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How to remove the first character of string in PHP?
...et($str[0])
will not work as you cannot unset part of a string:-
Fatal error: Cannot unset string offsets
join list of lists in python [duplicate]
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import itertools
a = [['a','b'], ['c']]
print(list(itertools.chain.from_iterable(a)))
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How to pass a user defined argument in scrapy spider
...able to access it outside the __init__ method. Python throws a not defined error. BTW, why have you omitted the super call? PS. I'm working with the CrawlSpider class
– Birla
Sep 24 '14 at 10:57
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Structure padding and packing
...It inserts the following "gaps" into your first structure:
struct mystruct_A {
char a;
char gap_0[3]; /* inserted by compiler: for alignment of b */
int b;
char c;
char gap_1[3]; /* -"-: for alignment of the whole struct in an array */
} x;
Packing, on the other hand prevents ...
Manifest merger failed : uses-sdk:minSdkVersion 14
...7:19.+'
After only changing the support-v4 version, I still received the error:
Manifest merger failed : uses-sdk:minSdkVersion 15 cannot be smaller than version L declared in library com.android.support:support-v4:21.0.0-rc1
It was a bit confusing because it looks like v4 is still the prob...
Simplest way to detect a mobile device in PHP
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answered Jan 30 '17 at 20:05
user3126867user3126867
42044 silver badges66 bronze badges
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Why is it string.join(list) instead of list.join(string)?
...ack_overflow'
Using something else than strings will raise the following error:
TypeError: sequence item 0: expected str instance, int found
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Couldn't register with the bootstrap Server
I just changed some code in my program and got this error:
21 Answers
21
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Super-simple example of C# observer/observable with delegates
... let the .Dispose method do the opposite of the code in the constructor
No error-checking performed, at least a null-check should be done in the constructor of the ObserverClass
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... Mac OS X, option -printf is not available on BSD find (you will get this error: find: -printf: unknown primary or operator). Fortunately you can Install GNU find through Homebrew (there should be an option to Fink and Macports as well):
brew install findutils
After install it the GNU find shoul...