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Getting “unixtime” in Java
...xtime is seconds since Jan 1, 1970. I don't usually code in java, but I'm working on some bug fixes. I have:
2 Answers
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composer: How to find the exact version of a package?
Suppose I'm writing a library A, that depends on another library, monolog for instance.
5 Answers
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PowerShell and the -contains operator
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The -Contains operator doesn't do substring comparisons and the match must be on a complete string and is used to search collections.
From the documentation you linked to:
-Contains
Description: Containment operator. Tells whether a colle...
Hibernate openSession() vs getCurrentSession()
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As explained in this forum post, 1 and 2 are related. If you set hibernate.current_session_context_class to thread and then implement something like a servlet filter that opens the session - then you can access that session anywhere else by using ...
How to save a data.frame in R?
...are several ways. One way is to use save() to save the exact object. e.g. for data frame foo:
save(foo,file="data.Rda")
Then load it with:
load("data.Rda")
You could also use write.table() or something like that to save the table in plain text, or dput() to obtain R code to reproduce the table...
What's Alternative to Singleton
We have a class that holds configuration information for the application. It used to be a singleton. After some architectural review, we were told to remove the singleton. We did see some benefits of not using singleton in the unit testing because we can test different configurations all at once.
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In which order should floats be added to get the most precise result?
... my recent interview and I want to know (I don't actually remember the theory of the numerical analysis, so please help me :)
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Forced naming of parameters in Python
...n specify * in the argument list.
From docs:
Parameters after “*” or “*identifier” are keyword-only parameters and
may only be passed used keyword arguments.
>>> def foo(pos, *, forcenamed):
... print(pos, forcenamed)
...
>>> foo(pos=10, forcenamed=20)
10 20
>...
Asynchronous vs Multithreading - Is there a difference?
...ew thread. That's one way to implement it, with a pre-existing thread pool or external process being other ways. It depends heavily on language, object model (if any), and run time environment.
Asynchronous just means the calling thread doesn't sit and wait for the response, nor does the asynchrono...
What is causing the error `string.split is not a function`?
...a Location object. The default .toString() returns the location in string form, so the concatenation will trigger that.
You could also use document.URL to get a string.
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