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Exposing a port on a live Docker container
... -A DOCKER -p tcp --dport 8001 -j DNAT --to-destination 172.17.0.19:8000
One way you can work this out is to setup another container with the port mapping you want, and compare the output of the iptables-save command (though, I had to remove some of the other options that force traffic to go via t...
Should you choose the MONEY or DECIMAL(x,y) datatypes in SQL Server?
I'm curious as to whether or not there is a real difference between the money datatype and something like decimal(19,4) (which is what money uses internally, I believe).
...
'setInterval' vs 'setTimeout' [duplicate]
...Would using setTimeout with a function which changes the style to display none accomplish this?
– Batman
Feb 12 '13 at 21:02
...
Android: When is onCreateOptionsMenu called during Activity lifecycle?
I put a couple of breakpoints in onCreate (one at the beginning, and one at the end of the method), and I also put one at the beginning of onCreateOptionsMenu . The onCreate method is called first, and before it finishes onCreateOptionsMenu is called.
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Best practices for overriding isEqual: and hash
...question (best practices for overriding NSObject's hash). It just provides one particular hash algorithm. On top of that, the sparsity of the explanation makes it difficult to understand without deep knowledge on the matter, and can result in people using it without knowing what are they doing. I ...
Global access to Rake DSL methods is deprecated
... I don’t think it’s good to deliberately use old libraries, when newer one can be made to work, seeing comment below.
– Smar
Jun 11 '11 at 19:52
2
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Xml configuration versus Annotation based configuration [closed]
...been working on lately it seems to become increasingly important to choose one or the other (XML or Annotation). As projects grow, consistency is very important for maintainability.
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How to sort an array of objects by multiple fields?
... have to determine the correct settings during the comparison. I have not done any profiling though.
var sort_by;
(function() {
// utility functions
var default_cmp = function(a, b) {
if (a == b) return 0;
return a < b ? -1 : 1;
},
getCmpFunc = fu...
MySQL select 10 random rows from 600K rows fast
... specifically, if you have a gap at the start of your IDs the first one will get picked (min/max-min) of the time. For that case a simple tweak is MAX()-MIN() * RAND + MIN(), which is not too slow.
– Code Abominator
Aug 19 '14 at 4:16
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The constant cannot be marked static
...oid the confusion which could occur if a reader were to see two constants, one declared static and one not – they could easily assume that the difference in specification implied a difference in semantics. Having said that, there is no prohibition on redundantly specifying an access modifier which...