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Difference between knockout View Models declared as object literals vs functions
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JPA or JDBC, how are they different?
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243
In layman's terms:
JDBC is a standard for Database Access
JPA is a standard for ORM
JDBC i...
MySQL “incorrect string value” error when save unicode string in Django
...g' issue.
The most likely cause is a CharField which has a max_length of 255 and some kind of index on it (e.g. unique). Because utf8mb4 uses 33% more space than utf-8 you'll need to make these fields 33% smaller.
In this case, change the max_length from 255 to 191.
Alternatively you can edit ...
Case insensitive Query with Spring CrudRepository
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201
Exactly as @Peter mentioned in the comment, just add IgnoreCase:
public interface DeviceTypeR...
Add file extension to files with bash
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answered May 24 '11 at 16:58
Seth RobertsonSeth Robertson
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Git branching strategy integated with testing/QA process
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102
+50
The way w...
Center/Set Zoom of Map to cover all visible Markers?
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Bob van Luijt
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answered Oct 10 '13 at 19:31
AdamAdam
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Reading specific lines only
...for loop to read a file, but I only want to read specific lines, say line #26 and #30. Is there any built-in feature to achieve this?
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Swift variable decorations with “?” (question mark) and “!” (exclamation mark)
... Int = 1
// The type here is not "Int", it's "Optional Int"
var y: Int? = 2
// The type here is "Implicitly Unwrapped Optional Int"
var z: Int! = 3
Usage:
// you can add x and z
x + z == 4
// ...but not x and y, because y needs to be unwrapped
x + y // error
// to add x and y you need to do:
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