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How to define two fields “unique” as couple
Is there a way to define a couple of fields as unique in Django?
2 Answers
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android.content.res.Resources$NotFoundException: String resource ID #0x0
I'm developing an Android app which reads data from MySQL database and I faced this error. I have this XML layout:
7 Answer...
invalid_grant trying to get oAuth token from google
I keep getting an invalid_grant error on trying to get an oAuth token from Google to connect to their contacts api. All the information is correct and I have tripple checked this so kind of stumped.
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How do I typedef a function pointer with the C++11 using syntax?
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It has a similar syntax, except you remove the identifier from the pointer:
using FunctionPtr = void (*)();
Here is an Example
If you want to "take away the uglyness", try what Xeo suggested:
#include <type_traits>
using FunctionPtr = std::add_pointer<void()>::type;
And her...
Google Sheets API Setup · App Inventor 2 中文网
...gle Developer Project
3. Enable the Google Sheeets API
4. Creating a Service Acccount
Linking the Google Sheets Document
1. Create the Google Sheets Document
2. Share the Google Sheets Document
3. Record Relevant Information
The Spreads...
How to do SELECT COUNT(*) GROUP BY and ORDER BY in Django?
I'm using a transaction model to keep track all the events going through the system
2 Answers
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How do I show multiple recaptchas on a single page?
I have 2 forms on a single page. One of the forms has a recaptcha displaying all the time. The other should display a recaptcha only after a certain event such as maxing out login attempts. So there are times when I would need 2 recaptchas to appear on the same page. Is this possible? I know I ...
Group a list of objects by an attribute : Java
I need to group a list of objects(Student) using an attribute(Location) of the particular object, the code is like below,
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Why do we need a fieldset tag?
...mple is:
<fieldset>
<legend>Colour</legend>
<input type="radio" name="colour" value="red" id="colour_red">
<label for="colour_red">Red</label>
<input type="radio" name="colour" value="green" id="colour_green">
<label for="colour_green">...
android get real path by Uri.getPath()
I'm trying to get image from gallery.
7 Answers
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