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How to read a .xlsx file using the pandas Library in iPython?
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Hmmm if you said mysql - I'd know the answer, postgres may just work similarly... not 100% though. (Would be a good question.)
– Andy Hayden
Jun 3 '13 at 21:54
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How can bcrypt have built-in salts?
...base, a bcrypt "hash" might look something like this:
$2a$10$vI8aWBnW3fID.ZQ4/zo1G.q1lRps.9cGLcZEiGDMVr5yUP1KUOYTa
This is actually three fields, delimited by "$":
2a identifies the bcrypt algorithm version that was used.
10 is the cost factor; 210 iterations of the key derivation function a...
What is an EJB, and what does it do?
...and
sharing common state across client callers. This can be easily over-ridden to manually
configure or programmatically control advanced scenarios for concurrent code execution
and data access.
Automated transaction handling.
Do nothing at all and all your EJB methods are run
in a JTA transact...
Difference between a Postback and a Callback
...ster POSTBACK in the page has come to be viewed by many as a waste of bandwidth and a sloppy way of implementing web page state. I can show you that most modern browsers and website, if designed using cacheable CSS and consistent HTML markup, will return page state quite naturally using the browsers...
Can PostgreSQL index array columns?
...ntation. If a column is an array type, will all the entered values be individually indexed?
3 Answers
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What does “S3 methods” mean in R?
..., and some recommend to use S3 over S4 if possible (See Google's R Style Guide at http://google-styleguide.googlecode.com/svn/trunk/google-r-style.html )*. However, I do not know the exact definition of S3 methods/objects.
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How do I discover memory usage of my application in Android?
How can I find the memory used on my Android application, programmatically?
9 Answers
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Meaning of acronym SSO in the context of std::string
...ple, the actual size varies), it stores it directly in that array. This avoids the need to call new at all, which speeds things up a bit.
EDIT:
I wasn't expecting this answer to be quite so popular, but since it is, let me give a more realistic implementation, with the caveat that I've never actua...
FixedThreadPool vs CachedThreadPool: the lesser of two evils
...er lived tasks and with my very limited knowledge of multithreading, I considered the average life of the threads (several minutes) " long lived ".
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React.js: Wrapping one component into another
...that allow to do some sort of inversion of control to wrap one template inside of another.
3 Answers
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