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Are class names in CSS selectors case sensitive?
... are not. I specifically left tag names out of my answer for this reason. (By the way, tag names are only case sensitive in true XHTML, regardless of the doctype - if jsFiddle could let you force the page to be served as application/xhtml+xml, the DIV selector would no longer match.)
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How to change ProgressBar's progress indicator color in Android
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Please help me. I try to create greenprogress.xml by copy your code but the Android Studio 0.4.6 mark <layer-list> as and error "Element-list must be declared" what should I do?
– UmAnusorn
Feb 25 '14 at 9:22
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Is there a way to access the “previous row” value in a SELECT statement?
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SQL has no built in notion of order, so you need to order by some column for this to be meaningful. Something like this:
select t1.value - t2.value from table t1, table t2
where t1.primaryKey = t2.primaryKey - 1
If you know how to order things but not how to get the previous val...
how to add records to has_many :through association in rails
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Another way to add associations is by using the foreign key columns:
agent = Agent.new(...)
agent.house = House.find(...)
agent.customer = Customer.find(...)
agent.save
Or use the exact column names, passing the ID of the associated record instead of the re...
How do you join on the same table, twice, in mysql?
... DOM_URL fields from both LEFT JOINS of the DOMAIN table, referencing them by the table alias for each joined in reference to the Domains table, and alias them as the ToURL and FromUrl.
For more info about aliasing in SQL, read here.
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Foreign key constraints: When to use ON UPDATE and ON DELETE
...riggers.html
MySQL triggers activate only for changes made to tables by SQL statements. They do not activate for changes in views, nor by changes to tables made by APIs that do not transmit SQL statements to the MySQL Server
http://dev.mysql.com/doc/refman/5.6/en/stored-program-restrictions...
How did Google manage to do this? Slide ActionBar in Android application
... new MenuItem();
viewHolder.label = (TextView) rowView.findViewById(R.id.menu_label);
viewHolder.icon = (ImageView) rowView.findViewById(R.id.menu_icon);
rowView.setTag(viewHolder);
}
MenuItem holder = (MenuItem) rowView.getTag();
String s...
Remove Primary Key in MySQL
... the table to obtain the maximum column value. Typically, this is achieved by making the column the first column of some table index.
– Quassnoi
Sep 23 '13 at 20:17
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How to make layout with View fill the remaining space?
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Answer from woodshy worked for me, and it is simpler than the answer by Ungureanu Liviu since it does not use RelativeLayout.
I am giving my layout for clarity:
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:orientation="hor...
How do PHP sessions work? (not “how are they used?”)
...to the user when his session is created.
it is stored in a cookie (called, by default, PHPSESSID)
that cookie is sent by the browser to the server with each request
the server (PHP) uses that cookie, containing the session_id, to know which file corresponds to that user.
The data in the sessions f...