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Likelihood of collision using most significant bits of a UUID in Java
...ely not true for other types of UUIDs, as Carl Seleborg mentions.
Incidentally, you would be slightly better off by using the least significant half of the UUID (or just generating a random long using SecureRandom).
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How to get commit history for just one branch?
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Before Git 2.1 (August 2014), this mistake: git log -3master.. would actually show you the last 3 commits of the current branch (here my_experiment), ignoring the master limit (meaning if my_experiment contains only one commit, 3 would still be listed, 2 of them from master)
See commit e3fa568 by...
Using NumberPicker Widget with Strings
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@ArulxZ If you haven't already figured this out, just call picker.setDescendantFocusability(ViewGroup.FOCUS_BLOCK_DESCENDANTS); to prevent the keyboard from popping up.
– Karim Varela
Jun 1 '15 at 20:21
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How do I enumerate through a JObject?
...hat (after this line: JObject priceComplianceJson = JObject.Parse(File.ReadAllText(fullPath));) I get, "Cannot convert type 'System.Collections.Generic.KeyValuePair<string,Newtonsoft.Json.Linq.JToken>' to 'Newtonsoft.Json.Linq.JProperty'" Removing the casting works, though: var key = x.Key; ...
how to pass an integer as ConverterParameter?
... @djacobson - True but that is what the ValueConversion attribute allows you to specify. Not exactly sure whether this is really used by at compile-time or run-time at all. In terms of the original posters question he specified that "i need it to be an integer. of course i can parse the str...
What does “Git push non-fast-forward updates were rejected” mean?
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GitHub has a nice section called "Dealing with “non-fast-forward” errors"
This error can be a bit overwhelming at first, do not fear.
Simply put, git cannot make the change on the remote without losing commits, so it refuses the push.
Usual...
“new” keyword in Scala
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Is it when we try to instantiate java objects only?
Not at all. There is two general cases when you ommit new in scala.
With singleton objects (that are oftenly used to store static functions and as a kind of factory similar to what you may seen in java):
scala> object LonelyGuy ...
How would I get a cron job to run every 30 minutes?
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I've always used */30 with success but I don't recall an application of mine where it was too critical if it only ran once an hour so I don't think I've ever checked.
– Adam Hawes
Feb 25 '09 at 5:39
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Why does C++11's lambda require “mutable” keyword for capture-by-value, by default?
...default, a function object should produce the same result every time it's called. This is the difference between an object orientated function and a function using a global variable, effectively.
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Remote debugging a Java application
...ome people are cutting and pasting the invocation here. The answer I originally gave was relevant for the OP only. Here's a more modern invocation style (including using the more conventional port of 8000):
java -agentlib:jdwp=transport=dt_socket,server=y,address=8000,suspend=n <other arguments&...