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How to make an array of arrays in Java
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answered Jan 24 '11 at 10:54
Jon SkeetJon Skeet
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The cast to value type 'Int32' failed because the materialized value is null
...where there can be unexpected nulls in different places. ...DefaultIfEmpty(0).Sum(0) can help in this (quite simple) case, where there might be no elements and sql's SUM returns null whereas c# expect 0.
A more general approach is to use ?? which will be translated to COALESCE whenever there is a r...
Returning first x items from array
...ray_slice returns a slice of an array
$sliced_array = array_slice($array, 0, 5)
is the code you want in your case to return the first five elements
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How do I find all installed packages that depend on a given package in NPM?
...ich packages depend on contextify you can run:
npm ls contextify
app-name@0.0.1 /home/zorbash/some-project
└─┬ d3@3.3.6
└─┬ jsdom@0.5.7
└── contextify@0.1.15
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Exception messages in English?
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answered Oct 16 '08 at 16:11
mdbmdb
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Deleting all pending tasks in celery / rabbitmq
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303
From the docs:
$ celery -A proj purge
or
from proj.celery import app
app.control.purge()
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How to check file MIME type with javascript before upload?
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10 Answers
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Download a specific tag with Git
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2903
$ git clone
will give you the whole repository.
After the clone, you can list the tags with ...
Drop shadow for PNG image in CSS
...s for IE.
.shadowed {
-webkit-filter: drop-shadow(12px 12px 25px rgba(0,0,0,0.5));
filter: url(#drop-shadow);
-ms-filter: "progid:DXImageTransform.Microsoft.Dropshadow(OffX=12, OffY=12, Color='#444')";
filter: "progid:DXImageTransform.Microsoft.Dropshadow(OffX=12, OffY=12, Color='#4...
How does !!~ (not not tilde/bang bang tilde) alter the result of a 'contains/included' Array method
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edited Nov 3 '16 at 20:41
Peter Mortensen
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