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Detect whether there is an Internet connection available on Android [duplicate]

...er = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE); NetworkInfo activeNetworkInfo = connectivityManager.getActiveNetworkInfo(); return activeNetworkInfo != null && activeNetworkInfo.isConnected(); } You will also need: <uses-permission android:...
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Turning live() into on() in jQuery

...ould be something like $(document.body).on('change', 'select[name^="income_type_"]', function() { alert($(this).val()); }); Although it is better if you bind the event handler as close as possible to the elements, that is, to an element being closer in the hierarchy. Update: While answering ...
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What is the preferred syntax for defining enums in JavaScript?

...roperties build from an existing hash list and optionally freeze it (mkenum_2 in my list). Cheers. – Andrew Philips Sep 5 '14 at 19:10 ...
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How to emulate C array initialization “int arr[] = { e1, e2, e3, … }” behaviour with std::array?

... Best I can think of is: template<class T, class... Tail> auto make_array(T head, Tail... tail) -> std::array<T, 1 + sizeof...(Tail)> { std::array<T, 1 + sizeof...(Tail)> a = { head, tail ... }; return a; } auto a = make_array(1, 2, 3); However, this requires the ...
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What jsf component can render a div tag?

...nless I add a style or style class to the panelgroup, using the mojarra-1.2_15 implementation. – James McMahon Apr 1 '11 at 14:50 3 ...
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brew install mysql on macOS

...sql ran the commands brew suggested: (see note: below) unset TMPDIR mysql_install_db --verbose --user=`whoami` --basedir="$(brew --prefix mysql)" --datadir=/usr/local/var/mysql --tmpdir=/tmp Start mysql with mysql.server start command, to be able to log on it Used the alternate security script: ...
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Add a space (“ ”) after an element using :after

... opacity of the pseudo-element to be zero, eg: element:before{ content: "_"; opacity: 0; } share | improve this answer | follow | ...
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PHP Multidimensional Array Searching (Find key by specific value)

... Another poossible solution is based on the array_search() function. You need to use PHP 5.5.0 or higher. Example $userdb=Array ( (0) => Array ( (uid) => '100', (name) => 'Sandra Shush', (url) => 'urlof100' ), (1) => Array ...
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Example for sync.WaitGroup correct?

...fmt.Println("Done") } As a playground: http://play.golang.org/p/WZcprjpHa_ share | improve this answer | follow | ...
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DataContractSerializer doesn't call my constructor?

... when a DataContractSerializer creates it. Interlocked.CompareExchange(ref _sync, new object(), null); share | improve this answer | follow | ...