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Fastest way to check if a file exist using standard C++/C++11/C?
...e 100,000 calls averaged over 5 runs,
Method exists_test0 (ifstream): **0.485s**
Method exists_test1 (FILE fopen): **0.302s**
Method exists_test2 (posix access()): **0.202s**
Method exists_test3 (posix stat()): **0.134s**
The stat() function provided the best performance on my system (Linux, comp...
Inline SVG in CSS
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Paul D. Waite
86.1k5151 gold badges184184 silver badges258258 bronze badges
answered May 26 '12 at 18:09
RaabRaab
3...
Explain the concept of a stack frame in a nutshell
...5
Thomas
4,20355 gold badges2525 silver badges5858 bronze badges
answered Apr 7 '12 at 19:16
Tony RTony R
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Validate that a string is a positive integer
...;
},
false
);
test("1", true);
test("1.23", false);
test("1234567890123", true);
test("1234567890123.1", false);
test("0123", false); // false because we don't handle leading 0s
test(" 123 ", false); // false because we don't handle whitespace
<label>
String:
<input ...
SQL “select where not in subquery” returns no results
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240
Update:
These articles in my blog describe the differences between the methods in more detail:...
How to encode a URL in Swift [duplicate]
...
Swift 4.2
var urlString = originalString.addingPercentEncoding(withAllowedCharacters: .urlQueryAllowed)
Swift 3.0
var address = "American Tourister, Abids Road, Bogulkunta, Hyderabad, Andhra Pradesh, India"
let escapedAddress =...
Is it feasible to do (serious) web development in Lisp? [closed]
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answered Feb 17 '09 at 12:41
David LichteblauDavid Lichteblau
3,54322 gold badges1919 silver badges1212 bronze badges
...
Odd behavior when Java converts int to byte?
Mindboggling. Why is the output -124 ?
11 Answers
11
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How do you test that a Python function throws an exception?
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724
Use TestCase.assertRaises (or TestCase.failUnlessRaises) from the unittest module, for example:
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Size-limited queue that holds last N elements in Java
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174
+50
Apache co...