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Why use symbols as hash keys in Ruby?
...a string as a Hash key, Ruby needs to evaluate the string and look at it's contents (and compute a hash function on that) and compare the result against the (hashed) values of the keys which are already stored in the Hash.
If you use a symbol as a Hash key, it's implicit that it's immutable, so Rub...
XMLHttpRequest Origin null is not allowed Access-Control-Allow-Origin for file:/// to file:/// (Serv
...t there:
set chromePath to POSIX path of "/Applications/Google Chrome.app/Contents/MacOS/Google Chrome"
set switch to " --allow-file-access-from-files"
do shell script (quoted form of chromePath) & switch & " > /dev/null 2>&1 &"
...
Python: using a recursive algorithm as a generator
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What is the C# equivalent to Java's isInstance()?
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How does one use rescue in Ruby without the begin and end block
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Rails: How to list database tables/objects using the Rails console?
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How to indicate param is optional using inline JSDoc?
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TypeError: sequence item 0: m>ex m>pected string, int found
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Python argparse ignore unrecognised arguments
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How can I pass selected row to commandLink inside dataTable or ui:repeat?
...ller.viewDetail}"
process="@this" update=":mainform:dialog_content"
oncomplete="dlg2.show()">
<h:graphicImage library="images" name="view.png"/>
<f:param name="trxNo" value="#{item.map['trxNo']}"/>
</p:commandLink>
</p:column>
</p:data...