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Is there a standard function to check for null, undefined, or blank variables in JavaScript?
... a truthy value like shown above.
Further read: http://typeofnan.blogspot.com/2011/01/typeof-is-fast.html
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add created_at and updated_at fields to mongoose schemas
...ma({..}, { timestamps: { createdAt: 'created_at' } });
http://mongoosejs.com/docs/guide.html#timestamps
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Hibernate Error: org.hibernate.NonUniqueObjectException: a different object with the same identifier
...y are not the same object.
I would suggest you break down your code, i.e. comment out bits until the error goes away and then put the code back until it comes back and you should find the error.
It most often happens via cascading saves where there is a cascade save between object A and B, but obj...
How do you compare two version Strings in Java?
Is there a standard idiom for comparing version numbers? I can't just use a straight String compareTo because I don't know yet what the maximum number of point releases there will be. I need to compare the versions and have the following hold true:
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Sort array of objects by string property value
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It's easy enough to write your own comparison function:
function compare( a, b ) {
if ( a.last_nom < b.last_nom ){
return -1;
}
if ( a.last_nom > b.last_nom ){
return 1;
}
return 0;
}
objs.sort( compare );
Or inline (c/o Marco Demai...
How do I create and read a value from cookie?
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“std::endl” vs “\n”
...s open in text mode, which is what you get unless you ask for binary. The compiled program will write out the correct thing for the system compiled for.
The only difference is that std::endl flushes the output buffer, and '\n' doesn't. If you don't want the buffer flushed frequently, use '\n'. I...
2D cross-platform game engine for Android and iOS? [closed]
...malade and I found it satisfying. Although it's not free and the developer community is also not large enough, but still you can handle most of the task using it's tutorials. (I'll write my tutorials once I got some times too).
IwGame is a good engine, developed by one of the Marmalade user. It's go...
Formatting code in Notepad++
...t TextFX can't find libTidy.dll. To fix that you can do this stackoverflow.com/questions/6985637/… After all of that you should be able to TextFX -> HTML Tidy -> Tidy: Reindent XML as @gablin described.
– darren
Feb 1 '12 at 10:15
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How do I get the height and width of the Android Navigation Bar programmatically?
..., it will return 0 for devices that have physical navigation stackoverflow.com/a/29938139/1683141
– Mdlc
May 1 '15 at 18:13
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