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Understand the “Decorator Pattern” with a real world example

...ita(); Console.WriteLine("Plain Margherita: " + pizza.GetPrice().ToString()); ExtraCheeseTopping moreCheese = new ExtraCheeseTopping(pizza); ExtraCheeseTopping someMoreCheese = new ExtraCheeseTopping(moreCheese); Console.WriteLine("Plain Margherita with double extra ...
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String.format() to format double in java

How can I use String.format(format String,X) to format a double like follows??? 7 Answers ...
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Nginx no-www to www and www to no-www

I am using nginx on Rackspace cloud following a tutorial and having searched the net and so far can't get this sorted. 17...
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Why does ContentResolver.requestSync not trigger a sync?

...sync contacts using a com.google style account. All your contentAuthority strings have to all match, and match with what you're syncing -- This should be a string you define, if you're creating your own database, or you should use some existing device strings if you're syncing known data types (lik...
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How do I get currency exchange rates via an API such as Google Finance? [closed]

... 'public static void main(String[] args) { String currencyPair = "USDEUR"; String address = "query.yahooapis.com/v1/public/yql?q=select * from yahoo.finance.xchange where pair in (\"" + currencyPair + "\")&env=store://datatables.org/a...
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Get folder name from full file path

... See DirectoryInfo.Name: string dirName = new DirectoryInfo(@"c:\projects\roott\wsdlproj\devlop\beta2\text").Name; share | improve this answer ...
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What's the most efficient test of whether a PHP string ends with another string?

The standard PHP way to test whether a string $str ends with a substring $test is: 13 Answers ...
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A variable modified inside a while loop is not remembered

...will not be available once the subshell exits. Instead you can use a here string to re-write the while loop to be in the main shell process; only echo -e $lines will run in a subshell: while read line do if [[ "$line" == "second line" ]] then foo=2 echo "Variable \$foo upda...
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How to use LocalBroadcastManager?

...context, Intent intent) { // Get extra data included in the Intent String message = intent.getStringExtra("message"); Log.d("receiver", "Got message: " + message); } }; @Override protected void onDestroy() { // Unregister since the activity is about to be closed. LocalBroadcastMan...
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Testing modules in rspec

...dummy_class = DummyClass.new @dummy_class.extend(Say) end it "get hello string" do expect(@dummy_class.hello).to eq "hello" end share | improve this answer | follow ...