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How to create a cron job using Bash automatically without the interactive editor?
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@TheBonsai oh I see, I fixed it now so it should APPEND the new command to the existing crontab contents
– duckyflip
May 18 '09 at 21:51
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How to copy in bash all directory and files recursive?
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@AnneTheAgile - from my tests just now and according to the man pages, -r and -R don't differ.
– aaaaaa
Jan 25 '15 at 2:54
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How to fully clean bin and obj folders within Visual Studio?
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sorry just now saw your comment. Specifying AfterTargets="Clean" will hook the target to the internal clean target for VisualStudio. However this simple target does not provide any feedbaco to the console so it will not do much other ...
Python: using a recursive algorithm as a generator
...ontrivial constraints. The problem came with a natural recursive solution. Now it happens that, even for relatively small input, the sequences are several thousands, thus I would prefer to use my algorithm as a generator instead of using it to fill a list with all the sequences.
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How to read environment variables in Scala
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Now that I use Scala on a daily basis, I must move the accepted answer to @paradigmatic's answer. It uses Scala API and if used as suggested in the comments can return an Option.
– summerbulb
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How do I enumerate the properties of a JavaScript object? [duplicate]
...you want
// you can get the value like this: myObject[propertyName]
}
Now, you will not get private variables this way because they are not available.
EDIT: @bitwiseplatypus is correct that unless you use the hasOwnProperty() method, you will get properties that are inherited - however, I do...
Check if a given key already exists in a dictionary
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I fully agree. But if you only need to know if a key exists, or you need to distinguish between a case where the key is defined and a case where you are using a default, in is the best way of doing it.
– Chris B.
Oct 21 '09 at...
How to set enum to null
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I don't know what the issue is then, but for my compiler it did give errors until I did the cast.
– StefanJanssen
Aug 7 '19 at 8:50
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How to resolve “must be an instance of string, string given” prior to PHP 7?
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As of PHP 7.0 type declarations allow scalar types, so these types are now available: self, array, callable, bool, float, int, string. The first three were available in PHP 5, but the last four are new in PHP 7. If you use anything else (e.g. integer or boolean) that will be interpreted as a cla...
Determining 32 vs 64 bit in C++
...h what we think is a reasonable solution using macros, but was curious to know if people could think of cases where this might fail or if there is a better way to do this. Please note we are trying to do this in a cross-platform, multiple compiler environment.
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