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How to initialize array to 0 in C?
...are automatically initialized to zero. If you have simply
char ZEROARRAY[1024];
at global scope it will be all zeros at runtime. But actually there is a shorthand syntax if you had a local array. If an array is partially initialized, elements that are not initialized receive the value 0 of the ap...
Speed comparison with Project Euler: C vs Python vs Erlang vs Haskell
...er execution times, I search for the first triangle number with more than 1000 divisors instead of 500 as stated in the original problem.
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How do I give text or an image a transparent background using CSS?
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30 Answers
30
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Why in Java 8 split sometimes removes empty strings at start of result array?
... in Java 7 and Java 8. The code is retrieved from grepcode, for version 7u40-b43 and 8-b132.
Java 7
public String[] split(CharSequence input, int limit) {
int index = 0;
boolean matchLimited = limit > 0;
ArrayList<String> matchList = new ArrayList<>();
Matcher m = ma...
Ruby: Merging variables in to a string
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answered Feb 16 '09 at 21:42
Mike WoodhouseMike Woodhouse
47.6k1212 gold badges8585 silver badges123123 bronze badges
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How to sort an array by a date property
... else if(sort_o1_after_o2) return 1;
else return 0;
});
Or more tersely:
array.sort(function(o1,o2){
return sort_o1_before_o2 ? -1 : sort_o1_after_o2 ? 1 : 0;
});
Generic, Powerful Answer
Define a custom non-enumerable sortBy function using a Schwartzian transform o...
Upload files with HTTPWebrequest (multipart/form-data)
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Took the code above and fixed because it throws Internal Server Error 500. There are some problems with \r\n badly positioned and spaces etc. Applied the refactoring with memory stream, writing directly to the request stream. Here is the result:
public static void HttpUploadFile(string url,...
Push git commits & tags simultaneously
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Update August 2020
As mentioned originally in this answer by SoBeRich, and in my own answer, as of git 2.4.x
git push --atomic origin <branch name> <tag>
(Note: this actually work with HTTPS only with Git 2.24)
Update May 2015
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JavaScript get window X/Y position for scroll
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The method jQuery (v1.10) uses to find this is:
var doc = document.documentElement;
var left = (window.pageXOffset || doc.scrollLeft) - (doc.clientLeft || 0);
var top = (window.pageYOffset || doc.scrollTop) - (doc.clientTop || 0);
That is:
It...
Why doesn't c++ have &&= or ||= for booleans?
... is then equivalent to static_cast<int>(b) & 2, which results in 0, which is then converted back into a bool. So it’s true that the existence of an operator &&= would improve type safety.
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