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What does rake db:test:prepare actually do?
I a<em>mem> following the rails tutorial videos and I can't figure out what the db:test:prepare co<em>mem><em>mem>and actually does. Can so<em>mem>eone provide an explanation?
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Appending to an e<em>mem>pty DataFra<em>mem>e in Pandas?
Is it possible to append to an e<em>mem>pty data fra<em>mem>e that doesn't contain any indices or colu<em>mem>ns?
3 Answers
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Parallel.ForEach vs Task.Run and Task.WhenAll
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In this case, the second <em>mem>ethod will asynchronously wait for the tasks to co<em>mem>plete instead of blocking.
However, there is a disadvantage to use Task.Run in a loop- With Parallel.ForEach, there is a Partitioner which gets created to avoid <em>mem>aking <em>mem>ore...
How to use continue in jQuery each() loop?
In <em>mem>y application i a<em>mem> using AJAX call. I want to use break and continue in this jQuery loop.
4 Answers
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Specifying colClasses in the read.csv
I a<em>mem> trying to specify the colClasses options in the read.csv function in R. In <em>mem>y data, the first colu<em>mem>n "ti<em>mem>e" is basically a character vector while the rest of the colu<em>mem>ns are nu<em>mem>eric.
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How can one see content of stack with GDB?
I a<em>mem> new to GDB, so I have so<em>mem>e questions:
3 Answers
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@Colu<em>mem>n(s) not allowed on a @<em>Mem>anyToOne property
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Use @JoinColu<em>mem>n instead of @Colu<em>mem>n:
@<em>Mem>anyToOne
@JoinColu<em>mem>n(na<em>mem>e="LicenseeFK")
private Licensee licensee;
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$apply vs $digest in directive testing
... particular attribute on the scope, and I want to change that attribute in <em>mem>y test and verify that it responds correctly, which is the best way of doing that change?
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Should I avoid 'async void' event handlers?
... it is considered generally a bad idea to use fire-and-forget async void <em>mem>ethods to start tasks, because there is no track of the pending task and it is tricky to handle exceptions which <em>mem>ight be thrown inside such a <em>mem>ethod.
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Why cast an unused function para<em>mem>eter value to void?
In so<em>mem>e C project, I have seen this code:
2 Answers
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