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IN vs OR in the SQL WHERE Clause
...rding to the manual for MySQL if the values are constant IN sorts the list and then uses a binary search. I would imagine that OR evaluates them one by one in no particular order. So IN is faster in some circumstances.
The best way to know is to profile both on your database with your specific dat...
Iterating through a list in reverse order in java
...thout an index argument will give an Iterator at the beginning of the list and so hasPrevious() will return false on the first call.
– Adamski
Jan 20 '10 at 15:35
2
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SVG drop shadow using css3
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@LorenzoPolidori IE10 and Safari 5.2 both support SVG filters.
– Erik Dahlström
Jul 3 '12 at 8:04
4
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Is an empty href valid?
...in a document is interpreted as a reference to the start of that document, and a reference containing only a fragment identifier is a reference to the identified fragment of that document.
RFC 2396 is obsoleted by RFC 3986 (which is currently IETF’s URI standard), which essentially says the same...
String to Dictionary in Python
So I've spent way to much time on this, and it seems to me like it should be a simple fix. I'm trying to use Facebook's Authentication to register users on my site, and I'm trying to do it server side. I've gotten to the point where I get my access token, and when I go to:
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How to configure postgresql for the first time?
I have just installed postgresql and I specified password x during installation.
When I try to do createdb and specify any password I get the message:
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Different ways of clearing lists
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Why the first one will only affect a? I thought a and b reference to the same object... Just wanna know why. Thanks.
– Alston
Nov 22 '14 at 9:48
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Detect element content changes with jQuery
change() function works and detects changes on form elements, but is there a way of detecting when a DOM element's content was changed?
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cout is not a member of std
I'm practicing using mulitple files and header files etc. So I have this project which takes two numbers and then adds them. Pretty simple.
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Maximum request length exceeded.
...="1048576" />
</system.web>
</configuration>
For IIS7 and above, you also need to add the lines below:
<system.webServer>
<security>
<requestFiltering>
<requestLimits maxAllowedContentLength="1073741824" />
</requestFiltering&...