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How to prevent Node.js from exiting while waiting for a callback?
...xecuted. This call is part of the code written by the module developer .
If a module is a quick port from a synchronous/blocking version, this may not happen til some part of the operation has completed and all the queues might empty before that occurs, allowing node to exit silently.
This is a s...
Change a Django form field to a hidden field
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If you have a custom template and view you may exclude the field and use {{ modelform.instance.field }} to get the value.
also you may prefer to use in the view:
form.fields['field_name'].widget = forms.HiddenInput()
but...
Git mergetool generates unwanted .orig files
When I do a merge conflict resolution with Kdiff3 (and other merge tool I tried) I noticed that on resolution a *.orig file is created. Is there a way for it to not create that extra file?
...
Mock vs MagicMock
...es all these protocol methods by creating new Mocks and
setting them, so if every new mock created a bunch of new mocks and
set those as protocol methods and then all of those protocol methods
created a bunch more mocks and set them on their protocol methods,
you've got infinite recursion......
Excel to CSV with UTF8 encoding [closed]
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A simple workaround is to use Google Spreadsheet. Paste (values only if you have complex formulas) or import the sheet then download CSV. I just tried a few characters and it works rather well.
NOTE: Google Sheets does have limitations when importing. See here.
NOTE: Be careful of sensitive ...
Deleting Objects in JavaScript
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The delete operator deletes only a reference, never an object itself. If it did delete the object itself, other remaining references would be dangling, like a C++ delete. (And accessing one of them would cause a crash. To make them all turn null would mean having extra work when deleting or ext...
What is the difference between printf() and puts() in C?
...than printf but be aware that the former automatically appends a newline. If that's not what you want, you can fputs your string to stdout or use printf.
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Add new item in existing array in c#.net
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I would use a List if you need a dynamically sized array:
List<string> ls = new List<string>();
ls.Add("Hello");
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Quickest way to convert XML to JSON in Java [closed]
...cy:
<dependency>
<groupId>org.json</groupId>
<artifactId>json</artifactId>
<version>20180813</version>
</dependency>
XML.java is the class you're looking for:
import org.json.JSONObject;
import org.json.XML;
public class Main {
public s...
Use of *args and **kwargs [duplicate]
So I have difficulty with the concept of *args and **kwargs .
11 Answers
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