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Is there a built-in method to compare collections?
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MS' TestTools and NUnit provide CollectionAssert.AreEquivalent
– tymtam
Jan 24 '13 at 0:55
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Is it faster to count down than it is to count up?
... range of the numbers you're using: with the incrementing loop you have to test i<N each time round the loop. For the decrementing version, the carry flag (set as a side effect of the subtraction) may automatically tell you if i>=0. That saves a test per time round the loop.
In reality, on mo...
Best practices for copying files with Maven
... <configuration>
<sourceFile>src/someDirectory/test.environment.properties</sourceFile>
<destinationFile>target/someDir/environment.properties</destinationFile>
</configuration>
</execution>
</ex...
Python - Passing a function into another function
... in your program so you can just pass them to other functions easily:
def test ():
print "test was invoked"
def invoker(func):
func()
invoker(test) # prints test was invoked
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impro...
LINQ: Not Any vs All Don't
...in fairness, I think they've a bit of a point in that I often find if(!someTest) confusing* when there's an alternative test of equal verbosity and complexity that would return true for the condition we want to act upon. Yet really, I personally find nothing to favour one over the other of the two a...
How do I check if the mouse is over an element in jQuery?
...You can also use this answer : https://stackoverflow.com/a/6035278/8843 to test if the mouse is hover an element :
$('#test').click(function() {
if ($('#hello').is(':hover')) {
alert('hello');
}
});
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sqlite database default time value 'now'
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i believe you can use
CREATE TABLE test (
id INTEGER PRIMARY KEY AUTOINCREMENT,
t TIMESTAMP
DEFAULT CURRENT_TIMESTAMP
);
as of version 3.1 (source)
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Is it safe to check floating point values for equality to 0?
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For your simple sample, that test is okay. But what about this:
bool b = ( 10.0 * .1 - 1.0 == 0.0 );
Remember that .1 is a repeating decimal in binary and can't be represented exactly. Then compare that to this code:
double d1 = 10.0 * .1; // make ...
Using try vs if in python
...e a rationale to decide which one of try or if constructs to use, when testing variable to have a value?
9 Answers
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How to enumerate an enum with String type?
... @DmitryPetukhov I'd be happy to help, but: (1) are you sure you got the latest version of the code? (some crash was fixed a month ago) and (2) please give an MCVE of your custom type that can reproduce a crash, and your version of Xcode.
– Cœur
Jul 20 '18 at ...