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What is the difference between CMD and ENTRYPOINT in a Dockerfile?
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1814
Docker has a default entrypoint which is /bin/sh -c but does not have a default command.
When y...
When to use lambda, when to use Proc.new?
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14 Answers
14
Active
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Best way to test if a row exists in a MySQL table
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472
You could also try EXISTS:
SELECT EXISTS(SELECT * FROM table1 WHERE ...)
and per the docume...
C# 4.0 optional out/ref arguments
Does C# 4.0 allow optional out or ref arguments?
9 Answers
9
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Running multiple AsyncTasks at the same time — not possible?
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438
AsyncTask uses a thread pool pattern for running the stuff from doInBackground(). The issue is...
How to convert an ArrayList containing Integers to primitive int array?
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edited Jan 12 '12 at 17:40
Marek Sebera
36k3434 gold badges149149 silver badges227227 bronze badges
an...
Sort a list of tuples by 2nd item (integer value) [duplicate]
...the key keyword with sorted().
sorted([('abc', 121),('abc', 231),('abc', 148), ('abc',221)], key=lambda x: x[1])
key should be a function that identifies how to retrieve the comparable element from your data structure. In your case, it is the second element of the tuple, so we access [1].
For o...
Clean ways to write multiple 'for' loops
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edited Jan 10 '14 at 11:57
hansmaad
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an...
Is there a way to use SVG as content in a pseudo element :before or :after
...g xmlns="http://www.w3.org/2000/svg">
<circle cx="100" cy="50" r="40" stroke="black" stroke-width="2" fill="red"/>
<polyline points="20,20 40,25 60,40 80,120 120,140 200,180" style="fill:none;stroke:black;stroke-width:3"/>
</svg>
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Android Studio with Google Play Services
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243
All those answers are wrong, since the release of gradle plugin v0.4.2 the setup of google play...