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JavaScript - Replace all commas in a string [duplicate]

...ave issues? It is important to note, that regular expressions use special characters that need to be escaped. As an example, if you need to escape a dot (.) character, you should use /\./ literal, as in the regex syntax a dot matches any single character (except line terminators). var myStr = ...
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Optimal way to concatenate/aggregate strings

...Transact SQL, which should work fine in Azure. ;WITH Partitioned AS ( SELECT ID, Name, ROW_NUMBER() OVER (PARTITION BY ID ORDER BY Name) AS NameNumber, COUNT(*) OVER (PARTITION BY ID) AS NameCount FROM dbo.SourceTable ), Concatenated AS ( SELECT ...
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How to unescape HTML character entities in Java?

...ally I would like to decode a given Html document, and replace all special chars, such as " " -> " " , ">" -> ">" . ...
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MySQL Query to select data from last week?

Hi I have a table with a date field and some other information. I want to select all entries from the past week, (week start from Sunday). ...
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What is the memory consumption of an object in Java?

... storage overhead. String: a String's memory growth tracks its internal char array's growth. However, the String class adds another 24 bytes of overhead. For a nonempty String of size 10 characters or less, the added overhead cost relative to useful payload (2 bytes for each char plus 4 byte...
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Selecting empty text input using jQuery

...ow do I identify empty textboxes using jQuery? I would like to do it using selectors if it is at all possible. Also, I must select on id since in the real code where I want to use this I don't want to select all text inputs. ...
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Finding duplicate values in a SQL table

... SELECT name, email, COUNT(*) FROM users GROUP BY name, email HAVING COUNT(*) > 1 Simply group on both of the columns. Note: the older ANSI standard is to have all non-aggregated columns in the GROUP BY ...
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LEFT JOIN only first row

...rtist_id) will be the earliest. So try something like this (untested...) SELECT * FROM feeds f LEFT JOIN artists a ON a.artist_id = ( SELECT MIN(fa.artist_id) a_id FROM feeds_artists fa WHERE fa.feed_id = f.feed_id ) a ...
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Finding duplicate rows in SQL Server

...abase of organizations, and there are many duplicate rows. I want to run a select statement to grab all of these and the amount of dupes, but also return the ids that are associated with each organization. ...
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Google Authenticator implementation in Python

...cret (it must be correct parameter for base64.b32decode()) - preferably 16-char (no = signs), as it surely worked for both script and Google Authenticator. Use get_hotp_token() if you want one-time passwords invalidated after each use. In Google Authenticator this type of passwords i mentioned as b...