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Create a new object from type parameter in generic class
...ne of the above examples worked for me as they required a concrete type in order to call the factory method.
After researching for awhile on this and unable to find a solution online, I discovered that this appears to work.
protected activeRow: T = {} as T;
The pieces:
activeRow: T = {} <...
Options, Settings, Properties, Configuration, Preferences — when and why?
...eferences : 12
Config(uration) : 1
Based on this, I'd sort these in this order (from general/fixed/app-related to specific/dynamic/user-related):
Settings > Options > Preferences
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im...
How to remove EXIF data without recompressing the JPEG?
...runcates.
2) Because this is for Nikon format, it assumes big endian byte order. If your image file uses little endian, some adjustments need to be made.
3) When trying to use ImageMagick to strip exif data, I noticed that I ended up with a larger file than what I started with. This leads me to ...
What is the difference between an int and a long in C++?
...
Including something on the relative size-wise order of the types yields way more information than enumerating sizes for different platforms - like @Kevin states so nicely. (-1vote)
– xtofl
Nov 7 '08 at 12:43
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Difference between FetchType LAZY and EAGER in Java Persistence API?
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@ADTC In order for lazy loading to work, the JDBC session must still be open when the target entities want to be loaded into the memory by invoking the getter method (e.g. getStudents()), but sometimes this is not possible, because by...
Rails Migration: Remove constraint
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In Rails 4+ in order to remove not-null constraint, you can use change_column_null:
change_column_null :users, :address, true
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im...
Why does ConcurrentHashMap prevent null keys and values?
...re is other sorts of locking done. That's what makes it "Concurrent". In order to do that, it needs an Object to hang on.
– Paul Tomblin
Mar 30 '09 at 19:26
2
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structure vs class in swift language
...mple here code to understand well.
struct SomeStruct {
var a : Int;
init(_ a : Int) {
self.a = a
}
}
class SomeClass {
var a: Int;
init(_ a: Int) {
self.a = a
}
}
var x = 11
var someStruct1 = SomeStruct(x)
var someClass1 = SomeClass(x)
var someStruct2 = someStruct1
var someClass2 = so...
How to retrieve the dimensions of a view?
...outChangeListener() can be used to avoid sub-classing.
One more thing, in order to get correct width of the view in View.onSizeChanged(), the layout_width should be set to match_parent, not wrap_content.
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How can I merge properties of two JavaScript objects dynamically?
...bj2
* @returns obj3 a new object based on obj1 and obj2
*/
function merge_options(obj1,obj2){
var obj3 = {};
for (var attrname in obj1) { obj3[attrname] = obj1[attrname]; }
for (var attrname in obj2) { obj3[attrname] = obj2[attrname]; }
return obj3;
}
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