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Copy rows from one Datatable to another DataTable?

...ble2.Rows.Add(dr.ItemArray); } The above example assumes that dataTable1 and dataTable2 have the same number, type and order of columns. share | improve this answer | follo...
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How do I change my Ruby version using RVM?

...m/scripts/rvm" ]] && . "$HOME/.rvm/scripts/rvm" to the same file and it worked! Of course, you have to restart your terminal after that. share | improve this answer | ...
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'echo' without newline in a shell script

... There are multiple versions of the echo command, with different behaviors. Apparently the shell used for your script uses a version that doesn't recognize -n. The printf command has much more consistent behavior. echo is fine for simple things like echo hello, but I s...
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What are all the valid self-closing elements in XHTML (as implemented by the major browsers)?

...nly) browsers to accept XHTML 1.0 documents by following the guidelines, and serving them as text/html. Therefore, documents served as text/html should be treated as HTML and not as XHTML. It's a very common pitfall, because W3C Validator largely ignores that rule, but browsers follow it relig...
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When is “Try” supposed to be used in C# method names?

... This is known as the TryParse pattern and has been documented by Microsoft. The official Exceptions and Performance MSDN page says: Consider the TryParse pattern for members that may throw exceptions in common scenarios to avoid performance problems related t...
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How to Customize a Progress Bar In Android

...in which I want to show a ProgressBar , but I want to replace the default Android ProgressBar . 9 Answers ...
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Best way to convert text files between character sets?

... Stand-alone utility approach iconv -f ISO-8859-1 -t UTF-8 in.txt > out.txt -f ENCODING the encoding of the input -t ENCODING the encoding of the output You don't have to specify either of these arguments. They will de...
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How can I escape a double quote inside double quotes?

...done by finishing an already-opened one ('), placing the escaped one (\'), and then opening another one ('). Alternatively: $ echo 'abc'"'"'abc' abc'abc $ echo "abc"'"'"abc" abc"abc It's done by finishing already opened one ('), placing a quote in another quote ("'"), and then opening another on...
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Is jQuery “each()” function synchronous?

...avaScript is synchronous. The only exceptions are AJAX, timers (setTimeout and setInterval), and HTML5 Web Workers. Your problem is probably somewhere else in your code. share | improve this answer ...
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Redis command to get all available keys?

Is there a Redis command for fetching all keys in the database? I have seen some python-redis libraries fetching them. But was wondering if it is possible from redis-client. ...