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How do I get the function name inside a function in PHP?
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How does “304 Not Modified” work exactly?
... If-Modified-Since or If-None-Match header, telling the server to send a 304 if the content still has that date or ETag.
The server needs some way of calculating a date-modified or ETag for each version of each resource; this typically comes from the filesystem or a separate database column.
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Immediate function invocation syntax
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From Douglass Crockford's style convention guide: (search for "invoked immediately")
When a fun...
.htaccess mod_rewrite - how to exclude directory from rewrite rule
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answered Dec 4 '09 at 17:51
GumboGumbo
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Appending to an existing string
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answered Mar 1 '10 at 15:44
sepp2ksepp2k
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Convert columns to string in Pandas
...refore your keys to strings):
In [11]: df = pd.DataFrame([['A', 2], ['A', 4], ['B', 6]])
In [12]: df.to_json()
Out[12]: '{"0":{"0":"A","1":"A","2":"B"},"1":{"0":2,"1":4,"2":6}}'
In [13]: df[0].to_json()
Out[13]: '{"0":"A","1":"A","2":"B"}'
Note: you can pass in a buffer/file to save this to, al...
Find rows with multiple duplicate fields with Active Record, Rails & Postgres
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Jeremie Ges
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answered Feb 14 '14 at 2:08
newUserNameHerenewUserNameHere
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