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Why can I add named properties to an array as if it were an object?
... everything in javascript is an object, so you can "abuse" an Array object by setting arbitrary properties on it. This should be considered harmful though. Arrays are for numerically indexed data - for non-numeric keys, use an Object.
Here's a more concrete example why non-numeric keys don't "fit" ...
Visual Studio build fails: unable to copy exe-file from obj\debug to bin\debug
...e, I thought I'd just share what ended up being my solution:
As suggested by Barry in a comment to the original post, manually renaming the '...bin\Debug[ProjectName].exe' to something else (e.g. '[ProjectName]1.exe') is one work-around (I'm however not allowed to delete the file myself, and I must...
Java generics type erasure: when and what happens?
...ses you CAN know at runtime what the generic type is, either implicitly or by using the Java Reflection API.
– Rogério
Dec 29 '09 at 2:50
14
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Handler vs AsyncTask vs Thread [closed]
...iods of time,
it is highly recommended you use the various APIs provided by the
java.util.concurrent package such as Executor, ThreadPoolExecutor and
FutureTask.
Update May 2015: I found an excellent series of lectures covering this topic.
This is the Google Search: Douglas Schmidt lectu...
Cleanest way to toggle a boolean variable in Java?
...
@ChristofferHammarström By that logic, then shouldn't --integer == -(-(integer)) == integer ?
– user515655
Dec 11 '15 at 4:54
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How to show the text on a ImageButton?
...k"
android:text="OK"/>
You can put the drawable wherever you want by using: drawableTop, drawableBottom, drawableLeft or drawableRight.
UPDATE
For a button this too works pretty fine. Putting android:background is fine!
<Button
android:id="@+id/fragment_left_menu_login"
androi...
SQL-Server: The backup set holds a backup of a database other than the existing
...d restore the .bak file on to it.
Use 'Restore Database' option accessible by right clicking the "Databases" branch of the SQL Server Management Studio and provide the database name while
providing the source to restore.
Also change the file names at "Files" if the other database still exists. Other...
Image Processing: Algorithm Improvement for 'Coca-Cola Can' Recognition
... robust against perspective deformation (this can be improved as suggested by stacker: a template database with different perspective views of the desired object). Its Achilles' heel in my experience would be strong lighting variations and very expensive computation. I don't know of any Java implem...
Why java.io.File doesn't have a close() method?
... close method on it doesn't make sense.
Actually, this class was misnamed by the library authors, it should be called something like Path.
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JavaScript - cannot set property of undefined
...appening:
d[a] == undefined, so you're doing undefined['greeting']=b; and by definition, undefined has no properties. Thus, the error you received.
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