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Rails: Missing host to link to! Please provide :host parameter or set default_url_options[:host]
...t=>"lvh.me", :port=>"3000"}
Hat tip to @pduersteler for leading me down this path.
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What is the difference between \r and \n?
...eps:
move the print head back to the beginning of the line, then
move it down to the next line.
ASCII encodes these actions as two distinct control characters:
\x0D (CR) moves the print head back to the beginning of the line. (Unicode encodes this as U+000D CARRIAGE RETURN.)
\x0A (LF) moves t...
Detect If Browser Tab Has Focus
... really, isn't this the perfect answer? does anyone see any downside?
– gaspar
Aug 6 '19 at 8:23
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UITextfield leftView/rightView padding on iOS7
...ode:
arrow = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"down_arrow"]];
arrow.frame = CGRectMake(0.0, 0.0, arrow.image.size.width+10.0, arrow.image.size.height);
arrow.contentMode = UIViewContentModeCenter;
textField.rightView = arrow;
textField.rightViewMode = UIT...
How to debug Ruby scripts [closed]
...up as a result of inspecting the dubious state you can interactively drill down instead of adding yet another exception and restarting the application.
– Patrick R.
Feb 16 '17 at 11:54
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Mercurial undo last commit
... and complete. If 2 years from now someone finds a bug in what you pulled down you can look in your (unused but saved) implementation of the same thing and go, "oh, I did it right". :)
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Why malloc+memset is slower than calloc?
... the 1990s, and it's the reason why one program can crash without bringing down the whole system. So when a program needs more memory, it can't just take the memory, but instead it asks for the memory from the kernel using a system call like mmap() or sbrk(). The kernel will give RAM to each proce...
How can I clear an HTML file input with JavaScript?
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Voted down for missing explanation!
– Jonathan
Jan 16 at 11:05
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Are there any Java method ordering conventions? [closed]
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@VadimKirilchuk «Internet Archive» was down…
– Timofey Gorshkov
Oct 7 '16 at 10:02
1
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Opening project in Visual Studio fails due to nuget.targets not found error
So I downloaded Twitterizer from http://www.twitterizer.net/downloads/
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