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How to export collection to CSV in MongoDB?
...s bug in the MongoDB issue tracker https://jira.mongodb.org/browse/SERVER-4224 you MUST provide the fields when exporting to a csv. The docs are not clear on it. That is the reason for the error.
Try this:
mongoexport --host localhost --db dbname --collection name --csv --out text.csv --fields fir...
Passing multiple variables in @RequestBody to a Spring MVC controller using Ajax
... can do though:
Say this is your json:
{
"str1": "test one",
"str2": "two test"
}
and you want to bind it to the two params here:
@RequestMapping(value = "/Test", method = RequestMethod.POST)
public boolean getTest(String str1, String str2)
First define a custom annotation, say @JsonA...
How to shrink/purge ibdata1 file in MySQL
...mysql and performance_schema databases
Drop all databases except the above 2 databases
Stop mysql
Delete ibdata1 and ib_log files
Start mysql
Restore from dump
When you start MySQL in step 5 the ibdata1 and ib_log files will be recreated.
Now you're fit to go. When you create a new database for ...
How do I remove newlines from a text file?
...
255
tr -d '\n' < yourfile.txt
Edit:
If none of the commands posted here are working, then yo...
Remove all occurrences of char from string
...
12 Answers
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How to select the last record of a table in SQL?
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Adriaan StanderAdriaan Stander
146k2626 gold badges261261 silver badges272272 bronze badges
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What's the difference between INNER JOIN, LEFT JOIN, RIGHT JOIN and FULL JOIN? [duplicate]
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philipxy
13.5k55 gold badges2929 silver badges6565 bronze badges
answered May 31 '11 at 13:29
Pranay RanaPranay Rana
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What do I have to do to get Core Data to automatically migrate models?
...ension xcdatamodeld - there will be a second file in this directory with a 2 in the name. Select the new file and then Design->Data Model->Set Current Version (in Xcode 4 you do this)
If you have already made the changes that have caused your project to be incompatible - take these changes out...
Testing web application on Mac/Safari when I don't own a Mac
... see them realtime on MAC Safari is by using
Browserstack
They have like 25 free minutes of first time testing and then 10 free mins each day..You can even test your pages from your local PC by using their WEB TUNNEL Feature
I tested 7 to 8 pages in browserstack...And I think they have some java ...
