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What are OLTP and OLAP. What is the difference between them?
...the analytics/business intelligence domain, and therefore OLAP is probably more suited.
If you think in terms of "It would be nice to know how/what/how much"..., and that involves all "objects" of one or more kind (ex. all the users and most of the products to know the total spent) then OLAP is pro...
Manual deployment vs. Amazon Elastic Beanstalk
...it just works (at least theoretically).
EC2 by itself is not PAAS. It is more like IAAS (Infrastructure as a Service). You still have to take care of the server instances, install software on them, keep them updated, etc.
Elastic Beanstalk is a PAAS system. So are App Engine and Azure among many...
What is the difference between Digest and Basic Authentication?
...have less work to do and take less time to deliver, so developers could be more likely to want to use your API
Unlike Digest, you can store the passwords on the server in whatever encryption method you like, such as bcrypt, making the passwords more secure
Just one call to the server is needed to g...
How can I get the current date and time in UTC or GMT in Java?
...hod which is applying the time zone there... if that's not it, please give more details.
– Jon Skeet
Sep 7 '11 at 13:59
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What is your most productive shortcut with Vim?
...rstand basic up, down, left, and right cursor movements then vi will be no more productive than a copy of "notepad" for you. (Okay, you'll still have syntax highlighting and the ability to handle files larger than a piddling ~45KB or so; but work with me here).
vi has 26 "marks" and 26 "registers."...
wildcard ssl on sub-subdomain [closed]
...ching is performed using the matching rules specified by
RFC2459. If more than one identity of a given type is present in
the certificate (e.g., more than one dNSName name, a match in any one
of the set is considered acceptable.) Names may contain the wildcard
character * which ...
Determine if a String is an Integer in Java [duplicate]
...tch just about every error condition you can think of. It will be a little more expensive (you have to create a Scanner object, which in a critically-tight loop you don't want to do. But it generally shouldn't be too much more expensive, so for day-to-day operations it should be pretty reliable.
pu...
what happens when you type in a URL in browser [closed]
...porary intents and purposes, an unrealistic scenario; all of these are far more complex in actual use, and the tech stack has become an order of magnitude more complicated since this was written. With this in mind, the following timeline is still somewhat valid:
browser checks cache; if requested ...
How do I convert seconds to hours, minutes and seconds?
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Pythonic way to create a long multi-line string
...""" this is a very
long string if I had the
energy to type more and more ..."""
You can use single quotes too (3 of them of course at start and end) and treat the resulting string s just like any other string.
NOTE: Just as with any string, anything between the starting and ending...