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Procedure expects parameter which was not supplied
...pplication code and see what value you are setting @template to. I suspect it is null and therein lies the problem.
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Instance variables vs. class variables in Python
I have Python classes, of which I need only one instance at runtime, so it would be sufficient to have the attributes only once per class and not per instance. If there would be more than one instance (which won't happen), all instance should have the same configuration. I wonder which of the follow...
ASP.NET MVC Relative Paths
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This gets asked so often it should be a FAQ, I think they need to include an example in the template.
– Simon Steele
Nov 25 '08 at 14:05
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How do I find out if the GPS of an Android device is enabled
... builder.setMessage("Your GPS seems to be disabled, do you want to enable it?")
.setCancelable(false)
.setPositiveButton("Yes", new DialogInterface.OnClickListener() {
public void onClick(@SuppressWarnings("unused") final DialogInterface dialog, @SuppressWarning...
Bootstrap Modal immediately disappearing
I'm working on a website using bootstrap.
27 Answers
27
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Images can't contain alpha channels or transparencies
Apple has released new version of iTunes Connect & I got an error message when I tried to set Screenshots on itunes connect for my app.
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error, string or binary data would be truncated when trying to insert
I am running data.bat file with the following lines:
16 Answers
16
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Open Sublime Text from Terminal in macOS
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I finally got this to work on my OSX box. I used these steps to get it to work:
Test subl from your ST installation:
First, navigate to a small folder in Terminal that you want ST to open and enter the following command:
/Applications/Sublime\ Text.app/Contents/SharedSupport/bin/subl .
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Spring MVC: How to perform validation?
...t org.springframework.validation.Validator . A question about that: I saw it validates a class. Does the class have to be filled manually with the values from the user input, and then passed to the validator?
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Javascript swap array elements
...emporary variable.
var b = list[y];
list[y] = list[x];
list[x] = b;
Edit hijacking top answer 10 years later with a lot of ES6 adoption under our belts:
Given the array arr = [1,2,3,4], you can swap values in one line now like so:
[arr[0], arr[1]] = [arr[1], arr[0]];
This would produce the ...