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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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MySQL: ignore errors when importing?
... editor after snippets, if snippets enabled
if (StackExchange.settings.snippets.snippetsEnabled) {
StackExchange.using("snippets", function() {
createEditor();
});
}
else {
createEditor();
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What is the difference between char s[] and char *s?
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The difference here is that
char *s = "Hello world";
will place "Hello world" in the read-only parts of the memory, and making s a pointer to that makes any writing operation on this memory illegal.
While doing:
char s[] = "...
How to add line breaks to an HTML textarea?
I’m editing a <textarea> with JavaScript. The problem is that when I make line breaks in it, they won’t display. How can I do this?
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what is the difference between 'transform' and 'fit_transform' in sklearn
...enerated from fit() method,applied upon model to generate transformed data set.
fit_transform() :
combination of fit() and transform() api on same data set
Checkout Chapter-4 from this book & answer from stackexchange for more clarity
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Test if a variable is set in bash when using “set -o nounset”
...its with a unbound variable error. How to fix this, while still using the set -o nounset option?
6 Answers
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HTML5 canvas ctx.fillText won't do line breaks?
I can't seem to be able to add text to a canvas if the text includes "\n". I mean, the line breaks do not show/work.
17 Ans...
How do I use format() on a moment.js duration?
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// set up
let start = moment("2018-05-16 12:00:00"); // some random moment in time (in ms)
let end = moment("2018-05-16 12:22:00"); // some random moment after start (in ms)
let diff = end.diff(start);
// execution
let f = mome...
Applying .gitignore to committed files
...dex --no-assume-unchanged <file>
to find out which files have been set this way:
git ls-files -v|grep '^h'
credit for the original answer to
http://blog.pagebakers.nl/2009/01/29/git-ignoring-changes-in-tracked-files/
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How to sort git tags by version string order of form rc-X.Y.Z.W?
...d a new modifier to the formatting language, "strip", to remove a specific set of prefix components.
This fixes "git tag", and lets users invoke the same behavior from their own custom formats (for "tag" or "for-each-ref") while leaving ":short" with its same consistent meaning in all places.
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