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What is the memory consumption of an object in Java?
... information. One example among many good ones is the following.
http://www.cs.virginia.edu/kim/publicity/pldi09tutorials/memory-efficient-java-tutorial.pdf is also very informative, for example:
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What is the difference between is_a and instanceof?
...ing to the documentation it "has been undeprecated by popular request" php.net/manual/en/migration53.undeprecated.php
– Janci
Oct 22 '12 at 14:51
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What is the difference between a map and a dictionary?
... for the same thing:
"Map" is used by Java, C++
"Dictionary" is used by .Net, Python
"Associative array" is used by PHP
"Map" is the correct mathematical term, but it is avoided because it has a separate meaning in functional programming.
Some languages use still other terms ("Object" in Javasc...
How to insert an item into an array at a specific index (JavaScript)?
... "X", "Y"], "Z").join("-");
// "a-b-V-W-X-Y-Z-c-d"
DEMO: http://jsfiddle.net/UPphH/
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How to send an email using PHP?
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mail($to, $subject, $message, $headers);
?>
Reference:
http://php.net/manual/en/function.mail.php
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addEventListener vs onclick
...isteners (addEventListener and IE's attachEvent)
Earlier versions of Internet Explorer implement javascript differently from pretty much every other browser. With versions less than 9, you use the attachEvent[doc] method, like this:
element.attachEvent('onclick', function() { /* do stuff here*/ ...
Why does integer division in C# return an integer and not a float?
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In VB.Net .Net architects made another decision: / - always a float division, \ - integer division, so it is kind of inconsistent, except if you consider C++ legacy;
– BanditoBunny
Jun 1 '12 a...
How to connect to SQL Server database from JavaScript in the browser?
....microsoft.com/en-us/library/ms345123.aspx - SQL native WebServices
http://www.google.com/search?q=javascript+soap - Google results for Javascript SOAP clients
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Or versus OrElse
... also have the normal Or (|) and normal And (&). So comparing C# to VB.Net is:
| => Or
|| => OrElse
& => And
&& => AndAlso
The condifitonal boolean operators are very usefull preventing nested if constructions. But sometimes the normal boolean operators are needed to...
Parameterize an SQL IN clause
...ve) impede's SQL server's ability to take advantage of cached queries. The net result is that you almost certainly lose the value of using parameters in the first place (as opposed to merely inserting the predicate strings into the SQL itself).
Not that cached query plans aren't valuable, but IMO ...