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IN vs OR in the SQL WHERE Clause
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I assume you want to know the performance difference between the following:
WHERE foo IN ('a', 'b', 'c')
WHERE foo = 'a' OR foo = 'b' OR foo = 'c'
According to the manual for MySQL if the values are constant IN sorts the list and then uses a bi...
What does JVM flag CMSClassUnloadingEnabled actually do?
...y, I'm sorry, I have no clue. That was in 2012... I work on other projects now.
– Lukas Eder
Jan 18 '17 at 21:54
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Displaying the Indian currency symbol on a website
...where else, he will see Rs and not some other or blank character.
You can now also use the new Rupee unicode symbol — U+20B9 INDIAN RUPEE SIGN. It can be used in this manner:
<span class="WebRupee">&#x20B9;</span> 500
Just include the following script and it will update all the...
How to remove last n characters from every element in the R vector
...ar_array,"data2"=1:4)
a$data = substr(a$data,1,nchar(a$data)-3)
a should now contain:
data data2
1 foo_ 1
2 bar_ 2
3 ap 3
4 b 4
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follo...
RESTful Services - WSDL Equivalent
...iv.com/untangled/2008/rest-apis-must-be-hypertext-driven
My Conclusion : Now a Days, WADL is more common that Rest and Integration Frameworks like Camel CXF already supports WADL ( generate and consume ), because it is similar to WSDL, therefore most easy to understand in this migration process ( ...
Create a shortcut on Desktop
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}
[ComImport]
[InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
[Guid("000214F9-0000-0000-C000-000000000046")]
internal interface IShellLink
{
void GetPath([Out, MarshalAs(UnmanagedType.LPWStr)] StringBuilder pszFile, int cchMaxPath, out IntPtr pfd, int fFlags);...
Shards and replicas in Elasticsearch
...tand it. If I download Elasticsearch and run the script, then from what I know I have started a cluster with a single node. Now this node (my PC) have 5 shards (?) and some replicas (?).
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Visual Studio 2010 always thinks project is out of date, but nothing has changed
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Thank you - now why isn't that in the regular output window?
– Martin Beckett
Oct 27 '12 at 0:40
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what is the preferred way to mutate a React state?
...ldn't you be wrapping the function body in parenthesis? As it stands right now in your example, the braces after the fat arrow would start a block, not an object. Something like this: this.setState((state) => ({ list: state.list.push(newObj) }))
– kumarharsh
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Gson: How to exclude specific fields from Serialization without annotations
... Ty for the update. What I;m trying to see if it's possible to know where in the object graph I am when the method it called so I can exclude some fields of country but not countryOfBirth(for example) so same class but different properties. I've edited my question to clarify what I'm tryi...