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What does `:_*` (colon underscore star) do in Scala?
I have the following piece of code from this question :
4 Answers
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How do I make the return type of a method generic?
..., note the where constraint here(type of U must be IConvertible to save us from the errors)
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Java JUnit: The method X is ambiguous for type Y
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The solution is not really to switch from one version to the other. Instead, help the compiler and remove the ambiguity as I suggested.
– Pascal Thivent
Nov 28 '09 at 2:55
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Get a list of all the files in a directory (recursive)
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Using the list was taken from the IDEA above. The problem with the above scripts is that they require to import groovy.io.FileType.FILES. gradle scripts don't like that. So I just made a method to look for the files that calls itself when a directory...
What is the meaning of id?
...NSObject protocol as well as the NSProxy class which does not even inherit from NSObject. The compiler will allow you to assign an object referenced by type id to any object type, assign any object type to id, as well as send it any message (that the compiler has seen) without warning.
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Resolving javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path
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Do I have to use keytool from java that is used by tomcat?because on one server I can have many java
– vikifor
Jan 3 '17 at 22:13
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JavaScript checking for null vs. undefined and difference between == and ===
...nse would be "null", since it definitely should return something different from typeof undefined. null represents a null object reference, which, at the very least, means the variable holding it is meant for some type of 'object'. If it was a mistake, it was a good mistake. Anyway, in regards to ...
.gitignore exclude files in directory but not certain directories
... on clone. The entries in .gitignore keeps others files within the folders from being tracked (unless you force it with git add -f ;)).
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Post an empty body to REST API via HttpClient
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Use StringContent or ObjectContent which derive from HttpContent or you can use null as HttpContent:
var response = await client.PostAsync(requestUri, null);
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Hibernate problem - “Use of @OneToMany or @ManyToMany targeting an unmapped class”
...had configured the sessionfactory and didn't think to include new entities from other branches.
– AEvans
Jun 21 '16 at 14:05
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