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Is it possible to get element from HashMap by its position?
How to retrieve an element from HashMap by its position, is it possible at all?
14 Answers
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GET URL parameter in PHP
...perglobal: a built-in variable that's populated by PHP and is available in all scopes (you can use it from inside a function without the global keyword).
Since the variable might not exist, you could (and should) ensure your code does not trigger notices with:
<?php
if (isset($_GET['link'])) {
...
What does “export” do in shell programming? [duplicate]
... '^variable='
$ # No environment variable called variable
$ variable=Hello # Create local (non-exported) variable with value
$ env | grep '^variable='
$ # Still no environment variable called variable
$ export variable ...
Django: Why do some model fields clash with each other?
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You have two foreign keys to User. Django automatically creates a reverse relation from User back to GameClaim, which is usually gameclaim_set. However, because you have two FKs, you would have two gameclaim_set attributes, which is obviously impossible. So you need to tell D...
Put buttons at bottom of screen with LinearLayout?
...d:gravity="center|bottom"
Notice that fill_parent does not mean "take up all available space". However, if you use layout_height="0dp" with layout_weight="1", then a view will take up all available space (Can't get proper layout with "fill_parent").
Here is some code I quickly wrote up that uses ...
Count immediate child div elements using jQuery
... how the question specifies he wants to count only the "div" elements, not all elements.
– Angel Blanco
Mar 5 '14 at 11:55
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How do you design object oriented projects? [closed]
.... If you're a Java developer, NetBeans 6.7 from Sun has a UML module that allows for diagramming as well as round-trip engineering and it's FREE. Eclipse (an open source Java IDE), also has a modeling framework, but I have no experience with it. You may also want to try out ArgoUML, an open sour...
Why and not taking font-family and font-size from body?
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All browsers have built-in default stylesheets. That's why, when you make a page without any styles defined at all, <h1> tags are large and bold, and <strong> makes text bold. Similarly, the font styles for <in...
Subscript and Superscript a String in Android
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It technically isn't supporting HTML, that is creating a Spanned, which TextViews do support. Essentially CharSequences with style information.
– Dandre Allison
Apr 20 '12 at 17:21
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How to implement one-to-one, one-to-many and many-to-many relationships while designing tables?
...ss_id, student_id # the junction table
Example queries:
-- Getting all students for a class:
SELECT s.student_id, last_name
FROM student_classes sc
INNER JOIN students s ON s.student_id = sc.student_id
WHERE sc.class_id = X
-- Getting all classes for a student:
SELEC...