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What does '
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It's a shorthand for this:
<?php echo $a; ?>
They're called short tags; see example #2 in the documentation.
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How can I check if character in a string is a letter? (Python)
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str.isalpha()
Return true if all characters in the string are alphabetic and there is at least one character, false otherwise. Alphabetic characters are those characters defined in the Unicode character database as “Letter”, i.e., those with general ...
get dictionary key by value
... value happens to be at the end of the dictionary, it will have to go over all the other values to find it. If you have a number of entries, this will slow your program down.
– Zach Johnson
Mar 14 '10 at 22:41
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python assert with and without parenthesis
...through IDLE. Because assert is a keyword and not a function, you are actually passing in a tuple as the first argument and leaving off the second argument.
Recall that non-empty tuples evaluate to True, and since the assertion message is optional, you've essentially called assert True when you wr...
Git SSH error: “Connect to host: Bad file number”
...locking it.
You can solve this by performing an SSH to port 443 (your firewall / isp will not block this).
It is also important that you need to ssh to "ssh.github.com" instead of github.com.
Otherwise, you will report to the webserver instead of the ssh server.
Below are all the steps needed to so...
Does using “new” on a struct allocate it on the heap or stack?
...hen you create an instance of a class with the new operator, memory gets allocated on the heap. When you create an instance of a struct with the new operator where does the memory get allocated, on the heap or on the stack ?
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jquery get all form elements: input, textarea & select
Is there an easy way (without listing them all separately) in jquery to select all form elements and only form elements.
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Appending a vector to a vector [duplicate]
...end(a), std::begin(b), std::end(b));
The second variant is a more generically applicable solution, as b could also be an array. However, it requires C++11. If you want to work with user-defined types, use ADL:
using std::begin, std::end;
a.insert(end(a), begin(b), end(b));
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Django Rest Framework: Dynamically return subset of fields
...verride the serializer __init__ method and set the fields attribute dynamically, based on the query params. You can access the request object throughout the context, passed to the serializer.
Here is a copy&paste from Django Rest Framework documentation example on the matter:
from rest_framew...
URLEncoder not able to translate space character
... @congliu that's incorrect - you're probably thinking of replaceAll() which works with regex - replace() is simple character sequence replacement.
– CupawnTae
Sep 25 '13 at 13:57
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