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Count the number of occurrences of a character in a string in Javascript
...share our ideas - just for fun, and perhaps some interesting benchmarks :)
https://gist.github.com/2757250
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How to add a new row to an empty numpy array
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How do I retrieve the number of columns in a Pandas data frame?
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Is it worth using Python's re.compile?
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dF.dF.
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Base 64 encode and decode example code
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For Kotlin mb better to use this:
fun String.decode(): String {
return Base64.decode(this, Base64.DEFAULT).toString(charset("UTF-8"))
}
fun String.encode(): String {
return Base64.encodeToString(this.toByteArray(charset("UTF-8")), Base64.DEFAULT)
}
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Is 161803398 A 'Special' Number? Inside of Math.Random()
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Is there a minlength validation attribute in HTML5?
...re now enabled in recent versions of all modern browsers. For details, see https://caniuse.com/#search=minlength.
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Check if a method exists
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Load dimension value from res/values/dimension.xml from source code
...call context.dp(R.dimen. tutorial_cross_marginTop) to get the Float value
fun Context.px(@DimenRes dimen: Int): Int = resources.getDimension(dimen).toInt()
fun Context.dp(@DimenRes dimen: Int): Float = px(dimen) / resources.displayMetrics.density
If you want to handle it without context, you can...
Creating Multifield Indexes in Mongoose / MongoDB
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By the way, the accepted answer is wrong, as per https://stackoverflow.com/a/52553550/129300 you should wrap the field names in single quotes, ie:
mySchema.index({'field1': 1, 'field2': 1}, {unique: true});
Happy Day!
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