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get size of json object

... check the size i.e. like that: var data = {one : 1, two : 2, three : 3}; _.size(data); //=> 3 _.keys(data); //=> ["one", "two", "three"] _.keys(data).length; //=> 3 share | improve this ...
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Extracting .jar file with command line

...or you, on my Windows partition it's: C:\Program Files (x86)\Java\jdk[some_version_here]\bin Unless the location of jar is in your path environment variable, you'll have to specify the full path/run the program from inside the folder. EDIT: Here's another article, specifically focussed on extrac...
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How to compare times in Python?

...use for comparison without taking the date into account: >>> this_morning = datetime.datetime(2009, 12, 2, 9, 30) >>> last_night = datetime.datetime(2009, 12, 1, 20, 0) >>> this_morning.time() < last_night.time() True ...
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Why do we use arrays instead of other data structures?

... at most two children. You can have a binary tree with the elements in any order. The binary search tree is organized as you describe. – gnud Jan 2 '09 at 20:37 1 ...
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What's the difference between “Solutions Architect” and “Applications Architect”? [closed]

...requirement is to reduce the number of staff in a call center taking Pizza orders, a solutions architect looks at all of the component pieces that will have to come together to satisfy this, things like what voice recognition software to use, what hardware is required, what OS would be best suited t...
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Understanding how recursive functions work

...ot been able to grok yet. Filtering out all of the (extremely clever) "In order to understand recursion, you must first understand recursion." replies from various online threads I still am not quite getting it. ...
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Getting the name of a variable as a string

...alue == {} foo.value['bar'] = 2 For list comprehension part, you can do: n_jobs = Wrapper(<original_value>) users = Wrapper(<original_value>) queues = Wrapper(<original_value>) priorities = Wrapper(<original_value>) list_of_dicts = [n_jobs, users, queues, priorities] co...
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How to count the number of files in a directory using Python

... Remember to add the folder_path inside os.path.filename(name) if you're not on the cwd. stackoverflow.com/questions/17893542/… – Rafael Oliveira Apr 10 '14 at 14:54 ...
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How to check 'undefined' value in jQuery

... and fill them with a default value say 0.0: var aFieldsCannotBeNull=['ast_chkacc_bwr','ast_savacc_bwr']; jQuery.each(aFieldsCannotBeNull,function(nShowIndex,sShowKey) { var $_oField = jQuery("input[name='"+sShowKey+"']"); if($_oField.val().trim().length === 0){ $_oField.val('0.0') ...
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How to check if object (variable) is defined in R?

...:(which(search() == "tools:rstudio") - 1L), function(pp) exists(_object_name_, where = pp, inherits = FALSE))) Compare replacing _object_name_ with "data.table" (TRUE) vs. "var" (FALSE) (of course, if you're not on RStudio, I think the first automatically attached environment is "packa...