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Can an Android NFC phone act as an NFC tag?

... NFC phone will act as an NFC reader which will read data from an NFC tag. Now my question is, can we switch this around? Can we make an Android NFC phone behave as the tag which an NFC reader will get data from? ...
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Subtract days from a date in JavaScript

Does anybody know of an easy way of taking a date (e.g. Today) and going back X days? 32 Answers ...
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How can I implement an Access Control List in my Web MVC application?

...// you can execute all the methods you had in previous controller // only now they will be checked against ACL $controller->actionIndex(); As you might notice, this solution has several advantages: containment can be used on any object, not just instances of Controller check for authorizatio...
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Linux - Install redis-cli only

... now it isn't working http://security.ubuntu.com/ubuntu bionic-updates/universe amd64 redis-tools amd64 5:4.0.9-1ubuntu0.1 returns 404 Not Found – Andrew Sneck Nov 25 '19 at 9:28 ...
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How can I get the MAC and the IP address of a connected client in PHP?

I need to know the MAC and the IP address of the connect clients, how can I do this in PHP? 16 Answers ...
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Get model's fields in Django

... Thank you Will. Good to know that other people are using _meta as well. I like the idea of having a wrapper function. Lazerscience, thank you also. Good to know there is a nice method to get the many_to_many fields. Joe – Joe...
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What is a WeakHashMap and when to use it? [duplicate]

... Above link by Ivaylo is dead now – Phil Hamer Aug 23 '16 at 20:14  |  show 3 more comments ...
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How to analyze a java thread dump?

... some code that is locked, a genuine contention has occurred. The JVM must now create (or inflate) the monitor object to hold the second thread and arrange for a signaling mechanism to coordinate access to the code section. This monitor is now called an inflated monitor. Here is a more in-depth exp...
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Stack smashing detected

...(in this case gcc) adds protection variables (called canaries) which have known values. An input string of size greater than 10 causes corruption of this variable resulting in SIGABRT to terminate the program. To get some insight, you can try disabling this protection of gcc using option -fno-sta...
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Is there still any reason to learn AWK?

...s on the environment you find yourself in. If you are a *nix person, then knowing awk is a Good Thing. The only other scripting environment that can be found on virtually every *nix is sh. So while grep, sed, etc can surely replace awk on a modern mainstream linux distro, when you move to more exoti...