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Create Django model or update if exists

I want to create a model object, like Person, if person's id doesn't not exist, or I will get that person object. 6 Answer...
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Transparent ARGB hex value

The colors in this table is all not transparent. I guess the value for the A is set to FF . 5 Answers ...
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How do I cast a variable in Scala?

Given a variable with type Graphics , how do I cast it to Graphics2D in Scala? 2 Answers ...
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GoTo Next Iteration in For Loop in java

Is there a token in java that skips the rest of the for loop? Something like VB's Continue in java. 6 Answers ...
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how do I strip white space when grabbing text with jQuery?

I'm wanting to use jQuery to wrap a mailto: anchor around an email address, but it's also grabbing the whitepace that the CMS is generating. ...
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Is there a good way to attach JavaScript objects to HTML elements?

I want to associate a JavaScript object with an HTML element. Is there a simple way to do this? 2 Answers ...
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Visual Studio jump to next error shortcut?

When a compile fails in VB.NET in Visual Studio 2008, an Error List pops up at the bottom of the screen. To jump to an error, I double click on an error in the error list. ...
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How do you git show untracked files that do not exist in .gitignore

I'm using git status -u to show untracked files. And on the terminal, I see plenty untracked files that I need to be untracked such as unit tests, personal documentation, etc. I have put them in .gitignore , but it seems that git status still shows them. ...
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JVM option -Xss - What does it do exactly?

It says here that -Xss is used to "set thread stack size", what does it mean exactly? Could anyone help me understand this? ...
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Python: Get the first character of the first string in a list?

How would I get the first character from the first string in a list in Python? 4 Answers ...