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How can I make a multipart/form-data POST request using Java?
In the days of version 3.x of Apache Commons HttpClient, making a multipart/form-data POST request was possible ( an example from 2004 ). Unfortunately this is no longer possible in version 4.0 of HttpClient .
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How do I create an abstract base class in JavaScript?
Is it possible to simulate abstract base class in JavaScript? What is the most elegant way to do it?
16 Answers
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What version of javac built my jar?
How can I tell what version of the Java compiler was used to build a jar? I have a jar file, and it could have been built in any one of three JDKs. We need to know exactly which one, so we can certify compatibility. Is the compiler version embedded somewhere in the class files or jar?
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How to export DataTable to Excel
How can I export a DataTable to Excel in C#? I am using Windows Forms. The DataTable is associated with a DataGridView control. I have to export records of DataTable to Excel.
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Why do objects of the same class have access to each other's private data?
Why do objects of the same class have access to each other's private data?
7 Answers
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How can I iterate over an enum?
I just noticed that you can not use standard math operators on an enum such as ++ or +=
21 Answers
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Fragment Inside Fragment
I need help regarding working on fragment inside fragment, actually I
am facing a problem on pressing back button. Application Main screen
has buttons and pressing on each button view replace with new
fragment(and that fragment contain inside another fragment),
dynamically adding/replacing fragment ...
How to calculate the angle between a line and the horizontal axis?
In a programming language (Python, C#, etc) I need to determine how to calculate the angle between a line and the horizontal axis?
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ERROR 2006 (HY000): MySQL server has gone away
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max_allowed_packet=64M
Adding this line into my.cnf file solves my problem.
This is useful when the columns have large values, which cause the issues, you can find the explanation here.
On Windows this file is located ...
Change a Git remote HEAD to point to something besides master
How do I set a Git remote's HEAD reference to point to something besides "master"?
11 Answers
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