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Executors.newCachedThreadPool() versus Executors.newFixedThreadPool()
... inside that BlockingQueue<Runnable> instance. When a thread becomes free, one of those queued tasks can be processed.
There are different implementations of the BlockingQueue interface in Java, so we can implement different queuing approaches like:
Bounded Queue: New tasks would be queued ...
How do I get a list of column names from a psycopg2 cursor?
...s, whereas it’s not (easily) possible to get column names for views from information_schema.
– wjv
Jun 23 '16 at 7:30
6
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Retrieve column names from java.sql.ResultSet
...
You can get this info from the ResultSet metadata. See ResultSetMetaData
e.g.
ResultSet rs = stmt.executeQuery("SELECT a, b, c FROM TABLE2");
ResultSetMetaData rsmd = rs.getMetaData();
String name = rsmd.getColumnName(1);
and you can g...
How to access outer class from an inner class?
... self.some_subclass = subclasses["some_subclass"]
del subclasses # Free up variable for other use.
def sub_function(self, ...args...):
...other code...
def _subclass_container(self):
_parent_class = self # Create access to parent class.
class some_subclass:
...
Closure in Java 7 [closed]
...ry 28, 2007 is named A Definition of Closures On his blog there is lots of information to get you started as well as videos. An here is an excellent Google talk - Advanced Topics In Programming Languages - Closures For Java with Neal Gafter, as well.
...
How do I remove documents using Node.js Mongoose?
...indByIdAndRemove
findOneAndRemove
Refer to mongoose API docs for further information.
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How do I replace a git submodule with another repo?
...module>
Run git submodule sync
Run git submodule update
More complete info can be found elsewhere:
Changing remote repository for a git submodule
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VSTS 2010 SGEN : error : Could not load file or assembly (Exception from HRESULT: 0x80131515)
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For other's info, SGEN is usually at "C:\Program Files\Microsoft SDKs\Windows\v7.0A\bin\NETFX 4.0 Tools"
– Steve Cooper
Feb 9 '11 at 9:05
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How to Get Element By Class in JavaScript?
...s in IE8 (not 100% sure - too lazy to google it). Regardless, I added some info regarding backwards compatibility using third party selector engines.
– Cristian Sanchez
Sep 28 '10 at 0:32
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difference between width auto and width 100 percent
...some border, the element's width will be 100% + border or margin. For more info see this.
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