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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...
putting datepicker() on dynamically created elements - JQuery/JQueryUI
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How to remove k__BackingField from json when Deserialize
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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...
Calculate difference between two dates (number of days)?
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Unable to install gem - Failed to build gem native extension - cannot load such file — mkmf (LoadErr
Ruby 1.9.3
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How to get key names from JSON using jq
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You can use:
$ jq 'keys' file.json
$ cat file.json:
{ "Archiver-Version" : "Plexus Archiv...
BasicHttpBinding vs WsHttpBinding vs WebHttpBinding
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PostgreSQL: Difference between text and varchar (character varying)
...array).
Check this article from Depesz: http://www.depesz.com/index.php/2010/03/02/charx-vs-varcharx-vs-varchar-vs-text/
A couple of highlights:
To sum it all up:
char(n) – takes too much space when dealing with values shorter than n (pads them to n), and can lead to subtle errors be...