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Is there a cross-browser onload event when clicking the back button?
... This is because the browser assumes the page is uncacheable if it has a onunload handler (the page has already destroyed everything; why cache it?).
– Casey Chu
May 10 '10 at 7:13
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How do RVM and rbenv actually work?
...d. Every Bash command that rbenv runs will be written to your terminal.
Now, rbenv is just concerned with switching versions, but a thriving ecosystem of plugins will help you do everything from installing Ruby to setting up your environment, managing "gemsets" and even automating bundle exec.
I...
Significance of -pthread flag when compiling
...h -D_REENTRANT, and linked with -lpthread. On other platforms, this could differ. Use -pthread for most portability.
Using _REENTRANT, on GNU libc, changes the way some libc headers work. As a specific example, it makes errno call a function returning a thread-local location.
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AngularJS - convert dates in controller
...r conversion to string
http://docs.angularjs.org/api/ng.filter:date
But if you are using HTML5 type="date" then the ISO format yyyy-MM-dd MUST be used.
item.dateAsString = $filter('date')(item.date, "yyyy-MM-dd"); // for type="date" binding
<input type="date" ng-model="item.dateAsString" v...
Best approach to converting Boolean object to string in java
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I don't think there would be any significant performance difference between them, but I would prefer the 1st way.
If you have a Boolean reference, Boolean.toString(boolean) will throw NullPointerException if your reference is null. As the reference is unboxed t...
How to create standard Borderless buttons (like in the design guideline mentioned)?
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If you use HoloEverywhere it works for API level 7+. You must change ?android:attr/selectableItemBackground for ?attr/selectableItemBackground and ?android:attr/dividerVerticalfor ?attr/dividerVertical
–...
How do I find out which settings.xml file maven is using
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Very helpful. I was trying to specify "user settings" in MAVEN_OPTS, unfortunately this show that's not working.
– will
Nov 19 '18 at 23:13
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How to change the style of the title attribute inside an anchor tag?
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I know this is a really old reply, but this is the only one I've found that is really useful. I recommend using aria-label instad of alt or title as it costs nothing and it will help people with acessibility..
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How to print a number with commas as thousands separators in JavaScript
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max-height: 100% !important;
}
@t.j.crowder pointed out that now that JavaScript has lookbehind (support info), it can be solved in the regular expression itself:
function numberWithCommas(x) {
return x.toString().replace(/\B(?<!\.\d*)(?=(\d{3})+(?!\d))/g, ",");
}
functio...
Creating PHP class instance with a string
...str;
$object = new $class();
When using namespaces, supply the fully qualified name:
$class = '\Foo\Bar\MyClass';
$instance = new $class();
Other cool stuff you can do in php are:
Variable variables:
$personCount = 123;
$varname = 'personCount';
echo $$varname; // echo's 123
And variable fu...