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How can I convert an image into Base64 string using JavaScript?
...oDataURL(outputFormat);
callback(dataURL);
};
img.src = src;
if (img.complete || img.complete === undefined) {
img.src = "data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///ywAAAAAAQABAAACAUwAOw==";
img.src = src;
}
}
toDataURL(
'https://www.gravatar.com/avatar/d50c83cc...
PostgreSQL DISTINCT ON with different ORDER BY
...ion
So you'll have to add the address_id to the order by.
Alternatively, if you're looking for the full row that contains the most recent purchased product for each address_id and that result sorted by purchased_at then you're trying to solve a greatest N per group problem which can be solved by t...
How to write a UTF-8 file with Java?
...tringToFile(f, document.outerHtml(), "UTF-8");
This will create the file if it does not exist.
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How to replace all dots in a string using JavaScript
...
just to clarify, the \ escapes special characters in regular expressions, like the . in this case
– realgt
Sep 27 '11 at 20:30
...
What's the point of OOP?
...dhere to or understand principles such as LSP); there seems to be little uniformity or consistency to the approaches that people take to modelling problem domains. All too often, the class is used simply for its syntactic sugar; it puts the functions for a record type into their own little namespac...
How to search all loaded scripts in Chrome Developer Tools?
...
Open a new Search pane in Developer Tools by:
pressing Ctrl+Shift+F (Cmd+Option+I on mac)
clicking the overflow menu (⋮) in DevTools,
clicking the overflow menu in the Console (⋮) and choosing the Search option
You can search across all your scripts with support for regular expre...
Will Dispose() be called in a using statement with a null object?
...
Note that even if your variable is null, the using block is executed, and if you reference your variable inside the using block without first null-checking it, you WILL get NullReferenceException. To prevent misinterpretation, this answer s...
Is == in PHP a case-sensitive string comparison?
...
Yes, but it does a comparison byte-by-byte.
If you're comparing unicode strings, you may wish to normalize them first. See the Normalizer class.
Example (output in UTF-8):
$s1 = mb_convert_encoding("\x00\xe9", "UTF-8", "UTF-16BE");
$s2 = mb_convert_encoding("\x00\x65...
CSS: how to position element in lower right?
...
But how to solve it if .box itself has to be position:absolute ? Impossible?
– Black
Oct 20 '15 at 7:13
...
Saving utf-8 texts in json.dumps as UTF8, not as \u escape sequence
...x9c\xd7\x94"'
>>> print(json_string.decode())
"ברי צקלה"
If you are writing to a file, just use json.dump() and leave it to the file object to encode:
with open('filename', 'w', encoding='utf8') as json_file:
json.dump("ברי צקלה", json_file, ensure_ascii=False)
Caveat...