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Why does my application spend 24% of its life doing a null check?
...ttening your tree into arrays is very likely to be unpractical. Not in the least because you typically cannot predict in which order the nodes of the tree will be visited. A red-black tree might help, it isn't clear from the question. So a simple conclusion to draw is that it is already running as f...
Display the current time and date in an Android application
...rmat must, of course, be imported - if there's a choice of 2 for each, the least you could try is any combination: it's just 4!
– Zordid
Feb 16 '10 at 11:08
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Remove CSS from a Div using JQuery
...feel this was the best solution seeing as I prefer to do ALL styling or at least as much as possible in my stylesheets. I ended up doing things this way.
– LondonGuy
Mar 26 '12 at 23:54
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No secret option provided to Rack::Session::Cookie warning?
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This is the answer with the least of the "up votes", but the very only answer that actually solves the problem, without downgrading, and having compatibility issues. It just clears the annoying message
– Aleks
Mar ...
What techniques can be used to define a class in JavaScript, and what are their trade-offs?
...reate several classes in JavaScript but, if I'm not mistaken, there are at least a couple of ways to go about doing that. What would be the syntax and why would it be done in that way?
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LINQ Ring: Any() vs Contains() for Huge Collections
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At least according to the source, it stops on the first match. All() operates similarly.
– Etienne de Martel
Feb 14 '19 at 18:44
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Why are joins bad when considering scalability?
...ontext, of course joining two separate data sources is relatively slow, at least compared to not joining them, because it's work you need to do live at the point where the user requests it.
But remember the alternative is no longer having two separate pieces of data at all; you have to put the two d...
JSTL in JSF2 Facelets… makes sense?
...y based on a "static" model (i.e. the field does not ever change during at least the view scope). Also, you may run into EL trouble when you deal with subclasses with additional properties in Mojarra versions before 2.2.7.
<c:set> vs <ui:param>
They are not interchangeable. The <c:s...
SQL JOIN and different types of JOINs
... most of the situations. Moreover, we won't need this at all (or needs the least, to be precise).
5. SELF JOIN :
It is not a different form of JOIN, rather it is a JOIN (INNER, OUTER, etc) of a table to itself.
JOINs based on Operators
Depending on the operator used for a JOIN clause, there can ...
How can I tell if I'm running in 64-bit JVM or 32-bit JVM (from within a program)?
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Complementary info:
On a running process you may use (at least with some recent Sun JDK5/6 versions):
$ /opt/java1.5/bin/jinfo -sysprops 14680 | grep sun.arch.data.model
Attaching to process ID 14680, please wait...
Debugger attached successfully.
Server compiler detected.
JVM ver...