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Checking if form has been submitted - PHP
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Ideally now you should use if (null !== (filter_input(INPUT_POST, 'macaddress'))){ which gets you in the habit of using filter_input
– depicus
Feb 20 '15 at 9:46
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How do I parse an ISO 8601-formatted date?
... only) in ambiguous cases. So ONLY use it if you need to parse input of unknown format and are okay to tolerate occasional misreads.
– ivan_pozdeev
Apr 23 '15 at 23:34
2
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How do I avoid capturing self in blocks when implementing an API?
...here; the delegate may retain our object but that's out of our hands right now). This code won't risk a leak in the same way, because the value of the delegate property is captured when the block is created, instead of looked up when it executes. A side effect is that, if you change the delegate aft...
Is the practice of returning a C++ reference variable evil?
...nt() {
int* i = new int;
return *i; // DON'T DO THIS.
}
Because now the client has to eventually do the strange:
int& myInt = getInt(); // note the &, we cannot lose this reference!
delete &myInt; // must delete...totally weird and evil
int oops = getInt();
delete ...
Finding three elements in an array whose sum is closest to a given number
...A 2 , ..., A n , including negatives and positives, and another integer S. Now we need to find three different integers in the array, whose sum is closest to the given integer S. If there exists more than one solution, any of them is ok.
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Using logging in multiple modules
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And in your main module :
#main
import logging
# load my module - this now configures the logger
import my_module
# This will now disable the logger in my module by default, [see the docs][1]
logging.config.fileConfig('logging.ini')
my_module.foo()
bar = my_module.Bar()
bar.bar()
Now the lo...
Unicode characters in URLs
... You can use the unencoded UTF-8 URLs, namely IRIs, in HTML5 documents by now. If you do that, all major browsers will understand it and display it correctly in their address bar.
– Oliver
Oct 23 '13 at 12:54
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Why functional languages? [closed]
...mputer programming, I think we still have much to learn. Twenty years from now, programmers will look back in amazement at the primitive nature of the tools we're currently using, including the now-popular OO and FP languages.
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What is the “__v” field in Mongoose
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@talentedmrjones @wprl That is exactly what I'm doing now, but I wanted something that I could put in the Schema directly so in all queries.
– diosney
Mar 24 '14 at 11:52
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How does functools partial do what it does?
...port partial
p_euclid_dist = partial(euclid_dist, target)
p_euclid_dist now accepts a single argument,
>>> p_euclid_dist((3, 3))
1.4142135623730951
so now you can sort your data by passing in the partial function for the sort method's key argument:
data.sort(key=p_euclid_dist)
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