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Best practices for SQL varchar column length [closed]
...rforms slightly slower than [N]VARCHAR(n). I was recently referred to this site. The same is not true for PostgreSQL for all I know.
– Erwin Brandstetter
Nov 28 '11 at 20:37
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Turn a simple socket into an SSL socket
...wasn't reading the OpenSSL alerts exactly right, and couldn't talk to some sites.)
If you really want quick and simple, put stud in front of your program an call it a day. Having SSL in a different process won't slow you down: http://vincent.bernat.im/en/blog/2011-ssl-benchmark.html
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How do I expire a PHP session after 30 minutes?
... In other words, the user logs in, and as long as they continue to use the site, it will not log them out. However if they are inactive for 30 mins it will log them out?
– Metropolis
Aug 9 '10 at 16:29
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vs vs for inline and block code snippets
My site is going to have some inline code ("when using the foo() function...") and some block snippets. These tend to be XML, and have very long lines which I prefer the browser to wrap (i.e., I don't want to use <pre> ). I'd also like to put CSS formatting on the block snippets.
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What's the complete range for Chinese characters in Unicode?
...EOGRAPHIC_DESCRIPTION_CHARACTERS
See my fuller discussion here. And this site is convenient for browsing Unicode.
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Android search with Fragments
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See creating a search interface on the developer's site. The OP asked if it was possible to create a "searchable-Fragment" that works with the standard Android search as described in the documentation.
– Alex Lockwood
May 7 '12 at 16:38
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How to get a pixel's x,y coordinate color from an image?
...ave solved this) SVG from any domain. This protects against cases where a site serves up a custom image asset for a logged in user and an attacker wants to read the image to get information. You can solve the problem by either serving the image from the same server or implementing Cross-origin res...
Master-master vs master-slave database architecture?
...nue to update the
database.
Masters can be located in several physical sites i.e.
distributed across the network.
Disadvantages
Most multi-master replication systems are only loosely consistent,
i.e. lazy and asynchronous, violating ACID properties.
Eager replication syste...
Google Authenticator implementation in Python
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I was just given a 23 character secret by a site. Your code fails with a "TypeError: Incorrect padding" when I give it that secret. Padding the secret, like this, fixed the problem: key = base64.b32decode(secret + '===='[:3-((len(secret)-1)%4)], True)
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Can you use hash navigation without affecting history?
...e 30 under Windows 8, if I go to Chrome History and select "More from this site" under my test url, I can see all the hashes that were added with this method.
– Alex Vang
Oct 8 '13 at 12:14
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