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Reload django object from database
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@Yunti You can defer fields, or explicitly ask for only a subset of fields and the resulting object will be only partially populated. refresh_from_db will only update such already populated fields.
– 301_Moved_Permanently
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Where does Jenkins store configuration files for the jobs it runs?
...thin an eponymous directory in jobs/. The job configuration file is config.xml, the builds are stored in builds/, and the working directory is workspace/. See the Jenkins documentation for a visual representation and further details.
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HTML5 doctype putting IE9 into quirks mode?
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Placing:
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
in the <head> tag should do it.
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How can I have ruby logger log output to stdout as well as file?
...o write and close (not puts). As long as MultiIO responds to those and proxies them to the real IO objects, this should work.
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How to print a linebreak in a python function?
...= ['a1', 'a2', 'a3']
>>> B = ['b1', 'b2', 'b3']
>>> for x in A:
for i in B:
print ">" + x + "\n" + i
Outputs:
>a1
b1
>a1
b2
>a1
b3
>a2
b1
>a2
b2
>a2
b3
>a3
b1
>a3
b2
>a3
b3
Notice that you are using /n which is not correct!
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Difference between . and : in Lua
...lon is for implementing methods that pass self as the first parameter. So x:bar(3,4)should be the same as x.bar(x,3,4).
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Service Temporarily Unavailable Magento?
...there is a file called maintenance.flag and if so delete it.
Magento 1.x : maintenance.flag file is in : magento root directory
Magento 2.x : maintenance.flag file is in : var folder
When Magento is performing certain tasks it temporarily creates this file. Magento checks for its exist...
SQL selecting rows by most recent date
... can use a GROUP BY to group items by type and id. Then you can use the MAX() Aggregate function to get the most recent service month. The below returns a result set with ChargeId, ChargeType, and MostRecentServiceMonth
SELECT
CHARGEID,
CHARGETYPE,
MAX(SERVICEMONTH) AS "MostRecentServiceMon...
How to sort my paws?
In my previous question I got an excellent answer that helped me detect where a paw hit a pressure plate, but now I'm struggling to link these results to their corresponding paws:
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Java String new line
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@the_prole explained here
– Prince John Wesley
Dec 8 '15 at 9:56
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