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Why is it Valid to Concatenate Null Strings but not to Call “null.ToString()”?

...ng, but it does not convert the value of the original null string. More information on the + binary operator: The binary + operator performs string concatenation when one or both operands are of type string. If an operand of string concatenation is null, an empty string is substituted. Otherwise, ...
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Insert a commit before the root commit in Git?

... This worked for me. Additionally I used timedatectl set-time '2017-01-01 00:00:00' to give newroot an old timestamp. – chrm May 14 '17 at 11:54 add a comment ...
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Java “params” in method signature?

...xchange.using('gps', function() { StackExchange.gps.track('embedded_signup_form.view', { location: 'question_page' }); }); $window.unbind('scroll', onScroll); } }; ...
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Is “for(;;)” faster than “while (TRUE)”? If not, why do people use it?

...ot faster. If you really care, compile with assembler output for your platform and look to see. It doesn't matter. This never matters. Write your infinite loops however you like. share | improve t...
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MySQL Select all columns from one table and some from another table

... I need more information really but it will be along the lines of.. SELECT table1.*, table2.col1, table2.col3 FROM table1 JOIN table2 USING(id) share | ...
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How to add months to a date in JavaScript? [duplicate]

... Corrected as of 25.06.2019: var newDate = new Date(date.setMonth(date.getMonth()+8)); Old From here: var jan312009 = new Date(2009, 0, 31); var eightMonthsFromJan312009 = jan312009.setMonth(jan312009.getMonth()+8); ...
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Is there a built-in function to print all the current properties and values of an object?

... 'meta_path', 'modules', 'path', 'path_hooks', 'path_importer_ ache', 'platform', 'prefix', 'ps1', 'ps2', 'setcheckinterval', 'setprofile', 'setrecursionlimit , 'settrace', 'stderr', 'stdin', 'stdout', 'subversion', 'version', 'version_info', 'warnoption ', 'winver'] >>> Another useful fe...
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Incompatible implicit declaration of built-in function ‘malloc’

... necessarily, which is precisely the reason for the warning. Ex: a x64 platform with 64-bit data pointers and 32-bit int values will puke goat feces, while a x86 32bit-data-pointer/32bit-int can seemingly work correctly. Neither are correct, as in neither case is the compiler aware of what malloc ac...
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Why is the parent div height zero when it has floated children

...rflow: hidden on the container will avoid that by establishing a new block formatting context. See methods for containing floats for other techniques and containing floats for an explanation about why CSS was designed this way. ...
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Read/Write String from/to a File in Android

... EditText. Then I want the same file to return the inputted text in String form and save it to another String which is to be used later. ...