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How to use WeakReference in Java and Android development?
...p is not a cache!
Tom is right that there have been complaints about poor Netbeans performance due to WeakHashMap caching.
I still think it would be a good learning experience to implement a cache with WeakHashMap and then compare it against your own hand-rolled cache implemented with SoftRefere...
How to change the CHARACTER SET (and COLLATION) throughout a database?
...ase is just ??????. Are there anything i should consider? My web app is a .NET MVC app.
– Tchaps
Jul 11 '15 at 16:16
S...
From inside of a Docker container, how do I connect to the localhost of the machine?
...en made. If all goes well, this should land in Docker 20.04
TLDR
Use --network="host" in your docker run command, then 127.0.0.1 in your docker container will point to your docker host.
Note: This mode only works on Docker for Linux, per the documentation.
Note on docker container networking...
Is XSLT worth it? [closed]
...ting language (and in this respect I find it indescribably superior to asp.net /spit).
XML is the de facto data format of web development today, be it config files, raw data or in memory reprsentation. XSLT and XPath give you an enormously powerful and very efficient way to transform that data into...
HTML 5 Favicon - Support?
...ons) there are several things to consider.
The first (of course) is Internet Explorer. IE does not support PNG favicons until version 11. So our first line is a conditional comment for favicons in IE 9 and below:
<!--[if IE]><link rel="shortcut icon" href="path/to/favicon.ico"><![...
How do you detect Credit card type based on number?
... }
return sel_brand;
}
Here you can play with it:
http://jsfiddle.net/upN3L/69/
For PHP use this function, this detects some sub VISA/MC cards too:
/**
* Obtain a brand constant from a PAN
*
* @param string $pan Credit card number
* @param bool $include_sub_types I...
Should I avoid the use of set(Preferred|Maximum|Minimum)Size methods in Java Swing?
...d unfortunately the links are broken due to migration of SwingLabs to java.net) technical reasons are for instance mentioned in the Rules (hehe) or in the link @bendicott found in his/her comment to my answer. Socially, posing tons of work onto your unfortunate fellow who has to maintain the code an...
How do I pass variables and data from PHP to JavaScript?
...Latency - AJAX creates an HTTP request, and HTTP requests are carried over network and have network latencies.
State - Data fetched via a separate HTTP request won't include any information from the HTTP request that fetched the HTML document. You may need this information (e.g., if the HTML documen...
When is an interface with a default method initialized?
...ctive step has been included in the implementation: http://hg.openjdk.java.net/jdk8/build/hotspot/rev/4735d2c84362
EDIT2: Coincidentally, I found this Document about default methods in hotspot which contains an interesting side note at the end:
3.7 Miscellaneous
Because interfaces now have bytecode...
Fastest hash for non-cryptographic uses?
...
CRC32 is pretty fast and there's a function for it: http://www.php.net/manual/en/function.crc32.php
But you should be aware that CRC32 will have more collisions than MD5 or even SHA-1 hashes, simply because of the reduced length (32 bits compared to 128 bits respectively 160 bits). But if y...