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@synthesize vs @dynamic, what are the differences?
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I was getting NSUnknownKeyException errors with my dynamic property when I removed the @synthesize line (Xcode 3.2 was giving me an error b/c I had no matching ivar for my @property). Adding @dynamic fixed the issue - compiles and runs fine no...
Converting a string to int in Groovy
...ntroduced in recent versions of groovy (initial answer is fairly old), but now you can use:
def num = mystring?.isInteger() ? mystring.toInteger() : null
or
def num = mystring?.isFloat() ? mystring.toFloat() : null
I recommend using floats or even doubles instead of integers in the case if the...
How to call a Parent Class's method from Child Class in Python?
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@TusharVazirani now I understand, thank you. I was thinking about calling from the current class's method (as was stated by the OP).
– Yaroslav Nikitenko
May 3 at 12:14
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Use of #pragma in C
... thread 3
Note that the order of output can vary on different machines.
now let me tell you what #pragma did...
it tells the OS to run the some block of code on 4 threads
this is just one of many many applications you can do with the little #pragma
sorry for the outside sample OpenMP
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MySQL - Get row number on select
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Do you by chance know why using @r := @r + 1 in a select statement works, but if it's in a stored procedure with declare r int; set r = 0;, it complains (on r := r +1)?
– Dan M.
Dec 17 '16 at 17:03
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Chrome can't load web worker
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Install local-web-server
$ npm install -g local-web-server
Now you can use it in any folder that you want to access the contents through http .
$ ws
Navigate to http://localhost:8000 (default port: 8000)
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How does !!~ (not not tilde/bang bang tilde) alter the result of a 'contains/included' Array method
...re performing a bitwise logical operation on an integer (which, for all I know, may be stored as two's complement or something like that...)
Two's complement explains how to represent a number in binary. I think I was right.
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Passing a dictionary to a function as keyword parameters
...: myfunc(**mydict)
100 200
A few extra details that might be helpful to know (questions I had after reading this and went and tested):
The function can have parameters that are not included in the dictionary
You can not override a parameter that is already in the dictionary
The dictionary can no...
Fastest way to implode an associative array with keys
...unction('&$i,$k','$i=" $k=\"$i\"";'));
$p_string = implode($p,"");
// Now use $p_string for your html tag
Obviously, you could stick that in your own function somehow but it gives you an idea of how you can join an associative array using your own method.
Hope that helps someone :)
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How to get a list of all files that changed between two Git commits?
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and if you want to know the files modified for a particular commit do: git diff --name-only <SHA> <SHA>^
– thebugfinder
Sep 10 '15 at 13:08
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