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How to check for an active Internet connection on iOS or macOS?

... print("Reachable via Cellular") } } reachability.whenUnreachable = { _ in print("Not reachable") } do { try reachability.startNotifier() } catch { print("Unable to start notifier") } Objective-C 1) Add SystemConfiguration framework to the project but don't worry about includi...
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Eclipse Android and gitignore

... There are file types to ignore # built application files *.apk *.ap_ # files for the dex VM *.dex # Java class files *.class # generated files bin/ gen/ # Local configuration file (sdk path, etc) local.properties # Eclipse project files .classpath .project # Proguard folder generated b...
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How to “inverse match” with regex?

...his. You could use look-ahead. Using python as an example import re not_andrea = re.compile('(?!Andrea)\w{6}', re.IGNORECASE) To break that down: (?!Andrea) means 'match if the next 6 characters are not "Andrea"'; if so then \w means a "word character" - alphanumeric characters. This is equ...
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Easiest way to check for an index or a key in an array?

... I solved in this way: if test "${myArray['key_or_index']+isset}"; then echo "yes"; else echo "no"; fi; It seems to me the simplest way and it applies to indexed and associative arrays. Thank you – Luca Borrione Nov 4 '12 at 19:13 ...
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Keyboard shortcut to change font size in Eclipse?

...ered May 19 '16 at 13:33 ROMANIA_engineerROMANIA_engineer 44.6k2323 gold badges184184 silver badges169169 bronze badges ...
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Are Javascript arrays sparse?

....nvm/versions/node/v12.15.0/bin/node] 6: 0x1005f3e9b v8::internal::Runtime_FatalProcessOutOfMemoryInvalidArrayLength(int, unsigned long*, v8::internal::Isolate*) [/Users/pzrq/.nvm/versions/node/v12.15.0/bin/node] 7: 0x100931399 Builtins_CEntry_Return1_DontSaveFPRegs_ArgvOnStack_NoBuiltinExit [/Use...
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Running multiple TeamCity Agents on the same computer?

...ee agents much faster than it will with one. – bopapa_1979 Jun 12 '13 at 19:29 13 If you've gone ...
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How to benchmark efficiency of PHP script

... using? As an example, I can make nginx + PHP-FPM seriously out perform mod_php + Apache, which in turn gets trounced for serving static content by using a good CDN. The next thing to consider is what you are trying to optimise for? Is the speed with which the page renders in the users browser ...
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Explain Morris inorder tree traversal without using stacks or recursion

...checking for pre->right != current necessary? – No_name Mar 12 '13 at 1:18 6 I don't see why t...
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Is it possible to make an ASP.NET MVC route based on a subdomain?

...nd using attributes would make this easier. – perfect_element Jan 27 '17 at 4:42 @perfect_element - Attribute routes a...