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Django CharField vs TextField

...e found that using TextField by default can impact the portability of your app. There might not be a performance hit on Postgres, but Oracle will store it as a CLOB which has some annoyances, like not being able to use the field in WHERE statements. Just something to consider. –...
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Spring Boot + JPA : Column name annotation ignored

I have a Spring Boot application with dependency spring-boot-starter-data-jpa . My entity class has a column annotation with a column name. For example: ...
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What is the difference between and ? [duplicate]

... answered Oct 25 '11 at 12:03 pappap 24.6k55 gold badges3636 silver badges4646 bronze badges ...
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RESTful way to create multiple items in one request

... I believe that another correct way to approach this would be to create another resource that represents your collection of resources. Example, imagine that we have an endpoint like /api/sheep/{id} and we can POST to /api/sheep to create a sheep resource. Now, if...
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How to pass object with NSNotificationCenter

I am trying to pass an object from my app delegate to a notification receiver in another class. 5 Answers ...
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How to make return key on iPhone make keyboard disappear?

...Delegate). Use the following code in your delegate to make the keyboard disappear: - (BOOL)textFieldShouldReturn:(UITextField *)textField { [textField resignFirstResponder]; } Should work so far... share | ...
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Convert PDF to clean SVG? [closed]

...hs, too. I also find that they often lose the font data, but don't seem to approximate a good, installed font. How does PDF display it if SVG can't? – DanRedux Apr 23 '12 at 21:30 ...
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jQuery $(document).ready and UpdatePanels?

...lements on every update. Read all of the documentation before you use this approach however, since it may or may not meet your needs. There are a lot of jQuery plugins that would be unreasonable to refactor to use .delegate() or .on(), so in those cases, you're better off re-subscribing. ...
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Android : Check whether the phone is dual SIM

...he phone is a DUAL SIM or not. Try following activity : import android.app.Activity; import android.os.Bundle; import android.widget.TextView; public class MainActivity extends Activity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanc...
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Why are unsigned int's not CLS compliant?

... had been separate integer types for unsigned numbers and algebraic rings; applying a unary minus operator to unsigned 32-bit number should yield a 64-bit signed result [negating anything other than zero would yield a negative number] but applying a unary minus to a ring type should yield the additi...