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Why does parseInt(1/0, 19) return 18?
...t would be the reason, why it might stop at 19, if base's greater? Do you know, what's the greatest base JS can iterpret?
– Arnthor
Jul 10 '12 at 7:37
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How to save an image locally using Python whose URL address I already know?
I know the URL of an image on Internet.
13 Answers
13
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How to prevent ENTER keypress to submit a web form?
...;
return txtArea || (e.keyCode || e.which || e.charCode || 0) !== 13;
}
Now you can define a keypress handler on the form:
<form [...] onkeypress="return checkEnter(event)">
document.querySelector('form').onkeypress = checkEnter;
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CORS: Cannot use wildcard in Access-Control-Allow-Origin when credentials flag is true
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Ah, now that's more convenient, however, the result's the same :( BTW, I'm using app.use(cors({credentials: true}));
– ixaxaar
Nov 2 '13 at 15:34
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How to “set a breakpoint in malloc_error_break to debug”
...inally saw I put a space after the malloc_error_break, I suppressed it and now it works.
A dumb problem but if the solution doesn't work, be sure you haven't put any space before and after the malloc_error_break.
Hope this message will help..
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Reading HTML content from a UIWebView
...ent.documentElement.outerHTML"]; has been a lifesaver for me several times now. It seems to return from the document as much as possible.
– ennalax
May 13 '12 at 21:30
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What is the error “Every derived table must have its own alias” in MySQL?
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I understand now. I was also thinking it might have been generated by some code. It should still simplify as Paul and DMKing suggested.
– hometoast
Dec 11 '09 at 15:36
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Converting a generic list to a CSV string
...rt's blog.
Note: This was written before .NET 4.0 was officially released. Now we can just say
IEnumerable<T> sequence;
string csv = String.Join(",", sequence);
using the overload String.Join<T>(string, IEnumerable<T>). This method will automatically project each element x to x.To...
Close virtual keyboard on button press
...ou should also fire keyboard hiding in your button using onClickListener
Now clicking 'Done' on virtual keyboard and button will do the same - hide keyboard and perform click action.
share
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impro...
How to reshape data from long to wide format
...s this simply, with gather()/spread() being the terms for melt/cast.
Edit: Now, in 2019, tidyr v 1.0 has launched and set spread and gather on a deprecation path, preferring instead pivot_wider and pivot_longer, which you can find described in this answer. Read on if you want a brief glimpse into th...