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Django set field value after a form is initialized
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@Josh, here is one scenario of the need: use a form to validate input -> processing with the input -> processing done -> erase/modify several fields of the form and render to HTML as response. Example, there are 'name', 'email', 'c...
What do I use for a max-heap implementation in Python?
...apq. But then it is totally unreasonable that it is NOT even slightly mentioned at all in the official document! WTF!
– RayLuo
Apr 21 '15 at 6:48
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Could not load file or assembly System.Web.Http.WebHost after published to Azure web site
... Running the Update-Package command resolved the issue, whereas none of the other suggestions worked. Thank you for the answer!
– DigiOz Multimedia
Feb 24 '15 at 16:33
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C# Class naming convention: Is it BaseClass or ClassBase or AbstractClass
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None of the above. Consider what purpose your base class provides; name it that. For example, the base class of Automobile and Bicycle could be Vehicle.
If you're creating base classes just to have a base class of one class...
How to change the Text color of Menu item in Android?
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One simple line in your theme :)
<item name="android:actionMenuTextColor">@color/your_color</item>
share
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im...
Serialize Class containing Dictionary member
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+1 and one suggestion. When a SerializableDictionary object holds more than one elements, exception is thrown... ReadXml() and WriteXml() should be modified to move ReadStartElement("item"); and WriteStartElement("item"); and its as...
Eclipse - Unable to install breakpoint due to missing line number attributes
... I know the rule, but there are a lot of answers here. This one, works for me at Nov 2019 But I change the main Runtime enviorement too, that solve the problem 100%.
– Alvargon
Nov 21 '19 at 12:34
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Repeat each row of data.frame the number of times specified in a column
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Here's one solution:
df.expanded <- df[rep(row.names(df), df$freq), 1:2]
Result:
var1 var2
1 a d
2 b e
2.1 b e
3 c f
3.1 c f
3.2 c f
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Does anyone still use [goto] in C# and if so why? [closed]
I was wondering whether anyone still uses the "goto" keyword syntax in C# and what possible reasons there are for doing so.
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Attempted to read or write protected memory. This is often an indication that other memory is corrup
I'm hoping someone can enlighten me as to what could possibly be causing this error:
26 Answers
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