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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...
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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How to create NS_OPTIONS-style bitmask enumerations in Swift?
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Swift 3.0
Almost identical to Swift 2.0. OptionSetType was renamed to OptionSet and enums are written lower case by convention.
struct MyOptions : OptionSet {
let rawValue: Int
static let firstOption = MyOptions(rawValue: 1 << 0)
static let secondOpti...
How to get ID of the last updated row in MySQL?
...
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...
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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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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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);
...
Set port for php artisan.php serve
How do we set a custom port for test server?
9 Answers
9
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lose vim colorscheme in tmux mode
I'm running iterm2 and when I'm in tmux mode the colorscheme I have set in vim does not show up. Only the color scheme I've set in iterm. If I run vim from shell the colorscheme appears correct - its only when I'm in tmux mode.
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