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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...
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...
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...
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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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...
Correct way to use get_or_create?
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FYI created is a boolean. True if created, False if it is fetched
– Josh
Oct 4 '18 at 8:45
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