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Practical uses of different data structures [closed]

...they have a continuous memory for them: boolean, char, int, float, double, string. composite data structures are data structures that are composed of more than one primitive data types.class, structure, union, array/record. abstract datatypes are composite datatypes that have way to access them effi...
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Difference between Static and final?

...dard library classes are final, for example java.lang.System and java.lang.String. All methods in a final class are implicitly final. A final method can't be overridden by subclasses. This is used to prevent unexpected behavior from a subclass altering a method that may be crucial to the function or...
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Regular expression for exact match of a string

...he title of the question is misleading; he's trying to make sure two whole strings are exactly the same. Also, \w matches digits as well as letters, so [\w\d] is redundant. – Alan Moore Apr 17 '14 at 2:54 ...
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Keyboard shortcuts with jQuery

...tcuts (like 1 letter, for example just g) you could easily do it without a extra plugin: $(document).keypress(function(e) { if(e.charCode == 103) { // Your Code } }); share | improve this ...
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UnicodeDecodeError: 'utf8' codec can't decode byte 0x9c

...ote: This will strip out (ignore) the characters in question returning the string without them. For me this is ideal case since I'm using it as protection against non-ASCII input which is not allowed by my application. Alternatively: Use the open method from the codecs module to read in the file: ...
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Programmatically obtain the phone number of the Android phone

...(TelephonyManager)mAppContext.getSystemService(Context.TELEPHONY_SERVICE); String mPhoneNumber = tMgr.getLine1Number(); Required Permission: <uses-permission android:name="android.permission.READ_PHONE_STATE"/> Caveats: According to the highly upvoted comments, there are a few caveats t...
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What is the difference between related SQLite data-types like INT, INTEGER, SMALLINT and TINYINT?

...e stored as compact varints / float64, and only blob and text is stored as strings – phiresky May 17 '19 at 10:12 add a comment  |  ...
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How to use range-based for() loop with std::map?

... If copy assignment operator of foo and bar is cheap (eg. int, char, pointer etc), you can do the following: foo f; bar b; BOOST_FOREACH(boost::tie(f,b),testing) { cout << "Foo is " << f << " Bar is " << b; } ...
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Non-Singleton Services in AngularJS

...stancedService){ var instanceA = new InstancedService.Instance('A','string'), instanceB = new InstancedService.Instance('B','object'); console.log(angular.equals(instanceA, instanceB)); }); JsFiddle Updated Consider the following request for non-singleton services....
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How to convert IEnumerable to ObservableCollection?

...em = source.GetEnumerator(); var gType = source.GetType(); string collectionFullName = gType.FullName; Type[] genericTypes = gType.GetGenericArguments(); string className = genericTypes[0].Name; string classFullName = genericTypes[0].FullName; string a...