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IntelliJ gives Fatal Error: Unable to find package java.lang in classpath or bootclasspath
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Somehow the JDK language jars were removed from the classpath. All I had to do was reapply the JSDK home path.
Goto:
File -> Project Structure -> Platform Settings -> SDKs
Re-apply the JSDK home path.
Doing this added about 15 jars to the classpath. Appar...
Markdown vs markup - are they related?
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Mark-up is a term from print editing - the editor would go through the text and add annotations (i.e. this in italic, that in bold) for the printers to use when producing the final version. This was called marking up the text.
A computer mark...
Exclude a sub-directory using find
...coming*"
Explanation:
find /home/feeds/data: start finding recursively from specified path
-type f: find files only
-not -path "*def/incoming*": don't include anything with def/incoming as part of its path
-not -path "*456/incoming*": don't include anything with 456/incoming as part of its path
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Under what conditions is a JSESSIONID created?
... Tomcat.
It appears that, whether you like it or not, if you invoke a JSP from a servlet, JSESSIONID will get created!
Added: I just found that by adding the following JSP directive:
<%@ page session="false" %>
you can disable the setting of JSESSIONID by a JSP.
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Sharing a result queue among several processes
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@alexis How to get the elements from the Manager().Queue() after multiple workers have inserted data into it?
– MSS
Jul 21 at 13:48
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Mock functions in Go
...ould need to mock virtually any dependency and yet have a clean API to use from outside your test suite.
To understand this it is imperative to understand that you have access to the unexported methods in your test case (i.e. from within your _test.go files) so you test those instead of testing the ...
What's the difference between String(value) vs value.toString()
...n would be roughly equivalent to:
value + '';
The type conversion rules from Object-to-Primitive are detailed described on the specification, the [[DefaultValue]] internal operation.
Briefly summarized, when converting from Object-to-String, the following steps are taken:
If available, execute...
Collections.emptyList() returns a List?
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Got it. Coming from the ML world, it's weird to me that Java can't infer the correct type: the type of formal parameter and the return type of emptyList are clearly unifiable. But I guess the type inferencer can only take "baby steps."
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Sharing Test code in Maven
How can you depend on test code from another module in Maven?
4 Answers
4
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How to use int.TryParse with nullable int? [duplicate]
...Singh: We don't know whether strValue could be null or not. If it's coming from a text box, it probably can't be null. My code doesn't try to address this, but we really don't know whether or not it should address it.
– Jon Skeet
Jun 14 '13 at 17:29
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