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Difference between no-cache and must-revalidate
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That's how I'm seeing it now. The interesting part is my last para, without an ETag or Last-Modified, the agent has nothing to use to validate what it has in cache and must download the whole payload again. So when the RFC says "revalidate" that prob...
Filter data.frame rows by a logical condition
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I wonder if this works now? I wasn't able to subset dataframe based on condition in this way.
– Sumanth Lazarus
Oct 10 '19 at 11:47
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Visual Studio 2010 isn't building before a run when there are code changes
...s set to one of these configurations. Just changed it to Debug_Unicode and now it is building!
– sergiol
Oct 3 '16 at 17:34
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Better way to get type of a Javascript variable?
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Ah, I'd forgotten about that - thank you, it's now included.
– Vix
Feb 26 '16 at 9:20
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PHP method chaining?
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@alex: I don't have PHP 4 to test with right now, but I'm pretty sure not.
– BoltClock♦
Sep 16 '10 at 6:23
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How do I create a SHA1 hash in ruby?
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FYI, you should use Digest::SHA2.hexdigest now as it is more secure and has not (yet) been found to have any collisions.
– Joshua Pinter
Sep 18 at 15:22
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How do I get the different parts of a Flask request's url?
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new to Flask, i didn’t know where request object come from and how it works, here it is: flask.pocoo.org/docs/0.12/reqcontext
– Ulysse BN
Jan 27 '17 at 23:20
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Using printf with a non-null terminated string
Suppose you have a string which is NOT null terminated and you know its exact size, so how can you print that string with printf in C? I recall such a method but I can not find out now...
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Should I initialize variable within constructor or outside constructor [duplicate]
When I use Java based on my C++ knowledge, I love to initialize variable using the following way.
11 Answers
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How to serialize a lambda?
...e any use of such a cast expression outside of casting lambdas? E.g. is it now also possible to do something similar with an ordinary anonymous class?
– Balder
Apr 2 '14 at 10:50
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