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How to remove k__BackingField from json when Deserialize
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13 Answers
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In Firebase, is there a way to get the number of children of a node without loading all the node dat
...Ref.transaction(function (current_value) {
return (current_value || 0) + 1;
});
For more info, see https://www.firebase.com/docs/transactions.html
UPDATE:
Firebase recently released Cloud Functions. With Cloud Functions, you don't need to create your own Server. You can simply write JavaScript ...
JavaScript private methods
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412
You can do it, but the downside is that it can't be part of the prototype:
function Restaurant...
Calculate difference between two dates (number of days)?
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15 Answers
15
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Unable to install gem - Failed to build gem native extension - cannot load such file — mkmf (LoadErr
Ruby 1.9.3
12 Answers
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Do fragments really need an empty constructor?
...is whole class example should show the usage.
/**
* Created by chris on 21/11/2013
*/
public class StationInfoAccessibilityFragment extends BaseFragment implements JourneyProviderListener {
public static final StationInfoAccessibilityFragment newInstance(String crsCode) {
StationInfo...
Multiline bash commands in makefile
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138
You can use backslash for line continuation. However note that the shell receives the whole co...
Restful way for deleting a bunch of items
...com/resources/selections
which, if successful, should respond with:
HTTP/1.1 201 created, and a Location header to:
http://example.com/resources/selections/DF4XY7
On this page you will then see a (javascript) confirm box, which if you confirm will do a request of:
DELETE http://example.com/resou...
How to get key names from JSON using jq
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195
You can use:
$ jq 'keys' file.json
$ cat file.json:
{ "Archiver-Version" : "Plexus Archiv...
How does the MapReduce sort algorithm work?
...uce sort, except for a custom partitioner that uses a sorted list of N − 1 sampled keys that define the key range for each reduce. In particular, all keys such that sample[i − 1] <= key < sample[i] are sent to reduce i. This guarantees that the output of reduce i are all less than the outp...