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What's the best way to iterate an Android Cursor?
...first result row, so on the first iteration this moves to the first result if it exists. If the cursor is empty, or the last row has already been processed, then the loop exits neatly.
Of course, don't forget to close the cursor once you're done with it, preferably in a finally clause.
Cursor cur...
Recursive sub folder search and return files in a list python
...dirpath which you call root. The dirnames are supplied so you can prune it if there are folders that you don't wish os.walk to recurse into.
import os
result = [os.path.join(dp, f) for dp, dn, filenames in os.walk(PATH) for f in filenames if os.path.splitext(f)[1] == '.txt']
Edit:
After the late...
Find MongoDB records where array field is not empty
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If you also have documents that don't have the key, you can use:
ME.find({ pictures: { $exists: true, $not: {$size: 0} } })
MongoDB don't use indexes if $size is involved, so here is a better solution:
ME.find({ pictures:...
cleanest way to skip a foreach if array is empty [duplicate]
Not a major problem but I was wondering if there is a cleaner way to do this. It would be good to avoid nesting my code with an unnecessary if statement. If $items is empty php throws an error.
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Javascript equivalent of Python's zip function
...x may have performance issues at this time, and possibly in the future, so if you use the second answer with variadic arguments, you may want to perf test it.)
Here's a oneliner:
function zip(arrays) {
return arrays[0].map(function(_,i){
return arrays.map(function(array){return array...
Clone Object without reference javascript [duplicate]
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If you use an = statement to assign a value to a var with an object on the right side, javascript will not copy but reference the object.
You can use lodash's clone method
var obj = {a: 25, b: 50, c: 75};
var A = _.clone(ob...
Google Maps: how to get country, state/province/region, city given a lat/long value?
...t a search feature that would allow users to find other users within a specified location (e.g. find all users in Brooklyn, NY)? Remember, all I have are lat/longs.
– StackOverflowNewbie
Oct 25 '10 at 11:05
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How to deal with floating point number precision in JavaScript?
...?
That depends on what kind of
calculations you’re doing.
If you really need your results to add up exactly, especially when you
work with money: use a special decimal
datatype.
If you just don’t want to see all those extra decimal places: simply
format your result rounded...
How to check if field is null or empty in MySQL?
I am trying to figure out how to check if a field is NULL or empty . I have this:
7 Answers
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Angularjs Template Default Value if Binding Null / Undefined (With Filter)
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This doesn't work if you need to display a '0' value in column
– neel shah
Jun 23 '14 at 11:30
6
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