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How to get a Fragment to remove itself, i.e. its equivalent of finish()?
... so multiple activities can all respond to the "we got the OK click" event from Df.
– CommonsWare
May 5 '11 at 17:18
1
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Why do I need 'b' to encode a string with Base64?
...s change of radix on the entire number, or (if the radix you're converting from is a power of 2 less than 64) in chunks from right to left.
In base64 encoding, the translation is done from left to right; those first 64 characters are why it is called base64 encoding. The 65th '=' symbol is used for...
Best Practices for securing a REST API / web service [closed]
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Quoting from wikipedia on Digest authentication, "Digest access authentication is one of the agreed-upon methods a web server can use to negotiate credentials with a user's web browser. It applies a hash function to a password before...
What does “Memory allocated at compile time” really mean?
...al addresses. The program assumes that it has its own entire memory space (From 0x00000000 to 0xFFFFFFFF for example). That's why the compiler could do assumptions like "Okay, the array will be at address 0x00A33211". At runtime that addresses are translated to real/hardware addresses by the MMU and...
How can I pass a parameter to a Java Thread?
...imilar to your anonymous class example, except I access parameter directly from the run() method without using a field like p at all. It seems to work. Is there some subtle multithreading thing I am missing by not copying parameter to p beforehand?
– Randall Cook
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How to create a zip file in Java
I have a dynamic text file that picks content from a database according to the user's query. I have to write this content into a text file and zip it in a folder in a servlet. How should I do this?
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What is “runtime”?
...rces but itself should not be considered authoritative and as such quoting from it is not reliable. (As per the statements by Mr Wales the creator of Wikipedia).
– Martin York
Oct 10 '10 at 18:03
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Where can I download Spring Framework jars without using Maven?
...s list of mirrors current
I found this maven repo where you could download from directly a zip file containing all the jars you need.
http://maven.springframework.org/release/org/springframework/spring/
http://repo.spring.io/release/org/springframework/spring/
Alternate solution: Maven
The solutio...
An algorithm for inflating/deflating (offsetting, buffering) polygons
... your polygon you can end up with different connectivity for the output.
From computation point of view: once you have the straight skeleton one should be able to construct the offset polygons relatively easily. The open source and (free for non-commercial) CGAL library has a package implementing ...
java.sql.SQLException: Incorrect string value: '\xF0\x9F\x91\xBD\xF0\x9F…'
...orry about converting characters or
losing data when upgrading utf8 data from older versions of MySQL.
So to support these characters, your MySQL needs to be 5.5+ and you need to use utf8mb4 everywhere. Connection encoding needs to be utf8mb4, character set needs to be utf8mb4 and collaction nee...