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Ternary operator is twice as slow as an if-else block?
...nothing to 'fix' about the ternary operator. it's usage in this case just happens to cause a different register allocation. In a different case, it might be faster than if/else, as I tried to explain in my answer.
– Eren Ersönmez
Jun 27 '13 at 12:41
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Do sessions really violate RESTfulness?
...
First, let's define some terms:
RESTful:
One can characterise applications conforming to the REST constraints
described in this section as "RESTful".[15] If a service violates any
of the required constraints, it cannot be considered RESTful.
according to wikipedia.
stateless const...
How do you parse and process HTML/XML in PHP?
... XMLReader and XMLWriter classes to create a simple "xml to object/array" mapping system and design pattern. Writing and reading XML is single-pass and can therefore be fast and require low memory on large xml files.
FluidXML
FluidXML is a PHP library for manipulating XML with a concise and fl...
Where are my postgres *.conf files?
...t PostgreSQL. See pg_clt -D, check postgresql.org/docs/current/interactive/app-pg-ctl.html
– Frank Heikens
Sep 1 '10 at 9:51
3
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Is there a list of screen resolutions for all Android based phones and tablets? [closed]
...ns are :
1280*800
1280*768
1024*600
1024*800
1024*768
800*400
800*480
Happy designing .. ! :)
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How do I uniquely identify computers visiting my web site?
...rowser fingerprinting poses in practice,
and what countermeasures may be appropriate to prevent it. There is a
tradeoff between protection against fingerprintability and certain kinds of
debuggability, which in current browsers is weighted heavily against privacy. Paradoxically, anti-fingerpri...
Declaration/definition of variables locations in ObjectiveC?
Ever since starting to work on iOS apps and objective C I've been really puzzled by the different locations where one could be declaring and defining variables. On one hand we have the traditional C approach, on the other we have the new ObjectiveC directives that add OO on top of that. Could you fo...
Why are Subjects not recommended in .NET Reactive Extensions?
... are any message to process
For option 1, easy, we just wrap it with the appropriate FromEvent method and we are done. To the Pub!
For option 2, we now need to consider how we poll this and how to do this effciently. Also when we get the value, how do we publish it?
I would imagine that you woul...
What do 'statically linked' and 'dynamically linked' mean?
...es responsible for the dreaded "DLL hell" that some people mention in that applications can be broken if you replace a dynamically linked library with one that's not compatible (developers who do this should expect to be hunted down and punished severely, by the way).
As an example, let's look at...
What does “Could not find or load main class” mean?
...<arg> is an arbitrary command line argument that gets passed to your application.
1 - There are some other syntaxes which are described near the end of this answer.
The fully qualified name (FQN) for the class is conventionally written as you would in Java source code; e.g.
packagen...