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querySelector and querySelectorAll vs getElementsByClassName and getElementById in JavaScript
...ttps://jsperf.com/getelementsbyclassname-vs-queryselectorall/18
It runs a test on the 2 x examples above, plus it chucks in a test for jQuery's equivalent selector as well. my test results were as follows:
getElementsByClassName = 1,138,018 operations / sec - <<< clear winner
querySelecto...
Does Python have a ternary conditional operator?
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You can index into a tuple:
(falseValue, trueValue)[test]
test needs to return True or False.
It might be safer to always implement it as:
(falseValue, trueValue)[test == True]
or you can use the built-in bool() to assure a Boolean value:
(falseValue, trueValue)[bool(<...
How to remove the hash from window.location (URL) with JavaScript without page refresh?
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This will remove the trailing hash as well.
eg: http://test.com/123#abc -> http://test.com/123
if(window.history.pushState) {
window.history.pushState('', '/', window.location.pathname)
} else {
window.location.hash = '';
}
...
What is the relative performance difference of if/else versus switch statement in Java?
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Use switch!
I hate to maintain if-else-blocks! Have a test:
public class SpeedTestSwitch
{
private static void do1(int loop)
{
int temp = 0;
for (; loop > 0; --loop)
{
int r = (int) (Math.random() * 10);
switch (r)
...
Why does C# not provide the C++ style 'friend' keyword? [closed]
...rest of the application. I use the "friend" assembly tricks to create unit test assemblies for these objects.
– Quibblesome
Oct 23 '09 at 13:11
26
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Building with Lombok's @Slf4j and Intellij: Cannot find symbol log
...ithout going through the plugin? I'm trying to use IntelliJ for debugging tests and this is making it difficult for me to use it for that
– user1991839
Feb 14 '13 at 6:42
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Truncating long strings with CSS: feasible yet?
...from 6 to 11 already support the text-overflow CSS property.
Successfully tested (on Browserstack.com) on Windows OS, for web browsers:
IE6 to IE11
Opera 10.6, Opera 11.1, Opera 15.0, Opera 20.0
Chrome 14, Chrome 20, Chrome 25
Safari 4.0, Safari 5.0, Safari 5.1
Firefox 7.0, Firefox 15
Firefox: ...
How to set input type date's default value to today?
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For JavaScript: myDate.toLocaleDateString('en-CA') does the trick
– Ulysse BN
Jan 21 '18 at 13:29
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Python list iterator behavior and next(iterator)
...:
print(i)
next(a)
>>>
0
2
4
6
8
Works like expected.
Tested in Python 2.7 and in Python 3+ . Works properly in both
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The imported project “C:\Microsoft.CSharp.targets” was not found
...nstalls the packages: "mono-msbuild" and "mono-msbuild-sdkresolver". NOTE: Tested on Linux Manjaro.
– Eduardo Lucio
Jun 8 at 21:36
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