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Nested attributes unpermitted parameters
...e(:log_entry).permit!
Nested attributes are in the form of a hash. In my app, I have a Question.rb model accept nested attributes for an Answer.rb model (where the user creates answer choices for a question he creates). In the questions_controller, I do this
def question_params
params.re...
Node.js: what is ENOSPC error and how to solve?
...r 1 kB (double - on 64-bit). This comes out of kernel memory, which is unswappable. So, assuming you set the max at 524288, and all were used (improbable), you'd be using approx. 256MB/512MB of 32-bit/64-bit kernel memory.
– Murali Krishna
Apr 5 '17 at 11:19
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How to load all modules in a folder?
...as sample code here github.com/namgivu/python-import-all/blob/master/error_app.py . Maybe I miss something there?
– Nam G VU
May 30 '17 at 6:08
1
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How to read a CSV file into a .NET Datatable
... a single set of column headers specified in the first line. What you have appears to be more generic comma-delimited, discriminated data, requiring more sophisticated "ETL" to parse from the file into object instances of varying types (which could include DataRows of different DataTables).
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Is onload equal to readyState==4 in XMLHttpRequest?
...that represents XHR 2 is CORS support so from that standpoint XHR 2 didn't appear in IE until IE 10 but XHR.onload was supported in IE 9 which is typically believed to be XHR 1.
– Chase
Nov 5 '14 at 6:39
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Do you need to use path.join in node.js?
... This answer does not make clear why use it in typical Node.js apps. Or maybe it's just me not getting it. Although it was interesting.
– Gherman
May 8 at 15:52
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How to make a countdown timer in Android?
...rt android.os.Bundle;
import android.os.Handler;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.LinearLayout;
import android.widget.TextView;
import java.text.SimpleDateFormat;
import java.util.Date;
public class MainActivity extends AppCompatActiv...
Get __name__ of calling function's module in Python
Suppose myapp/foo.py contains:
3 Answers
3
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How can I enable zoom in on UIWebView which inside the UIScrollView?
...l working fine Paging, ZoomIn/Out, etc... But I have one issue in that. My app working in both orientation (Portrait & Landscape). Now, in portrait, I have to swipe the page 2-3 times then I am able to go next page. But in landscape, it's working fine. I have take webview inside scrollview and s...
Why do I want to avoid non-default constructors in fragments?
I am creating an app with Fragments and in one of them, I created a non-default constructor and got this warning:
6 Answe...
