on the command line. That will make Jekyll's HTTP server bind to all available IPs, rather than just to localhost. You can also add this to your _config.yml with host: 0.0.0.0. GitHub will simply ignore this when you push, so it's safe to use if you don't mind having your work openly acce...