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Does R have an assert statement as in python?
a statement that checks if something is true and if not prints a given error message and exits
3 Answers
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Inline labels in Matplotlib
... less than 0.2). See this question for a particularly nasty example. Right now, the code does not intelligently identify this scenario and re-arrange the labels, however there is a reasonable workaround. The labelLines function takes the xvals argument; a list of x-values specified by the user inste...
How can I append a string to an existing field in MySQL?
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Just in case somebody runs into the same issue as I did: If the field code is NULL by default you need to use: UPDATE categories SET code = CONCAT(IFNULL(code,''), '_standard') WHERE id = 1; Otherwise the concat will always result in NULL.
– Kai Noack
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Simplest code for array intersection in javascript
...riginal question saying that the contents are expected to contain arrays. Now, you'd be right to say that unexpected input should be handled, but if the spec already happened to dictate that input must be arrays of numbers (as I assumed) then the code would be fine.
– atk
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How to load external webpage inside WebView
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sorry. seems I changed something in the manifest and now it works too. but still, the page is loaded in the web browser, not in the webview.
– Gilbou
Sep 5 '11 at 9:03
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How does interfaces with construct signatures work?
... const objs: ComesFromString[] = [MadeFromString, AnotherOne, MoreString]; Now, how would I go about creating instances from those? say in a loop: _.each(objs, (x) => makeObj(x)? This will throw an error since x is of type ComesFromString and doesn't have a constructor.
– jm...
Can I use a min-height for table, tr or td?
... but the question was on min-height that does not work! what happens if you have a long text and needs another line with height it will get messed up
– CMS
Apr 13 '16 at 20:09
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How to install a gem or update RubyGems if it fails with a permissions error
...r their own use. While it's OK to make minor modifications to that if you know what you're doing, because you are not sure about the permissions problem, I'd say it's not a good idea to continue along that track.
Instead, I'll strongly suggest you look into using either rbenv or RVM to manage a sep...
Send email using the GMail SMTP server from a PHP page
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arrrgh. icant get swiftmailer to work. i dont know how to use that "composer" so i just downloaded the swiftmailer zip from github then I enabled open_ssl then supplied my gmail email and password but it still didnt work.
– boi_echos
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RecyclerView onClick
...se a recyclerview in another fragment/activity, the adapter/viewholder are now defining the logic of the clicks instead of whatever is containing them. The clicks should really be handled directly or indirectly by the containing instance. It seems that a touch listener is the only effective way to g...