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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...
How to record webcam and audio using webRTC and a server-based Peer connection
...of overkill, especially considering the fact that Chrome has MediaRecorder API support from v47 and Firefox since v25. So at this junction, you might not even need an external js library to do the job, try this demo I made to record video/ audio using MediaRecorder:
Demo - would work in chrome and ...
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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impr...
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...
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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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
...
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,...
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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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 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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