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Frag<em>mem>ent Inside Frag<em>mem>ent

I need help regarding working on frag<em>mem>ent inside frag<em>mem>ent, actually I a<em>mem> facing a proble<em>mem> on pressing back button. Application <em>Mem>ain screen has buttons and pressing on each button view replace with new frag<em>mem>ent(and that frag<em>mem>ent contain inside another frag<em>mem>ent), dyna<em>mem>ically adding/replacing frag<em>mem>ent ...
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How to calculate the angle between a line and the horizontal axis?

In a progra<em>mem><em>mem>ing language (Python, C#, etc) I need to deter<em>mem>ine how to calculate the angle between a line and the horizontal axis? ...
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AngularJS : Difference between the $observe and $watch <em>mem>ethods

I know that both Watchers and Observers are co<em>mem>puted as soon as so<em>mem>ething in $scope changes in AngularJS. But couldn't understand what exactly is the difference between the two. ...
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difference between throw and throw new Exception()

what is the difference between 12 Answers 12 ...
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ERROR 2006 (HY000): <em>Mem>ySQL server has gone away

... <em>mem>ax_allowed_packet=64<em>Mem> Adding this line into <em>mem>y.cnf file solves <em>mem>y proble<em>mem>. This is useful when the colu<em>mem>ns have large values, which cause the issues, you can find the explanation here. On Windows this file is located ...
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C++ catch blocks - catch exception by value or reference? [duplicate]

I always catch exceptions by value. e.g 4 Answers 4 ...
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How to parse Excel (XLS) file in Javascript/HT<em>Mem>L5

I a<em>mem> able to read Excel file via FileReader but it outputs text as well as weird characters with it. I need to read xls file row-wise, read data in every colu<em>mem>n and convert it to JSON. ...
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How to select/get drop down option in Seleniu<em>mem> 2

I a<em>mem> converting <em>mem>y seleniu<em>mem> 1 code to seleniu<em>mem> 2 and can't find any easy way to select a label in a drop down <em>mem>enu or get the selected value of a drop down. Do you know how to do that in Seleniu<em>mem> 2? ...
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Iterating C++ vector fro<em>mem> the end to the beginning

Is it possible to iterate a vector fro<em>mem> the end to the begin? 12 Answers 12 ...
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get list of pandas datafra<em>mem>e colu<em>mem>ns based on data type

If I have a datafra<em>mem>e with the following colu<em>mem>ns: 12 Answers 12 ...