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get size of json object
... can use something like this
<script type="text/javascript">
var myObject = {'name':'Kasun', 'address':'columbo','age': '29'}
var count = Object.keys(myObject).length;
console.log(count);
</script>
shar...
Why can't I define a static method in a Java interface?
... I'm sure the actual implementation is quite different, but let me explain my notion of method dispatch, which models observed behavior accurately.
Pretend that each class has a hash table that maps method signatures (name and parameter types) to an actual chunk of code to implement the method. Whe...
Uninitialized constant ActiveSupport::Dependencies::Mutex (NameError)
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@aaron you edited my answer to add sudo in front of the commands, but afaik sudo isn't always appropriate (like when using rvm, etc.). People can add it in as needed.
– Gary S. Weaver
Jul 15 '11 at 14:13
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Is there a difference between authentication and authorization?
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In my experience, Authentication usually refers to the more technical process, i.e. Authenticating a user (by checking login/password credentials, certificates etc), whereas Authorization is used more in the Business Logic of an...
How to use QueryPerformanceCounter?
...ecided that I needed to change from using milliseconds to microseconds for my Timer class, and after some research I've decided that QueryPerformanceCounter is probably my safest bet. (The warning on Boost::Posix that it may not works on Win32 API put me off a bit). However, I'm not really sure ho...
After submitting a POST form open a new window showing the result
... you how to submit a form that you create via POST in JavaScript. Below is my modified code.
5 Answers
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Is there a visual profiler for Python? [closed]
...ooks like this. I use those commands:
python -m cProfile -o profile.dat my_program.py
gprof2dot.py -f pstats profile.dat | dot -Tpng -o profile.png
You need graphviz and gprof2dot.py installed. You might like a convenience shell script.
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Implementing Fast and Efficient Core Data Import on iOS 5
Question : How do I get my child context to see changes persisted on the parent context so that they trigger my NSFetchedResultsController to update the UI?
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How can I combine two commits into one commit? [duplicate]
...ith your git configuration. This is just a sequence that's efficient given my setup.
[2] - you'll see some stuff like # this is your n'th commit a few times, with your original commits right below these message. You want to remove these lines, and create a commit message to reflect the intentions o...
How do I autoindent in Netbeans?
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"Ctrl + Shift + F" works for me in my Mac with "NetBeans IDE 8.0.2".
– arango_86
Aug 21 '15 at 9:15
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