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How to upload files to server using JSP/Servlet?
...ation/x-www-form-urlencoded. The request.getParameter() and consorts would all return null when using multipart form data. This is where the well known Apache Commons FileUpload came into the picture.
Don't manually parse it!
You can in theory parse the request body yourself based on ServletReques...
Force update of an Android app when a new version is available
...n forceUpgrade
boolean recommendUpgrade
When your app starts, you could call this API that pass in the current app version, and check the response of the versioning API call.
If forceUpgrade is true, show a popup dialog with options to either let user quit the app, or go to Google Play Store to ...
Is JavaScript an untyped language?
I've found that some people call JavaScript a "dynamically, weakly typed" language, but some even say "untyped"? Which is it really?
...
How do browser cookie domains work?
...e's domain attribute is set,
the cookie is applicable to that domain and all its subdomains;
the cookie's domain must be the same as, or a parent of, the origin domain
the cookie's domain must not be a TLD, a public suffix, or a parent of a public suffix.
It can be derived that a cookie is alwa...
Prevent scrolling of parent element when inner element scroll position reaches top/bottom? [duplicat
...nkey I'm aware of this issue. I hope to have time to revise the answer for all browsers and device.
– amustill
Jan 23 '13 at 10:34
2
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Difference between core and processor
...
A core is usually the basic computation unit of the CPU - it can run a single program context (or multiple ones if it supports hardware threads such as hyperthreading on Intel CPUs), maintaining the correct program state, registers, and c...
How to link Docker services across hosts?
Docker allows servers from multiple containers to connect to each other via links and service discovery . However, from what I can see this service discovery is host-local. I would like to implement a service that uses other services hosted on a different machine.
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How do I overload the square-bracket operator in C#?
... Overloadability
+, -, *, /, %, &, |, <<, >> All C# binary operators can be overloaded.
+, -, !, ~, ++, --, true, false All C# unary operators can be overloaded.
==, !=, <, >, <= , >= All relational operators can be overloaded,
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How to remove a package from Laravel using composer?
...following command will remove the package from vendor (or wherever you install packages), composer.json and composer.lock. Change vendor/package appropriately.
composer remove vendor/package
Obviously you'll need to remove references to that package within your app.
I'm currently running the ...
What is hashCode used for? Is it unique?
...r is based on the
System.Collections.IEqualityComparer interface.
Basically, hash codes exist to make hashtables possible.
Two equal objects are guaranteed to have equal hashcodes.
Two unequal objects are not guaranteed to have unequal hashcodes (that's called a collision).
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