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How does “304 Not Modified” work exactly?
...he 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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How to select an option from drop down using Selenium WebDriver C#?
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answered Mar 14 '11 at 8:37
Matthew KellyMatthew Kelly
2,76411 gold badge1616 silver badges1010 bronze badges
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NUnit vs. MbUnit vs. MSTest vs. xUnit.net [closed]
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203
I know this is an old thread, but I thought I'd post a vote for xUnit.NET. While most of the oth...
Hide keyboard when scroll UITableView
...most answer is subclassing UITableView (http://stackoverflow.com/questions/3499810/tapping-a-uiscrollview-to-hide-the-keyboard).
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Check if value already exists within list of dictionaries?
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273
Here's one way to do it:
if not any(d['main_color'] == 'red' for d in a):
# does not exist
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What does SQL clause “GROUP BY 1” mean?
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edited Aug 20 '18 at 12:03
answered Sep 12 '11 at 19:12
Yu...
Why doesn't requests.get() return? What is the default timeout that requests.get() uses?
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130
What is the default timeout that get uses?
The default timeout is None, which means it'll ...
Persistent invalid graphics state error when using ggplot2
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357
I ran into this same error and solved it by running:
dev.off()
and then running the plot a...
How can I convert a PFX certificate file for use with Apache on a linux server?
...pdate your Apache configuration file with:
<VirtualHost 192.168.0.1:443>
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SSLEngine on
SSLCertificateFile /path/to/domain.cer
SSLCertificateKeyFile /path/to/domain.key
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</VirtualHost>
share
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Can someone explain collection_select to me in clear, simple terms?
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306
collection_select(
:post, # field namespace
:author_id, # field name
# result of ...
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