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What is the difference between char s[] and char *s?
In C, one can use a string literal in a declaration like this:
13 Answers
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In Clojure how can I convert a String to a number?
...n 10px or px10
(defn parse-int [s]
(Integer. (re-find #"\d+" s )))
it will parse the first continuous digit only so
user=> (parse-int "10not123")
10
user=> (parse-int "abc10def11")
10
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How do I load an HTML page in a using JavaScript?
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edited Jan 21 '19 at 13:14
Neuron
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When should I use mmap for file access?
...accessing files. There's the standard system calls open() , read() , write() , and friends, but there's also the option of using mmap() to map the file into virtual memory.
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Checking for empty arrays: count vs empty
...nswered Feb 7 '10 at 6:21
prodigitalsonprodigitalson
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Why can't I use a list as a dict key in python?
I'm a bit confused about what can/can't be used as a key for a python dict.
11 Answers
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C++ new int[0] — will it allocate memory?
...eclarator is zero, the allocation function is called to allocate an array with no elements.
From 3.7.3.1/2
The effect of dereferencing a pointer returned as a request for zero size is undefined.
Also
Even if the size of the space requested [by new] is zero, the request can fail.
That m...
Dynamically changing font size of UILabel
...berOfLines = 1;
factLabel.minimumFontSize = 8;
factLabel.adjustsFontSizeToFitWidth = YES;
The above code will adjust your text's font size down to (for example) 8 trying to fit your text within the label.
numberOfLines = 1 is mandatory.
Multiple lines:
For numberOfLines > 1 there is a method...
What does a type followed by _t (underscore-t) represent?
This seems like a simple question, but I can't find it with the Stack Overflow search or Google. What does a type followed by a _t mean? Such as
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Android - SPAN_EXCLUSIVE_EXCLUSIVE spans cannot have a zero length
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I have run into the same error entries in LogCat. In my case it's caused by the 3rd party keyboard I am using. When I change it back to Android keyboard, the error entry does not show up any more.
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