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browser sessionStorage. share between tabs?
...sionStorage', JSON.stringify(sessionStorage));
// the other tab should now have it, so we're done with it.
localStorage.removeItem('sessionStorage'); // <- could do short timeout as well.
} else if (event.key == 'sessionStorage' && !sessionStorage.length) {
// another tab se...
SqlAlchemy - Filtering by Relationship Attribute
...ives you filtering/sorting with "magical" strings as in Django, so you can now write something like
Patient.where(mother___phenoscore=10)
It's a lot shorter, especially for complex filters, say,
Comment.where(post___public=True, post___user___name__like='Bi%')
Hope you will enjoy this package
...
How to connect android emulator to the internet
...etwork connections, find your LAN card, right click it and choose disable. Now try your emulator. If you're like me, it suddenly ... works!
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How efficient is locking an unlocked mutex? What is the cost of a mutex?
... itself manages the scheduling and context switches, this makes sense. But now I have a rough imagination about what the mutex lock/unlock will do internally.
– Albert
Sep 6 '10 at 21:55
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Check whether a path is valid in Python without creating a file at the path's target
...e).
Syntactic correctness. Root filesystem. That's it.
Question #1: How Now Shall We Do Pathname Validity?
Validating pathnames in Python is surprisingly non-intuitive. I'm in firm agreement with Fake Name here: the official os.path package should provide an out-of-the-box solution for this. For...
Is there any Rails function to check if a partial exists?
...
I know this has been answered and is a million years old, but here's how i ended up fixing this for me...
Rails 4.2
First, i put this in my application_helper.rb
def render_if_exists(path_to_partial)
render path_to_part...
PHP Fatal error: Cannot redeclare class
Does anyone know what can cause this problem?
18 Answers
18
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Why does this loop produce “warning: iteration 3u invokes undefined behavior” and output more than 4
...sn't involve overflow. The use of strength reduction was okay -- I don't know what the multiplier in the processor would do with (4*100000000) that would be different with (100000000+100000000+100000000+100000000), and falling back on "it's undefined -- who knows" is reasonable. But replacing what...
Pass in an array of Deferreds to $.when()
....my_array).then( ___ );
In either case, since it's unlikely that you'll known in advance how many formal parameters the .then handler will require, that handler would need to process the arguments array in order to retrieve the result of each promise.
...
How to get the CPU Usage in C#?
...lue();
System.Threading.Thread.Sleep(1000);
// now matches task manager reading
dynamic secondValue = cpuCounter.NextValue();
return secondValue;
}
private void Timer1_Tick(Object sender, EventArgs e)
{
int cpuPercent = (int)getCPUC...