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How to free memory in Java?
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Java uses managed memory, so the only way you can allocate memory is by using the new operator, and the only way you can deallocate memory is by relying on the garbage collector.
This memory management whitepaper (PDF) may help explain what's going on.
You can also call Sy...
Is it possible to send an array with the Postman Chrome extension?
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with asp.net core 2.2, it receives all array elements with this solution
– ahong
Sep 3 '19 at 5:52
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How to access accelerometer/gyroscope data from Javascript?
...er registering your event listener (in this case, a JavaScript
function called handleOrientation()), your listener function
periodically gets called with updated orientation data.
The orientation event contains four values:
DeviceOrientationEvent.absolute
DeviceOrientationEvent.al...
How to fetch FetchType.LAZY associations with JPA and Hibernate in a Spring Controller
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You will have to make an explicit call on the lazy collection in order to initialize it (common practice is to call .size() for this purpose). In Hibernate there is a dedicated method for this (Hibernate.initialize()), but JPA has no equivalent of that. Of cou...
CharSequence VS String in Java?
... just use Strings and not worry. Android is merely trying to be helpful by allowing you to also specify other CharSequence objects, like StringBuffers.
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How to set entire application in portrait mode only?
...o be disabled while the application is running. How do I do it programmatically?
16 Answers
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How can I get the timezone name in JavaScript?
...ationalization API supports getting the user timezone, and is supported in all current browsers.
console.log(Intl.DateTimeFormat().resolvedOptions().timeZone)
Keep in mind that on some older browser versions that support the Internationalization API, the timeZone property is set to undef...
Reset select2 value and show placeholder
... placeholder: "Select a customer",
initSelection: function(element, callback) {
}
});
To reset the select2
$("#customers_select").select2("val", "");
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Design by contract using assertions or exceptions? [closed]
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Personally I prefer asserts for design by contract approaches. Exceptions are defensive and are doing the argument checking inside the function. Also, dbc preconditions don't say "I won't work if you use values out of the working r...
Where do you include the jQuery library from? Google JSAPI? CDN?
... across the world instead of my single server location: Closer servers usually means faster response times for the visitor.
Second: Many people choose to have JQuery hosted on Google, so when a visitor comes to my site they may already have the JQuery script in their local cache. Pre-cached conte...