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Is 1.0 a valid output from std::generate_canonical?
...ation with libc++ confirms this expectation.
template<class F>
void test(long long N, const F& get_a_float) {
int count = 0;
for (long long i = 0; i < N; ++i) {
float f = get_a_float();
if (f == 1.0f) {
++count;
}
}
printf("Expected %...
Java: splitting a comma-separated string but ignoring commas in quotes
...ot in original question though, it was mine requirement.
My solution and test below.
String tested = "foo,bar,c;qual=\"baz,blurb\",d;junk=\"quux,syzygy\",";
long start = System.nanoTime();
String[] tokens = tested.split(",(?=([^\"]*\"[^\"]*\")*[^\"]*$)");
long timeWithSplitting = System.nanoTime(...
Ternary operator (?:) in Bash
...
Note that the = operator tests for string equality, not numeric equality (i.e. [[ 05 = 5 ]] is false). If you want numeric comparison, use -eq instead.
– Gordon Davisson
Oct 17 '10 at 19:54
...
Swift native base class or NSObject
I tested out some isa swizzling with Swift, and found that it only works when NSObject is a super-class (directly or further up), or by using the '@objc' decoration. Otherwise it will follow a static- and vtable-dispatch style, like C++.
...
Is there a “goto” statement in bash?
...ho "This is not printed!"
foo:
x=${x:-10}
echo x is $x
results in:
$ ./test.sh
x is 100
$ ./test.sh foo
x is 10
$ ./test.sh mid
This is not printed!
x is 101
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What is the difference between i++ and ++i?
...Value = 0;
public static void Main()
{
Console.WriteLine("Test 1: ++x");
(++currentValue).TestMethod();
Console.WriteLine("\nTest 2: x++");
(currentValue++).TestMethod();
Console.WriteLine("\nTest 3: ++x");
(++currentValue).TestMethod();
...
How to retrieve a single file from a specific revision in Git?
...w $REV:$FILE
git show somebranch:from/the/root/myfile.txt
git show HEAD^^^:test/test.py
The command takes the usual style of revision, meaning you can use any of the following:
branch name (as suggested by ash)
HEAD + x number of ^ characters
The SHA1 hash of a given revision
The first few (maybe ...
Elegant Python function to convert CamelCase to snake_case?
...
This solution fails in these cases: _test_Method, __test__Method, _Test, getHTTPresponseCode, __CamelCase, and _Camel_Case.
– freegnu
May 16 '11 at 14:12
...
How to debug stream().map(…) with lambda expressions?
In our project we are migrating to java 8 and we are testing the new features of it.
6 Answers
...
Loading a properties file from Java package
... two cases relate to loading a properties file from an example class named TestLoadProperties.
Case 1: Loading the properties file using ClassLoader
InputStream inputStream = TestLoadProperties.class.getClassLoader()
.getResourceAsStream("A.config");
properties.load(input...