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How to convert hashmap to JSON object in Java
How to convert or cast hashmap to JSON object in Java, and again convert JSON object to JSON string?
29 Answers
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Where does gcc look for C and C++ header files?
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`gcc -print-prog-name=cc1plus` -v
This command asks gcc which C++ preprocessor it is using, and then asks that preprocessor where it looks for includes.
You will get a reliable answer for your specific setup.
Likewise, for the ...
UnicodeDecodeError: 'ascii' codec can't decode byte 0xe2 in position 13: ordinal not in range(128)
I'm using NLTK to perform kmeans clustering on my text file in which each line is considered as a document. So for example, my text file is something like this:
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How to Animate Addition or Removal of Android ListView Rows
In iOS, there is a very easy and powerful facility to animate the addition and removal of UITableView rows, here's a clip from a youtube video showing the default animation. Note how the surrounding rows collapse onto the deleted row. This animation helps users keep track of what changed in a li...
Unable to create/open lock file: /data/mongod.lock errno:13 Permission denied
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I was having the same problem on a Ubuntu ec2 instance. I was following this amazon article on page 7:
http://d36cz9buwru1tt.cloudfront.net/AWS_NoSQL_MongoDB.pdf
Mongodb path in /etc/mongodb.conf was set to /var/lib/mongodb (primary install loca...
How to find index of all occurrences of element in array?
...nd the index of all the instances of an element, say, "Nano", in a JavaScript array.
15 Answers
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Git format-patch to be svn compatible?
Is there any way to get a patch created with git format-patch to be svn compatible so that I can submit it to an svn repo?
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How to update Identity Column in SQL Server?
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You can not update identity column.
SQL Server does not allow to update the identity column unlike what you can do with other columns with an update statement.
Although there are some alternatives to achieve a similar kind of requirement...
Application not picking up .css file (flask/python)
I am rendering a template, that I am attempting to style with an external style sheet. File structure is as follows.
10 Ans...
How can I tell if a library was compiled with -g?
I have some compiled libraries on x86 Linux and I want to quickly determine whether they were compiled with debugging symbols.
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