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I do not want to inherit the child opacity from the parent in CSS
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Instead of using opacity, set a background-color with rgba, where 'a' is the level of transparency.
So instead of:
background-color: rgb(0,0,255); opacity: 0.5;
use
background-color: rgba(0,0,255,0.5);
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Pythonic way to combine FOR loop and IF statement
...ility counts.
The Pythonic way of getting the sorted intersection of two sets is:
>>> sorted(set(a).intersection(xyz))
[0, 4, 6, 7, 9]
Or those elements that are xyz but not in a:
>>> sorted(set(xyz).difference(a))
[12, 242]
But for a more complicated loop you may want to f...
setting multiple column using one update
How to set multiple columns of a table using update query in mysql?
2 Answers
2
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Is there a timeout for idle PostgreSQL connections?
... them. We are trying to fix our connection leak. But meanwhile, we want to set a timeout for these idle connections, maybe max to 5 minute.
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Set default CRAN mirror permanent in R
How can I set a specific CRAN mirror permanently in R?
1 Answer
1
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iOS - How to set a UISwitch programmatically
I want to set my UISwitch to on or off programmatically. How would I do that? I am an iOS newbie.
5 Answers
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How to get ID of the last updated row in MySQL?
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I've found an answer to this problem :)
SET @update_id := 0;
UPDATE some_table SET column_name = 'value', id = (SELECT @update_id := id)
WHERE some_other_column = 'blah' LIMIT 1;
SELECT @update_id;
EDIT by aefxx
This technique can be further expanded to retriev...
In OS X Lion, LANG is not set to UTF-8, how to fix it?
I try to setup postgress in OS X Lion, and find that is not correctly setup the LOCALE environment var.
5 Answers
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How to add Action Bar from support library into PreferenceActivity?
...ompatDelegate;
import android.support.v7.widget.Toolbar;
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public class SettingsActivity extends PreferenceActivity {
private AppCompatDelegate mDelegate;
@Override
protected void onCreate(Bundle savedInstanceState) {
getDelegate().installViewFactory();
getDelegate()...
How can I disable editing cells in a WPF Datagrid?
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The WPF DataGrid has an IsReadOnly property that you can set to True to ensure that users cannot edit your DataGrid's cells.
You can also set this value for individual columns in your DataGrid as needed.
s...