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How to get the unique ID of an object which overrides hashCode()?
...ed by the JavaTM programming language.
If a class overrides hashCode, it means that it wants to generate a specific id, which will (one can hope) have the right behaviour.
You can use System.identityHashCode to get that id for any class.
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Initializing select with AngularJS and ng-repeat
... I believe the note in the docs is a bit unclear and actually means you would have to be using a string for the model and have an array of strings for the options. If you don't mind what's the reasoning for using the "title" attribute I don't see it on W3C w3schools.com/tags/tag_option...
Isn't “package private” member access synonymous with the default (no-modifier) access?
...e one where none of them are explicitly given) is "package-private", which means only things in the same package can access them. However, being in the same package implies nothing about the inheritance relationship between classes -- it's purely a naming convention.
"Protected" means that not only...
Transparent ARGB hex value
...ed by the alpha channel (AA in #AARRGGBB). Maximal value (255 dec, FF hex) means fully opaque. Minimum value (0 dec, 00 hex) means fully transparent. Values in between are semi-transparent, i.e. the color is mixed with the background color.
To get a fully transparent color set the alpha to zero. RR...
SQL Update with row_number()
...olumn isn't nullable.
When I say the performance increase was massive I mean it was essentially instantaneous when updating a small number of rows. With the right indexes I was able to achieve an update that took the same amount of time as the 'inner' query does by itself:
SELECT PaidOrderIn...
Generating a drop down list of timezones with PHP
...ossible to sort the list by the offset value instead of the offset text. I mean, instead of UTC-11.00,UTC-10.00, ... ,UTC-01.00,UTC+14.00,UTC-13.00, ... ,UTC+00.00, I want to sort them as UTC-11.00,UTC-10.00, ... ,UTC-01.00,UTC+00.00,UTC+01.00, ... ,UTC+13.00,UTC-14.00
– Taufik...
Post data to JsonP
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@mark "synchronous POST" means submitting a form that uses <form method="post" action="http://.../...">
– Steven Kryskalla
Jun 3 '11 at 22:00
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What can , and be used for?
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@BalusC What exactly you mean by "You should however take the possible implications of a new GET request into account for a request and view scoped bean."
– Geek
Nov 6 '12 at 10:57
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How to do 3 table JOIN in UPDATE query?
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So does that mean that in 5.5 only implicit joins form is accepted for update?
– userfuser
Dec 28 '15 at 15:06
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Django filter versus get for single object?
...hat's why QS.get() is good. 2. Details matter: does "expecting only one" means always 0-1 objects, or it's possible to have 2+ objects and that case should be handled too (in this case len(objs) is a terrible idea)? 3. Don't assume anything about overhead without a benchmark (I think that in this ...