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How to reset a single table in rails?
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rails console
irb(main):028:0> ActiveRecord::Base.connection.execute("SELECT SETVAL('accounts_id_seq', 1)")
Where the accounts in the accounts_id_seq is the name of the table.
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Django rest framework nested self-referential objects
... by the OP here and at the same time support this solution for dynamically selecting fields to be serialized. Yprez's solution causes an infinite recursion or requires additional complications to avoid the recursion and properly select fields.
– Louis
Jul 24 '...
RESTful API methods; HEAD & OPTIONS
...e defined by future extensions to HTTP. Content negotiation MAY be used to select the appropriate response format. If no response body is included, the response MUST include a Content-Length field with a field-value of "0".
The Max-Forwards request-header field MAY be used to target a specific proxy...
Conditionally Remove Dataframe Rows with R [duplicate]
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NA's killed my two hours :D Note that it will also select NA's
– Ioane Sharvadze
Feb 24 '17 at 20:18
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gradlew: Permission Denied
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Jenkins > Project Dashboard > (select gradle project) Configure > Build
x Use Gradle Wrapper
Make gradlew executable x
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Eclipse: Files opened by multiple searches using same editor tab
...esult -> Show In -> Package Explorer ->(file is now automatically selected)->Press 'Enter'
More simply
Select the result -> alt + shift + w -> Package Explorer -> press 'Enter' twice
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How to avoid variable substitution in Oracle SQL Developer with 'trinidad & tobago'
...| ' Tobago');
insert into table99 values('Trinidad &' || ' Tobago');
SELECT * FROM table99;
update table99 set col1 = 'Trinidad and Tobago' where col1 = 'Trinidad &'||' Tobago';
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Android app in Eclipse: Edit text not showing on Graphical layout
... shown in below screenshot.
Instead of "Automatically Pick Best", manually select the one which works for you (API 17 worked for me).
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follow
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input type=file show only button
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<input type="file" id="selectedFile" style="display: none;" />
<input type="button" value="Browse..." onclick="document.getElementById('selectedFile').click();" />
This will surely work i have used it in my projects.I hope this helps :)
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Integrating the ZXing library directly into my Android application
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Navigate to the newly extracted folder and open the core directory and select core.jar ... hit enter!
Now you just have to correct a few errors in the translations and the AndroidManifest.xml file :) Now you can happily compile, and you will now have a working standalone barcode scanner app, b...