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How to convert milliseconds to “hh:mm:ss” format?
...onds using minutes instead of hours.
BTW, I like your use of the TimeUnit API :)
Here's some test code:
public static void main(String[] args) throws ParseException {
long millis = 3600000;
String hms = String.format("%02d:%02d:%02d", TimeUnit.MILLISECONDS.toHours(millis),
Tim...
Create objective-c class instance by name?
...cleaner, then you could utilize the Objective-C language runtime library's API. Under Objective-C 2.0:
#import <objc/runtime.h>
//Declaration in the above named file
id objc_getClass(const char* name);
//Usage
id c = objc_getClass("Object");
[ [ c alloc ] free ];
Under the Objective-C (1.0...
What is __declspec and when do I need to use it?
... used at the same level as the export keyword.
/** Declare a public MRuby API function. */
#if defined(MRB_BUILD_AS_DLL)
#if defined(MRB_CORE) || defined(MRB_LIB)
# define MRB_API __declspec(dllexport)
#else
# define MRB_API __declspec(dllimport)
#endif
#else
# define MRB_API extern
#endif
...
Detect element content changes with jQuery
...
These are mutation events.
I have not used mutation event APIs in jQuery, but a cursory search led me to this project on GitHub. I am unaware of the project's maturity.
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Why dict.get(key) instead of dict[key]?
...
I will give a practical example in scraping web data using python, a lot of the times you will get keys with no values, in those cases you will get errors if you use dictionary['key'], whereas dictionary.get('key', 'return_otherwise') has no problems.
Similarly,...
nodejs get file name from absolute path?
If there any API could retrieve file name from an absolute file path?
7 Answers
7
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Mongoose query where value is not null
...
You should be able to do this like (as you're using the query api):
Entrant.where("pincode").ne(null)
... which will result in a mongo query resembling:
entrants.find({ pincode: { $ne: null } })
A few links that might help:
The mongoose query api
The docs for mongo query operato...
How can I set response header on express.js assets
...ow-Headers', 'Content-Type');
next();
});
// Express routes
app.get('/api/examples', (req, res)=> {...});
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curl_exec() always returns false
...I was following a PDF manual to develop some module to communicate with an API and while copying the link directly from the manual, for some odd reason, the hyphen from the copied link was in a different encoding and hence the curl_exec() was always returning false because it was unable to communica...
How to send multiple data fields via Ajax? [closed]
...yntax is:
data: {status: status, name: name},
As specified here: http://api.jquery.com/jQuery.ajax/
So if that doesn't work, I would alert those variables to make sure they have values.
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