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HTML - Display image after selecting filename [duplicate]
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If the user hits (cancel) and does not choose a file, an error is thrown to the console. Please check for the value of (f) before executing the line reader.readAsDataURL(input.files[0]);
– Ruslan Abuzant
Dec 20 '16 at 3:03
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How can I profile C++ code running on Linux?
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try-catch-finally
6,43055 gold badges3232 silver badges5959 bronze badges
answered Dec 17 '08 at 20:34
NazgobNazgob
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jQuery - getting custom attribute from selected option
... id="' + val.ItemKey + '">' + val.ItemText + '</option>');
})
},
error:function(){
//if there is an error append a 'none available' option
$select.html('<option id="-1">none available</option>');
}
});
$( "#List1" ).change(function () {
var optionSelected = $('#List1 option:s...
Make an Installation program for C# applications and include .NET Framework installer into the setup
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Followed everything but got this error: ERROR: To enable 'Download prerequisites from the same location as my application' in the Prerequisites dialog box, you must download file 'DotNetFX461\NDP461-KB3102436-x86-x64-AllOS-ENU.exe' for item 'Microsoft .NET F...
Failure [INSTALL_FAILED_ALREADY_EXISTS] when I tried to update my application
...tion with new version that has same signature as previous one, shows above error.
6 Answers
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When should one use RxJava Observable and when simple Callback on Android?
...nt is not much better than the Callback variant. For now, let's ignore the error handling.
Let's take a list of photos:
RxJava:
api.getUserPhotos(userId)
.subscribeOn(Schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.flatMap(new Func1<List<Photo>, Observable<Photo>>() ...
The application may be doing too much work on its main thread
...y. Any other thread
which attempts to do so, fails and crashes with this error. What you
need to do is create a new Runnable inside runOnUiThread and inside
this runnable you should do all the operations involving the UI. Find
an example here.
So we have Thread and Runnable for processi...
Resolving ambiguous overload on function pointer and std::function for a lambda using +
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VS15 gives you this fun error: test.cpp(543): error C2593: 'operator +' is ambiguous t\test.cpp(543): note: could be 'built-in C++ operator+(void (__cdecl *)(void))' t\test.cpp(543): note: or 'built-in C++ operator+(void (__stdcall *)(void))'...
What are the differences between Perl, Python, AWK and sed? [closed]
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edited Oct 22 '19 at 12:05
kvantour
18.6k44 gold badges3535 silver badges4747 bronze badges
answered D...
Casting a variable using a Type variable
...r is bypassing static type checking which could introduce possible runtime errors if you are not careful.
Also, it is assumed that the obj is an instance of Type typeVar or is convertible to that type.
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