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How to think in data stores instead of databases?
...arates it from RDMBS. to scale better with large dataset, App Engine has done some changes(some means lot of changes).
RDBMS VS DataStore
Structure
In database, we usually structure our data in Tables, Rows which is in Datastore it becomes Kinds and Entities.
Relations
In RDBMS, Most of the peop...
Split string to equal length substrings in Java
...
Here's the regex one-liner version:
System.out.println(Arrays.toString(
"Thequickbrownfoxjumps".split("(?<=\\G.{4})")
));
\G is a zero-width assertion that matches the position where the previous match ended. If there was no previo...
jQuery date/time picker [closed]
...
I've been using this one, and I LOVE it.
– Sonny
Oct 11 '10 at 18:00
3
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MySQL, update multiple tables with one query
...the row with the specified id. Some lessons are learned the hard way, this one was learned in the terrifing way.
– nheimann1
Mar 24 '15 at 15:06
1
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Swift - encode URL
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Is no one else completely flabbergasted at how long this code is to do this? I mean that method name is already hell of long, even without choosing the allowed character set.
– thatidiotguy
Se...
How can I convert immutable.Map to mutable.Map in Scala?
...ritten to take advantage of this:
val m = collection.immutable.Map(1->"one",2->"Two")
val n = collection.mutable.Map(m.toSeq: _*)
This works because a Map can also be viewed as a sequence of Pairs.
share
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App.Config Transformation for projects which are not Web Projects in Visual Studio?
... intuitively right it's actually very verbose.
Here's two transforms, one using XSLT and the same one using the XML
Document Transform syntax/namespace. As with all things there's
multiple ways in XSLT to do this, but you get the general idea. XSLT
is a generalized tree transformation lan...
Interview question: Check if one string is a rotation of other string [closed]
... would object a bit to this as an interview question. It has an "aha!" component, I think. Most programmers (me included) would just use brute force, which is not unreasonable anyway, and that may feel like not "clever" enough to the interviewer.
– Daniel Daranas
...
How to create an object property from a variable value in JavaScript? [duplicate]
...) but whatever... this is what you want.
– Dominic Cooney
Feb 11 '10 at 2:44
15
What I meant is t...
Can an html element have multiple ids?
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Contrary to what everyone else said, the correct answer is YES
The Selectors spec is very clear about this:
If an element has multiple ID attributes, all of them must be treated as IDs for that element for the purposes of the ID selector.Such...