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What is an example of the simplest possible Socket.io example?
...ent.createElement('li'),
messages = document.getElementById('messages');
el.appendChild(text);
messages.appendChild(el);
}
</script>
</head>
<body>
<ul id='messages'></ul>
</...
Maven: Non-resolvable parent POM
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It can also be fixed by putting the correct settings.xml file into the ~/.m2/ directory.
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JQuery: 'Uncaught TypeError: Illegal invocation' at ajax request - several elements
...the jQuery docs for processData:
processData Boolean
Default: true
By default, data passed in to the data option as an object (technically, anything other than a string) will be processed and transformed into a query string, fitting to the default content-type "application/x-www-form-urlenco...
Calling JMX MBean method from a shell script
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is it possible to describe how it works? I mean, by default jmx uses rmi, and there i see http. Does it mean that server has to be configured to support jmx requests over http?
– Psychozoic
Aug 20 '19 at 16:20
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What's “tools:context” in Android layout files?
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This attribute declares which activity this layout is associated with by default. This enables features in the editor or layout preview that require knowledge of the activity, such as what the layout theme should be in the preview and where to insert onClick handlers when you make those from a ...
How do you truncate all tables in a database using TSQL?
... Disabling constraints will NOT allow truncation of tables referenced by a FOREIGN KEY constraint. The FK constraint has to be dropped. Please reply if I am wrong about this, but I have found no way to avoid dropping them.
– Robert Claypool
Jul 1 '09 at ...
ORA-01882: timezone region not found
... also managed to make ojdbc6.jar version 11.2.0.3.0 connect without error, by adding oracle.jdbc.timezoneAsRegion=false in file oracle/jdbc/defaultConnectionProperties.properties (inside the jar). Found this solution here
Lastly, one can add -Doracle.jdbc.timezoneAsRegion=false to the command line,...
How can I select multiple columns from a subquery (in SQL Server) that should have one record (selec
...ax_Foo,
MAX(B.Foo2) AS Max_Foo2
FROM
B
GROUP BY
B.SalesOrderID
) AS SQ ON SQ.SalesOrderID = A.SalesOrderID
If what you're ultimately trying to do is get the values from the row with the highest value for Foo (rather than the max of Foo and the max of Fo...
Renaming a branch while on pull request
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"Renaming" a remote branch in git, as indicated by the link you provided, is really just deleting a branch, followed by pushing a new one with the same commit hash but a new name. If you have a pull request open for branch patch-1, when you delete that branch, the pull re...
In Python, what is the difference between “.append()” and “+= []”?
...-side list into the left-hand-side list.
Update: perf analysis
Comparing bytecodes we can assume that append version wastes cycles in LOAD_ATTR + CALL_FUNCTION, and += version -- in BUILD_LIST. Apparently BUILD_LIST outweighs LOAD_ATTR + CALL_FUNCTION.
>>> import dis
>>> dis.di...