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NodeJS: Saving a base64-encoded image to disk
My Express app is receiving a base64-encoded PNG from the browser (generated from canvas with toDataURL() ) and writing it to a file. But the file isn't a valid image file, and the "file" utility simply identifies it as "data".
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Mark error in form using Bootstrap
...der to achieve a nice page design without resorting to GWT (the backend is made in java)
7 Answers
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Is < faster than
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No, it will not be faster on most architectures. You didn't specify, but on x86, all of the integral comparisons will be typically implemented in two machine instructions:
A test or cmp instruction, which sets EFLAGS
And a Jcc (jump) instruction, depen...
MemoryCache does not obey memory limits in configuration
I’m working with the .NET 4.0 MemoryCache class in an application and trying to limit the maximum cache size, but in my tests it does not appear that the cache is actually obeying the limits.
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How can I tell if a DOM element is visible in the current viewport?
Is there an efficient way to tell if a DOM element (in an HTML document) is currently visible (appears in the viewport )?
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How can I access my localhost from my Android device?
I'm able to access my laptop web server using the Android emulator, I'm using 10.0.2.2:portno
works well.
39 Answers
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Disabling Chrome Autofill
I have been running into issues with the chrome autofill behavior on several forms.
68 Answers
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Single script to run in both Windows batch and Linux Bash?
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What I have done is use cmd’s label syntax as comment marker. The label character, a colon (:), is equivalent to true in most POSIXish shells. If you immediately follow the label character by another character which can’t be used in a GOTO, then ...
Extending an Object in Javascript
I am currently transforming from Java to Javascript, and it's a bit hard for me to figure out how to extend objects the way I want it to do.
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Custom Adapter for List View
I want to create a custom adapter for my list view. Is there any article that can walk me through how to create one and also explain how it works?
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