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HttpServletRequest get JSON POST data [duplicate]
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Normaly you can GET and POST parameters in a servlet the same way:
request.getParameter("cmd");
But only if the POST data is encoded as key-value pairs of content type: "application/x-www-form-urlencoded" like when you use a standard HTML for...
How do I find the length (or dimensions, size) of a numpy matrix in python? [duplicate]
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shape is a property of both numpy ndarray's and matrices.
A.shape
will return a tuple (m, n), where m is the number of rows, and n is the number of columns.
In fact, the numpy matrix object is built on top of the ndarray object, one of numpy's two fundamental objec...
GROUP BY to combine/concat a column [duplicate]
...T ',' + PageURL
FROM TableName
WHERE [User] = a.[User] AND Activity = a.Activity
FOR XML PATH (''))
, 1, 1, '') AS URLList
FROM TableName AS a
GROUP BY [User], Activity
SQLFiddle Demo
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How to increase maximum execution time in php [duplicate]
...for infinite time of execution
Place this at the top of your PHP script and let your script loose!
Taken from Increase PHP Script Execution Time Limit Using ini_set()
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How to update a mongo record using Rogue with MongoCaseClassField when case class contains a scala E
I am upgrading existing code from Rogue 1.1.8 to 2.0.0 and lift-mongodb-record from 2.4-M5 to 2.5 .
1 Answer
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How do I use CREATE OR REPLACE?
Am I correct in understanding that CREATE OR REPLACE basically means "if the object exists, drop it, then create it either way?"
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How do I split a string on a delimiter in Bash?
... No, I don't think this works when there are also spaces present... it's converting the ',' to ' ' and then building a space-separated array.
– Ethan
Apr 12 '13 at 22:47
12
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How to iterate over the files of a certain directory, in Java? [duplicate]
...ectoryListing) {
// Do something with child
}
} else {
// Handle the case where dir is not really a directory.
// Checking dir.isDirectory() above would not be sufficient
// to avoid race conditions with another process that deletes
// directories.
}
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How to move a model between two Django apps (Django 1.7)
...eld. Then run python manage.py makemigrations
After doing Ozan's steps, re-convert your foreign keys: put back ForeignKey(TheModel)instead of IntegerField(). Then make the migrations again (python manage.py makemigrations). You can then migrate and it should work (python manage.py migrate)
Hope it...
How to search file text for a pattern and replace it with a given value
...en you try to mv the file across a device mount you will transparently get converted to cp behavior. The old file will be opened, the old files inode will be preserved and reopened and the file contents will be copied. This is most likely not what you want, and you may run into "text file busy" err...