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Determine if an object property is ko.observable

... Knockout includes a function called ko.isObservable(). You can call it like ko.isObservable(vm[key]). Update from comment: Here is a function to determine if something is a computed observable: ko.isComputed = function (instance) { if ((instance === null) || (instance === undefined) ...
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Get Folder Size from Windows Command Line

Is it possible in Windows to get a folder's size from the command line without using any 3rd party tool? 17 Answers ...
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How to obtain the number of CPUs/cores in Linux from the command line?

...c ^processor /proc/cpuinfo will count the number of lines starting with "processor" in /proc/cpuinfo For systems with hyper-threading, you can use grep ^cpu\\scores /proc/cpuinfo | uniq | awk '{print $4}' which should return (for example) 8 (whereas the command above would return 16) ...
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How can I custom-format the Autocomplete plug-in results?

... widget. This function is defined like this: _renderMenu: function( ul, items ) { var self = this; $.each( items, function( index, item ) { self._renderItem( ul, item ); }); }, The _renderItem function is defined like this: _renderItem: function( ul, item) { return $( ...
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What is the purpose of the word 'self'?

What is the purpose of the self word in Python? I understand it refers to the specific object created from that class, but I can't see why it explicitly needs to be added to every function as a parameter. To illustrate, in Ruby I can do this: ...
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wkhtmltopdf: cannot connect to X server

...ctly, but through many requests by developers to have this run on servers without GUI, I am pretty sure it runs a virtual X server in the static version . I have been using the static (stand-alone) version of the program and it works great! I would put the executable file in a folder, and run: ...
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How do I count a JavaScript object's attributes? [duplicate]

...k inside the loop, the property count will go up to at least 4. On a page with other JavaScript besides this code, it could be higher than 4, if that other code also modifies the Object prototype. share | ...
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Mongoose query where value is not null

...follow | edited Jul 23 '15 at 15:27 answered May 13 '13 at 22:11 ...
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Finding all possible combinations of numbers to reach a given sum

How would you go about testing all possible combinations of additions from a given set N of numbers so they add up to a given final number? ...
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JSON datetime between Python and JavaScript

... return ... else: raise TypeError, 'Object of type %s with value of %s is not JSON serializable' % (type(obj), repr(obj)) Update: Added output of type as well as value. Update: Also handle date share...