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How do I create and access the global variables in Groovy?
I need to store a value in a variable in one method and then I need to use that value from that variable in another method or closure. How can I share this value?
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Group By Multiple Columns
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@HoGo anonymous typed objects implement their own Equals and GetHashCode methods which is used when grouping the objects.
– Byron Carasco
Sep 7 '17 at 18:57
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How to convert float to varchar in SQL Server
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@Martin Smith, It seems to work, but the same way as decimal, so I'm not sure if it's the real value(last ten digits are zero). I guess, that the real value was lost. Thank you!
– hgulyan
Sep 15 '10 at 9:44
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How to change default text file encoding in Eclipse?
...0 is a 'default' encoding and I have to manually change it to UTF-8 each time I add anything.
9 Answers
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python plot normal distribution
Given a mean and a variance is there a simple function call which will plot a normal distribution?
8 Answers
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Move cursor to end of file in vim
...nd of line before doing a, use A;
Append text at the end of line [count] times
<ESC>GA
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Include all existing fields and add new fields to document
...oject stage that explicitly specifies all existing fields in the input documents and adds the new fields.
db.collection.aggregate([
{ "$addFields": { "custom_field": "$obj.obj_field1" } }
])
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Swift Beta performance: sorting arrays
I was implementing an algorithm in Swift Beta and noticed that the performance was very poor. After digging deeper I realized that one of the bottlenecks was something as simple as sorting arrays. The relevant part is here:
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Django vs. Model View Controller [closed]
Can somebody explain me where the diferences are between Django and the Model View Controller pattern?
4 Answers
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Style disabled button with CSS
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For the disabled buttons you can use the :disabled pseudo-element. It works for all the elements.
For browsers/devices supporting CSS2 only, you can use the [disabled] selector.
As with the image, don't put an image in the button. Use CSS background-image with background-position and...