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Linux bash: Multiple variable assignment
...ork: so that bash can launch the date command. In the second example, you set up a pipeline between date and your sub-shell. I think bash these days is clever enough not to actually fork into the subshell, but I'm not sure about that. At any rate, it looks like it would :)
– O...
Reflection generic get field value
I am trying to receive field value via reflection. The problem is I don't know the fields type and have to decide it while getting the value.
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Replacements for switch statement in Python?
I want to write a function in Python that returns different fixed values based on the value of an input index.
44 Answers...
Iteration ng-repeat only X times in AngularJs
...r a range.limitTo is useless in that case. It's not about iterating over a set of values that mean something on their own,it's iterating 4 times for instance.not 4 times over a slice of an existing array,just 4 times. just like in coffeescript when you create an adhoc slice , like "[0..4]" ,you don...
How to prune local tracking branches that do not exist on remote anymore
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After pruning, you can get the list of remote branches with git branch -r. The list of branches with their remote tracking branch can be retrieved with git branch -vv. So using these two lists you can find the remote trackin...
How to clone a case class instance and change just one field in Scala?
...case class Persona(
svcName : String,
svcId : String,
sentMsgs : Set[String]
) {
def plusMsg(msg: String) = this.copy(sentMsgs = this.sentMsgs + msg)
}
then
val newPersona = existingPersona plusMsg newMsg
sha...
PHP shell_exec() vs exec()
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ASP.NET MVC - Attaching an entity of type 'MODELNAME' failed because another entity of the same type
... state of one entry to 'Modified'. Before changing the state, the state is set to 'Detached' but calling Attach() does throw the same error. I'm using EF6.
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Why do objects of the same class have access to each other's private data?
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How to define “type disjunction” (union types)?
One way that has been suggested to deal with double definitions of overloaded methods is to replace overloading with pattern matching:
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