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What are DDL and DML?
...?, the original is as follows:
DDL
DDL is short name of Data Definition Language, which deals with
database schemas and descriptions, of how the data should reside in
the database.
CREATE – to create database and its objects like (table, index, views, store procedure, function...
Google Maps JS API v3 - Simple Multiple Marker Example
...Seems fairly simple, but all the multi-marker tutorials I have found are quite complex.
14 Answers
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Abstraction VS Information Hiding VS Encapsulation
...rady Booch says (in Object Oriented Analysis and Design, page 49, second edition):
Abstraction and encapsulation are complementary concepts: abstraction
focuses on the observable behavior of an object... encapsulation
focuses upon the implementation that gives rise to this behavior...
enca...
How can I use redis with Django?
I've heard of redis-cache but how exactly does it work? Is it used as a layer between django and my rdbms, by caching the rdbms queries somehow?
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How to avoid “cannot load such file — utils/popen” from homebrew on OSX
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The problem mainly occurs after updating OS X to El Capitan (OS X 10.11) or macOS Sierra (macOS 10.12).
This is because of file permission issues with El Capitan’s or later macOS's new SIP process. Try changing the permissions for the /usr/local directory:
$ sudo chown -R $(w...
Shell command to sum integers, one per line?
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Bit of awk should do it?
awk '{s+=$1} END {print s}' mydatafile
Note: some versions of awk have some odd behaviours if you are going to be adding anything exceeding 2^31 (2147483647). See comments for more background. One ...
What is the reason for a red exclamation mark next to my project in Eclipse?
... Problems view (try Window->Show View) which shows this kind of thing.
It's usually missing Jars (eg your project configuration references a jar that isn't there), and that kind of thing, in the case of JDT, but obviously these days Eclipse can be used in so many ways, it could be anything.
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Smooth scrolling when clicking an anchor link
...a couple of hyperlinks on my page. A FAQ that users will read when they visit my help section.
29 Answers
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How do you clone a Git repository into a specific folder?
Executing the command git clone git@github.com:whatever creates a directory in my current folder named whatever , and drops the contents of the Git repository into that folder:
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How to hide action bar before activity is created, and then show it again?
...ed to implement splash screen in my honeycomb app.
I use this code in activity's onCreate to show splash:
27 Answers
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