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What are “sugar”, “desugar” terms in context of Java 8?
...and to read (the latter being, in practice, the most important during the life cycle of your program).
Wikipedia has a definition of syntactic sugar but you should note that not all sugar is, in essence, syntactical (not all recent sweet additions were just compiler changes).
Here are a few examp...
What does “O(1) access time” mean?
...e large variance in the runtime: e.g., int main() { int n; cin >> n; if(n == 0) { sleep(60 * 60 * 24 * 365); } cout << n; } is O(1).
– jason
Jan 8 '10 at 19:04
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javax.validation.ValidationException: HV000183: Unable to load 'javax.el.ExpressionFactory'
...:
<dependency>
<groupId>javax.el</groupId>
<artifactId>javax.el-api</artifactId>
<version>2.2.4</version>
</dependency>
<dependency>
<groupId>org.glassfish.web</groupId>
<artifactId>javax.el</artifactId>
...
How do I clone into a non-empty directory?
...checkout -t origin/master
NOTE: -t will set the upstream branch for you, if that is what you want, and it usually is.
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Git in Powershell saying 'Could not find ssh-agent'
...\bin. but that folder isn’t automatically added to your PATH by msysgit.
If you don’t want to add this path to your system PATH, you can update your PowerShell profile script so it only applies to your PowerShell session. Here’s the change I made.
$env:path += ";" + (Get-Item "Env:ProgramFiles...
Converting Dictionary to List? [duplicate]
...milarly, you don't need to use append to build up a list, you can just specify it between square brackets as shown above. And we could have done dictlist.append([key,value]) if we wanted to be as brief as possible.
Or just use dict.items() as has been suggested.
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Change multiple files
...
If there are that many files, you'll break the command line limit in the for command. To protect yourself from that, you'd have to use find ... | xargs ...
– glenn jackman
May 4 '12 at 1...
What's the difference between IComparable & IEquatable interfaces?
... the interfaces seem to compare objects for equality, so what's the major differences between them?
5 Answers
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Deserialize JSON to ArrayList using Jackson
...Visually inspect your array to make sure you got back a list at least. And if need be add the mixin back, which should work along with the TypeReference to get everything neatly deserialized.
– Perception
Mar 22 '12 at 20:27
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Step out of current function with GDB
Those who use Visual Studio will be familiar with the Shift + F11 hotkey , which steps out of a function, meaning it continues execution of the current function until it returns to its caller, at which point it stops.
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