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How do I copy an object in Java?
...hat happens; I am saying that you have an incorrect understanding of the meaning of "copies all the fields". The field is the reference, it is not the object being referred to. "copying all fields" means "copying all those references". It is good that you pointed out what exactly this means, for any...
Creating a CSS3 box-shadow on all sides but one
I've got a tabbed navigation bar where I'd like the open tab to have a shadow to set it apart from the other tabs. I'd also like the whole tab section to have a single shadow (see bottom horizontal line) going up, shading the bottom of all tabs except for the open one.
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What do helper and helper_method do?
helper_method is straightforward: it makes some or all of the controller's methods available to the view.
1 Answer
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Input placeholders for Internet Explorer
HTML5 introduced the placeholder attribute on input elements, which allows to display a greyed-out default text.
17 Ans...
How to exclude a module from a Maven reactor build?
...pe the exclamation mark on the shell command line. It has a very special meaning, see e.g. unix.stackexchange.com/questions/3747/…
– Pavel
Apr 28 '15 at 9:30
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How to import and use different packages of the same name in Go language?
For example, I want to use both text/template and html/template in one source file.
But the code below throw errors.
2 Ans...
How to go to a specific file in Chrome Developer Tools?
I am developing a web application with a heavy front-end approach. By using Dojo and the AMD-way, I currently have testing screens which may easily load over a hundred different javascript files.
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How can I resize an image using Java?
I need to resize PNG, JPEG and GIF files. How can I do this using Java?
17 Answers
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SQL Server: Query fast, but slow from procedure
... @Ek0nomik Because the JOIN clauses inside the view have different meaning when ANSI_NULLS OFF. Suddenly rows match, causing the optimizer to run the query completely differently. Imagine that rather than eliminating 99.9% of all rows, they suddenly return.
– Ian Boyd
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Foreign Key naming scheme
...l? It tells you the two tables and the column name it's defined on. Ex: FK_Animals_OwnerID—Animals and Owners table, defined on OwnerID column
– David Sherret
Jun 6 '16 at 18:22
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