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Populate nested array in mongoose
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Amazing - so much cleaner! This is now the modern and correct answer. Documented here.
– isTravis
Jan 31 '16 at 4:00
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BACKUP LOG cannot be performed because there is no current database backup
...le] → OK
This was wrong. I shouldn't have first created the database.
Now, instead, I do this:
Right click on Databases > Restore Database > General : Device: [the
path of back up file] → OK
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How to convert an image to base64 encoding?
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Excellent tip, now i will create be a function to edit file upload, or a revert move_uploaded_file(), thanks
– Vinicius De Jesus
Mar 28 at 13:54
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JavaScript - Get minutes between two dates
...("2012-12-25");
var diffMs = (Christmas - today); // milliseconds between now & Christmas
var diffDays = Math.floor(diffMs / 86400000); // days
var diffHrs = Math.floor((diffMs % 86400000) / 3600000); // hours
var diffMins = Math.round(((diffMs % 86400000) % 3600000) / 60000); // minutes
al...
127 Return code from $?
...her words, the system doesn't understand your command, because it doesn't know where to find the binary you're trying to call.
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How do I rename a column in a database table using SQL?
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I believe MySQL 8.0 supports this syntax now
– Dan
Apr 23 at 17:41
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How to create directory automatically on SD card
...e output file
File outputFile = new File(wallpaperDirectory, filename);
// now attach the OutputStream to the file object, instead of a String representation
FileOutputStream fos = new FileOutputStream(outputFile);
Note: It might be wise to use Environment.getExternalStorageDirectory() for getting...
Draw line in UIView
...extAddLineToPoint(context, 20.0f, 20.0f); //draw to this point
// and now draw the Path!
CGContextStrokePath(context);
}
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Get keys from HashMap in Java
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This is doable, at least in theory, if you know the index:
System.out.println(team1.keySet().toArray()[0]);
keySet() returns a set, so you convert the set to an array.
The problem, of course, is that a set doesn't promise to keep your order. If you only have one...
Converting a string to int in Groovy
...ntroduced in recent versions of groovy (initial answer is fairly old), but now you can use:
def num = mystring?.isInteger() ? mystring.toInteger() : null
or
def num = mystring?.isFloat() ? mystring.toFloat() : null
I recommend using floats or even doubles instead of integers in the case if the...