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How do you detect Credit card type based on number?
...]{5,}|222[1-9][0-9]{3,}|22[3-9][0-9]{4,}|2[3-6][0-9]{5,}|27[01][0-9]{4,}|2720[0-9]{3,}$ Before 2016, MasterCard numbers start with the numbers 51 through 55, but this will only detect MasterCard credit cards; there are other cards issued using the MasterCard system that do not fall into this IIN ran...
How to read the output from git diff?
... Jakub NarębskiJakub Narębski
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Add new item count to icon on button - Android
...library is deprecated.
– wonsuc
Sep 20 '17 at 17:04
add a comment
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Should I avoid the use of set(Preferred|Maximum|Minimum)Size methods in Java Swing?
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trashgodtrashgod
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What is The Rule of Three?
...er knew. :))
– sbi
Nov 13 '10 at 17:20
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@Daan: See this answer. However, I'd recommend to stick ...
When is an interface with a default method initialized?
...t been updated accordingly.
EDIT: As a reference, the commit (from October 2012!) where the respective step has been included in the implementation: http://hg.openjdk.java.net/jdk8/build/hotspot/rev/4735d2c84362
EDIT2: Coincidentally, I found this Document about default methods in hotspot which cont...
How to access property of anonymous type in C#?
...en get its value.
See this blog post:
http://blogs.msdn.com/wriju/archive/2007/10/26/c-3-0-anonymous-type-and-net-reflection-hand-in-hand.aspx
So something like:
foreach(object o in nodes)
{
Type t = o.GetType();
PropertyInfo[] pi = t.GetProperties();
foreach (PropertyInfo p in pi)...
Lock, mutex, semaphore… what's the difference?
...tructure like an index"
– Peter
Jun 20 '12 at 6:12
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ByteBuffer.allocate() vs. ByteBuffer.allocateDirect()
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answered Apr 15 '11 at 1:20
bmarguliesbmargulies
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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
...nctions-samples/blob/master/child-count/functions/index.js
Update January 2018
The firebase docs have changed so instead of event we now have change and context.
The given example throws an error complaining that event.data is undefined. This pattern seems to work better:
exports.countPrescripti...