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PEP 8, why no spaces around '=' in keyword argument or a default parameter value?
...gn a variable to a keyword argument named exactly the same, so it improves readability to see them without spaces. It is easier to recognize that we are using keyword arguments and not assigning a variable to itself.
Also, parameters tend to go in the same line whereas assignments usually are each o...
Row count with PDO
... this would mean doing an extra database query. I assume he has already done a select query and now wants to know how many rows were returned.
– nickf
May 19 '09 at 15:17
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How do I make JavaScript beep?
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The Audio is read once but not set at the beginning, use snd.currentTime = 0; to set the audio file to the beginning before calling play. Then, you can play the sound with the same instance.
– AxelH
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Differences between Intent and PendingIntent
I read through some articles and both seem to do the same thing and I was wondering what is the difference between starting the service like that:
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Hidden features of mod_rewrite
There seem to be a decent number of mod_rewrite threads floating around lately with a bit of confusion over how certain aspects of it work. As a result I've compiled a few notes on common functionality, and perhaps a few annoying nuances.
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AngularJS : When to use service instead of factory
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Re First: I read that everywhere but I don't understand the practical implications of it. I guess from your answer there is no practical difference "for the most part"? Thanks for the book ref though!
– user1941747
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Convert SVG image to PNG with PHP
... , 'id="'.$state.'" style="fill:#'.$color
, $svg
);
}
$im->readImageBlob($svg);
/*png settings*/
$im->setImageFormat("png24");
$im->resizeImage(720, 445, imagick::FILTER_LANCZOS, 1); /*Optional, if you need to resize*/
/*jpeg*/
$im->setImageFormat("jpeg");
$im->adaptiv...
Exploring Docker container's file system
...exec that behave similar to nsenter. This command can run new process in already running container (container must have PID 1 process running already). You can run /bin/bash to explore container state:
docker exec -t -i mycontainer /bin/bash
see Docker command line documentation
Alternate method...
NSOperation vs Grand Central Dispatch
I'm learning about concurrent programming for iOS. So far I've read about NSOperation/NSOperationQueue and GCD . What are the reasons for using NSOperationQueue over GCD and vice versa?
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What's the difference between streams and datagrams in network programming?
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A long time ago I read a great analogy for explaining the difference between the two. I don't remember where I read it so unfortunately I can't credit the author for the idea, but I've also added a lot of my own knowledge to the core analogy ...